{"id":10592,"date":"2025-09-03T06:22:45","date_gmt":"2025-09-03T06:22:45","guid":{"rendered":"https:\/\/www.retopz.com\/?p=10592"},"modified":"2025-09-03T06:42:35","modified_gmt":"2025-09-03T06:42:35","slug":"how-to-identify-counterfeit-carbide-balls-weight-density-calculations","status":"publish","type":"post","link":"https:\/\/www.retopz.com\/ja\/how-to-identify-counterfeit-carbide-balls-weight-density-calculations\/","title":{"rendered":"\u507d\u9020\u8d85\u786c\u30dc\u30fc\u30eb\u306e\u898b\u5206\u3051\u65b9\uff1a\u91cd\u91cf\u3068\u5bc6\u5ea6\u306e\u8a08\u7b97"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"10592\" class=\"elementor elementor-10592\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9dc015b e-flex e-con-boxed e-con e-parent\" data-id=\"9dc015b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0c1b6b1 elementor-widget elementor-widget-text-editor\" data-id=\"0c1b6b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">\u30d9\u30a2\u30ea\u30f3\u30b0\u304b\u3089\u30d0\u30eb\u30d6\u3001\u5207\u524a\u5a92\u4f53\u306b\u81f3\u308b\u307e\u3067\u3001\u4e16\u754c\u306e\u7523\u696d\u306b\u304a\u3044\u3066\u3001,<a href=\"https:\/\/www.retopz.com\/ja\/carbide-balls\/\" target=\"_blank\" rel=\"noopener\"> \u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u30ab\u30fc\u30d0\u30a4\u30c9\u30dc\u30fc\u30eb<\/a> \u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3059\u3002.<\/p><p class=\"p1\">\u5f7c\u3089\u306e\u9ad8\u3044 <a href=\"https:\/\/www.retopz.com\/ja\/hardness-in-the-tungsten-carbide-industry-a-comprehensive-definition\/\" target=\"_blank\" rel=\"noopener\">\u786c\u5ea6<\/a>, <a href=\"https:\/\/www.retopz.com\/ja\/wear-resistance-in-the-tungsten-carbide-industry-an-explanatory-overview\/\" target=\"_blank\" rel=\"noopener\">\u8010\u6469\u8017\u6027<\/a>\u3001 \u305d\u3057\u3066 <a href=\"https:\/\/www.retopz.com\/ja\/density-in-the-tungsten-carbide-industry-an-explanatory-overview\/\" target=\"_blank\" rel=\"noopener\">\u5bc6\u5ea6<\/a>, \u305d\u306e\u305f\u3081\u3001\u92fc\u7403\u3084\u30bb\u30e9\u30df\u30c3\u30af\u7403\u3088\u308a\u3082\u597d\u307e\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u3057\u304b\u3057\u3001\u8d85\u786c\u30dc\u30fc\u30eb\u306e\u4eba\u6c17\u304c\u9ad8\u307e\u308b\u306b\u3064\u308c\u3001\u507d\u9020\u54c1\u304c\u51fa\u56de\u308b\u3068\u3044\u3046\u554f\u984c\u3082\u751f\u3058\u3066\u3044\u308b\u3002.<\/p><p class=\"p1\">\u507d\u7269\u306e\u8d85\u786c\u5408\u91d1\u30dc\u30fc\u30eb\u306f\u672c\u7269\u3068\u898b\u305f\u76ee\u304c\u4f3c\u3066\u3044\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u304c\u3001\u5fc5\u8981\u306a\u786c\u5ea6\u3001\u5bc6\u5ea6\u3001\u8010\u4e45\u6027\u304c\u6b20\u3051\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u3002.<\/p><p class=\"p1\">\u507d\u9020\u90e8\u54c1\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u6a5f\u5668\u306e\u6545\u969c\u3001\u7a3c\u50cd\u505c\u6b62\u6642\u9593\u306e\u5897\u52a0\u3001\u9ad8\u984d\u306a\u640d\u5931\u306a\u3069\u3001\u6df1\u523b\u306a\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u610f\u601d\u6c7a\u5b9a\u8005\u306b\u3068\u3063\u3066\u3001\u507d\u9020\u8d85\u786c\u30dc\u30fc\u30eb\u3092\u65e9\u671f\u306b\u767a\u898b\u3067\u304d\u308b\u80fd\u529b\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002.<\/p><p class=\"p1\">\u771f\u8d0b\u3092\u78ba\u8a8d\u3059\u308b\u6700\u3082\u78ba\u5b9f\u306a\u65b9\u6cd5\u306e\u4e00\u3064\u306f\u3001\u91cd\u91cf\u3068\u5bc6\u5ea6\u306e\u8a08\u7b97\u7d50\u679c\u3092\u8abf\u3079\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u305d\u306e\u65b9\u6cd5\u3068\u305d\u306e\u4ed6\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1c174ce e-flex e-con-boxed e-con e-parent\" data-id=\"1c174ce\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d2171f5 elementor-widget elementor-widget-text-editor\" data-id=\"d2171f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>\u507d\u9020\u8d85\u786c\u30dc\u30fc\u30eb\u304c\u554f\u984c\u3068\u306a\u308b\u7406\u7531<\/b><\/h2><p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-10565 size-full\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-1.jpg\" alt=\"\" width=\"660\" height=\"440\" srcset=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-1.jpg 660w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-1-300x200.jpg 300w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-1-18x12.jpg 18w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p><p class=\"p3\">\u507d\u9020\u30dc\u30fc\u30eb\u306f\u901a\u5e38\u3001\u5b89\u4fa1\u306a\u5408\u91d1\u3084\u6df7\u5408\u7d20\u6750\u3067\u4f5c\u3089\u308c\u3066\u3044\u307e\u3059\u3002.<\/p><p class=\"p3\">\u3053\u308c\u3089\u306e\u6a21\u5023\u54c1\u306f\u3001\u7c21\u5358\u306a\u76ee\u8996\u691c\u67fb\u3067\u306f\u5408\u683c\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u8ca0\u8377\u304c\u304b\u304b\u308b\u3068\u6b20\u9665\u304c\u751f\u3058\u307e\u3059\u3002\u30ea\u30b9\u30af\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p><ul class=\"ul1\"><li class=\"li3\"><p>\u9ad8\u8ca0\u8377\u74b0\u5883\u4e0b\u3067\u306e\u65e9\u671f\u6469\u8017\u304a\u3088\u3073\u7834\u640d\u3002.<\/p><\/li><li class=\"li3\"><p>\u516c\u5dee\u306e\u4e0d\u6b63\u78ba\u3055\u306b\u3088\u308a\u3001\u30d0\u30eb\u30d6\u3084\u30dd\u30f3\u30d7\u306e\u632f\u52d5\u3084\u6f0f\u308c\u304c\u767a\u751f\u3059\u308b\u3002.<\/p><\/li><li class=\"li3\"><p>\u30d5\u30e9\u30a4\u30b9\u52a0\u5de5\u306b\u304a\u3051\u308b\u7814\u524a\u52b9\u7387\u306e\u4f4e\u4e0b\u3002.<\/p><\/li><li class=\"li3\"><p>\u5b89\u5168\u4e0a\u306e\u5371\u967a\u3068\u9ad8\u984d\u306a\u64cd\u696d\u505c\u6b62\u8cbb\u7528\u3002.<\/p><\/li><\/ul><p class=\"p3\">\u7cbe\u5ea6\u3068\u8010\u4e45\u6027\u306b\u4f9d\u5b58\u3059\u308b\u7523\u696d\u306b\u3068\u3063\u3066\u3001\u3053\u308c\u3089\u306e\u30ea\u30b9\u30af\u306f\u5bb9\u8a8d\u3067\u304d\u306a\u3044\u3002.<\/p><p class=\"p3\">\u672c\u7269\u306e\u70ad\u5316\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u3092\u898b\u5206\u3051\u308b\u3053\u3068\u306f\u3001\u5358\u306b\u54c1\u8cea\u306e\u554f\u984c\u3067\u306f\u306a\u304f\u3001\u30d3\u30b8\u30cd\u30b9\u3092\u5b88\u308b\u3053\u3068\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3059\u3002.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-66816a7 e-flex e-con-boxed e-con e-parent\" data-id=\"66816a7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8d6b54d elementor-widget elementor-widget-text-editor\" data-id=\"8d6b54d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>\u7d14\u6b63\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u30ab\u30fc\u30d0\u30a4\u30c9\u30dc\u30fc\u30eb\u306e\u4e3b\u306a\u7279\u6027<\/b><\/h2><p><img decoding=\"async\" class=\"alignnone wp-image-10566 size-full\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-2.jpg\" alt=\"\" width=\"660\" height=\"440\" srcset=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-2.jpg 660w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-2-300x200.jpg 300w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-2-18x12.jpg 18w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p><p class=\"p3\">\u672c\u7269\u306e\u70ad\u5316\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u30dc\u30fc\u30eb\u306f\u3001\u305d\u306e\u72ec\u7279\u306a\u6750\u6599\u7279\u6027\u306b\u3088\u3063\u3066\u969b\u7acb\u3063\u3066\u3044\u307e\u3059\u3002<\/p><ul class=\"ul1\"><li class=\"li3\"><p>\u9ad8\u3044 <a href=\"https:\/\/www.retopz.com\/ja\/density-in-the-tungsten-carbide-industry-an-explanatory-overview\/\" target=\"_blank\" rel=\"noopener\">\u5bc6\u5ea6<\/a> \uff08\u30d0\u30a4\u30f3\u30c0\u30fc\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066\u7d0414.5\uff5e15.1 g\/cm\u00b3\uff09\u3002.<\/p><\/li><li class=\"li3\"><p>\u975e\u5e38\u306b\u786c\u3044\uff08\u30ed\u30c3\u30af\u30a6\u30a7\u30eb\u786c\u5ea6\u306790HRA\u306b\u8fd1\u3044\uff09\u3002.<\/p><\/li><li class=\"li3\"><p>\u92fc\u9244\u88fd\u3084\u5408\u91d1\u88fd\u306e\u30dc\u30fc\u30eb\u3068\u6bd4\u3079\u3066\u3001\u30b5\u30a4\u30ba\u306b\u5bfe\u3057\u3066\u91cd\u91cf\u304c\u91cd\u3044\u3002.<\/p><\/li><li class=\"li3\"><p>\u512a\u308c\u305f\u8010\u4e45\u6027\u3068 <a href=\"https:\/\/www.retopz.com\/ja\/corrosion-resistance-in-the-tungsten-carbide-industry-an-explanatory-overview\/\" target=\"_blank\" rel=\"noopener\">\u8010\u8150\u98df\u6027<\/a>.<\/p><\/li><\/ul><p class=\"p3\">\u3053\u308c\u3089\u306e\u7279\u6027\u306b\u3088\u308a\u3001\u70ad\u5316\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u306f\u6975\u5ea6\u306e\u8ca0\u8377\u3001\u71b1\u3001\u6469\u8017\u4e0b\u3067\u3082\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u6750\u6599\u3068\u306a\u308b\u3002.<\/p><p class=\"p3\">\u507d\u9020\u54c1\u306f\u307b\u307c\u4f8b\u5916\u306a\u304f\u3001\u5bc6\u5ea6\u304c\u4f4e\u304f\u3001\u786c\u5ea6\u3082\u4f4e\u4e0b\u3057\u3066\u3044\u308b\u3002.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-af1c5f4 e-flex e-con-boxed e-con e-parent\" data-id=\"af1c5f4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ef4a5e elementor-widget elementor-widget-text-editor\" data-id=\"6ef4a5e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>\u30b9\u30c6\u30c3\u30d71\uff1a\u91cd\u91cf\u3092\u6e2c\u5b9a\u3059\u308b<\/b><\/h2><p><img decoding=\"async\" class=\"alignnone wp-image-10567 size-full\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-3.jpg\" alt=\"\" width=\"660\" height=\"440\" srcset=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-3.jpg 660w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-3-300x200.jpg 300w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-3-18x12.jpg 18w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p><p class=\"p3\">\u6700\u3082\u7c21\u5358\u306a\u65b9\u6cd5\u306f\u3001\u91cd\u3055\u3092\u91cf\u308b\u3053\u3068\u3067\u3059\u3002\u308f\u305a\u304b\u306a\u9055\u3044\u3082\u6b63\u78ba\u306b\u6e2c\u5b9a\u3067\u304d\u308b\u7cbe\u5bc6\u306a\u79e4\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p><p class=\"p3\">\u672c\u7269\u306e\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u30ab\u30fc\u30d0\u30a4\u30c9\u88fd\u306e\u30dc\u30fc\u30eb\u306f\u3001\u540c\u3058\u30b5\u30a4\u30ba\u306e\u92fc\u9244\u88fd\u3084\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u306e\u30dc\u30fc\u30eb\u3088\u308a\u3082\u660e\u3089\u304b\u306b\u91cd\u304f\u611f\u3058\u307e\u3059\u3002.<\/p><p class=\"p3\">\u4f8b\u3048\u3070\uff1a<\/p><ul class=\"ul1\"><li class=\"li3\"><p>\u76f4\u5f8410mm\u306e\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u30ab\u30fc\u30d0\u30a4\u30c9\u7403\u306e\u91cd\u3055\u306f\u7d044.08g\u3067\u3059\u3002.<\/p><\/li><li class=\"li3\"><p>\u76f4\u5f8410mm\u306e\u92fc\u7403\u306f\u7d044.10g\u306e\u91cd\u3055\u306b\u306a\u308b\u304c\u3001\u5bc6\u5ea6\u3068\u5f37\u5ea6\u306f\u4f4e\u304f\u306a\u308b\u3002.<\/p><\/li><li class=\"li3\"><p>\u507d\u9020\u5408\u91d1\u306e\u4e2d\u306b\u306f\u3001\u91cd\u91cf\u304c3.5\uff5e3.8\u30b0\u30e9\u30e0\u7a0b\u5ea6\u3068\u8efd\u3044\u3082\u306e\u3082\u3042\u308b\u3002.<\/p><\/li><\/ul><p class=\"p3\">\u3053\u306e\u7c21\u5358\u306a\u30c1\u30a7\u30c3\u30af\u3067\u3001\u751f\u7523\u306b\u5165\u308b\u524d\u306b\u7591\u308f\u3057\u3044\u90e8\u54c1\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5fe6d09 e-flex e-con-boxed e-con e-parent\" data-id=\"5fe6d09\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-078dff0 elementor-widget elementor-widget-text-editor\" data-id=\"078dff0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>\u30b9\u30c6\u30c3\u30d72\uff1a\u5bc6\u5ea6\u3092\u8a08\u7b97\u3059\u308b<\/b><\/h2><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10568 size-full\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-4.jpg\" alt=\"\" width=\"660\" height=\"440\" srcset=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-4.jpg 660w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-4-300x200.jpg 300w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-4-18x12.jpg 18w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p><p class=\"p3\">\u4f53\u91cd\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002<a href=\"https:\/\/www.retopz.com\/ja\/density-in-the-tungsten-carbide-industry-an-explanatory-overview\/\" target=\"_blank\" rel=\"noopener\">\u5bc6\u5ea6<\/a> \u771f\u6b63\u6027\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u5bc6\u5ea6\u306f\u6b21\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002<\/p><p class=\"p3\"><b>\u5bc6\u5ea6\uff1d\u91cd\u91cf\u00f7\u4f53\u7a4d<\/b><\/p><p class=\"p3\">\u7403\u306e\u4f53\u7a4d\u306f\u6b21\u306e\u5f0f\u3067\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p><p class=\"p3\"><b>V = (4\/3) \u00d7 \u03c0 \u00d7 r\u00b3<\/b><\/p><p class=\"p3\">\u3053\u3053\u3067\u3001r\u306f\u534a\u5f84\u3067\u3059\u3002.<\/p><p class=\"p3\">\u5bc6\u5ea6\u304c14.5\uff5e15.1 g\/cm\u00b3\u306e\u7bc4\u56f2\u5185\u3067\u3042\u308c\u3070\u3001\u70ad\u5316\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u3068\u4e00\u81f4\u3059\u308b\u3002.<\/p><p class=\"p3\">7\uff5e8 g\/cm\u00b3\uff08\u92fc\u9244\uff09\u30845\uff5e6 g\/cm\u00b3\uff08\u5408\u91d1\uff09\u3068\u3044\u3063\u305f\u5927\u304d\u306a\u504f\u5dee\u306f\u3001\u507d\u9020\u6750\u6599\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dbeff86 e-flex e-con-boxed e-con e-parent\" data-id=\"dbeff86\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1f17b74 elementor-widget elementor-widget-text-editor\" data-id=\"1f17b74\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>\u30b9\u30c6\u30c3\u30d73\uff1a\u6a19\u6e96\u53c2\u7167\u30c7\u30fc\u30bf\u3068\u6bd4\u8f03\u3059\u308b<\/b><\/h2><p class=\"p2\">\u696d\u754c\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306f\u3001\u6a19\u6e96\u7684\u306a\u30dc\u30fc\u30eb\u30b5\u30a4\u30ba\u306b\u3064\u3044\u3066\u3001\u91cd\u91cf\u3068\u5bc6\u5ea6\u306e\u53c2\u8003\u8868\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u3002.<\/p><p class=\"p2\">\u6e2c\u5b9a\u5024\u3092\u3053\u308c\u3089\u306e\u57fa\u6e96\u5024\u3068\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\u3001\u77db\u76fe\u70b9\u3092\u7d20\u65e9\u304f\u767a\u898b\u3067\u304d\u307e\u3059\u3002.<\/p><p class=\"p2\">\u4ee5\u4e0b\u306f\u3001\u70ad\u5316\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u30dc\u30fc\u30eb\u306e\u53c2\u8003\u91cd\u91cf\u3092\u793a\u3059\u30b7\u30f3\u30d7\u30eb\u306aHTML\u30c6\u30fc\u30d6\u30eb\u3067\u3059\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7bc772a e-flex e-con-boxed e-con e-parent\" data-id=\"7bc772a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f77c1b7 elementor-widget elementor-widget-text-editor\" data-id=\"f77c1b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table border=\"1\" cellpadding=\"6\" cellspacing=\"0\">\n  <tr>\n    <th>\u30dc\u30fc\u30eb\u306e\u76f4\u5f84\uff08mm\uff09<\/th>\n    <th>\u4e88\u60f3\u91cd\u91cf\uff08\u30b0\u30e9\u30e0\uff09<\/th>\n    <th>\u4e88\u60f3\u5bc6\u5ea6\uff08g\/cm\u00b3\uff09<\/th>\n  <\/tr>\n  <tr>\n    <td>5<\/td>\n    <td>0.51<\/td>\n    <td>14.9<\/td>\n  <\/tr>\n  <tr>\n    <td>10<\/td>\n    <td>4.08<\/td>\n    <td>14.9<\/td>\n  <\/tr>\n  <tr>\n    <td>15<\/td>\n    <td>13.8<\/td>\n    <td>14.9<\/td>\n  <\/tr>\n  <tr>\n    <td>20<\/td>\n    <td>32.8<\/td>\n    <td>14.9<\/td>\n  <\/tr>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f8881b9 e-flex e-con-boxed e-con e-parent\" data-id=\"f8881b9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c6925bb elementor-widget elementor-widget-text-editor\" data-id=\"c6925bb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>\u30b9\u30c6\u30c3\u30d74\uff1a\u8ffd\u52a0\u30c6\u30b9\u30c8\u3092\u5b9f\u65bd\u3059\u308b<\/b><\/h2><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10569 size-full\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-5.jpg\" alt=\"\" width=\"660\" height=\"440\" srcset=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-5.jpg 660w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-5-300x200.jpg 300w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-5-18x12.jpg 18w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p><p class=\"p3\">\u91cd\u91cf\u3068\u5bc6\u5ea6\u306f\u6709\u529b\u306a\u6307\u6a19\u3067\u306f\u3042\u308b\u304c\u3001\u305d\u306e\u4ed6\u306e\u691c\u67fb\u306b\u3088\u3063\u3066\u3055\u3089\u306b\u78ba\u5b9f\u6027\u304c\u9ad8\u307e\u308b\u3002<\/p><ul class=\"ul1\"><li class=\"li3\"><p>\u78c1\u6c17\u30c6\u30b9\u30c8\uff1a\u7d14\u7c8b\u306a\u70ad\u5316\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u306f\u5f37\u3044\u78c1\u6027\u3092\u793a\u3055\u306a\u3044\u304c\u3001\u4e00\u90e8\u306e\u507d\u9020\u54c1\u306f\u5f37\u3044\u78c1\u6027\u3092\u793a\u3059\u3002.<\/p><\/li><li class=\"li3\"><p>\u786c\u5ea6\u8a66\u9a13\uff1a\u7d14\u6b63\u306e\u8d85\u786c\u30dc\u30fc\u30eb\u306f85 HRA\u3092\u8d85\u3048\u308b\u786c\u5ea6\u3092\u6301\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p><\/li><li class=\"li3\"><p>\u76ee\u8996\u691c\u67fb\uff1a\u9ad8\u54c1\u8cea\u306e\u8d85\u786c\u5408\u91d1\u306f\u3001\u8868\u9762\u304c\u6ed1\u3089\u304b\u3067\u3001\u516c\u5dee\u304c\u7cbe\u5bc6\u3067\u3059\u3002.<\/p><\/li><\/ul><p class=\"p3\">\u8907\u6570\u306e\u30c1\u30a7\u30c3\u30af\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u6700\u3082\u78ba\u5b9f\u306a\u4fdd\u8a3c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a111dd4 e-flex e-con-boxed e-con e-parent\" data-id=\"a111dd4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-287f452 elementor-widget elementor-widget-text-editor\" data-id=\"287f452\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>\u30b9\u30c6\u30c3\u30d75\uff1a\u8a8d\u5b9a\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u304b\u3089\u306e\u307f\u8cfc\u5165\u3059\u308b<\/b><\/h2><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10570 size-full\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-6.jpg\" alt=\"\" width=\"660\" height=\"440\" srcset=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-6.jpg 660w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-6-300x200.jpg 300w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-6-18x12.jpg 18w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p><p class=\"p3\">\u6700\u9ad8\u306e\u691c\u67fb\u306b\u3082\u9650\u754c\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u3082\u52b9\u679c\u7684\u306a\u4e88\u9632\u7b56\u306f\u3001\u4fe1\u983c\u3067\u304d\u308b\u8a8d\u8a3c\u6e08\u307f\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u304b\u3089\u8abf\u9054\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u4f01\u696d\u3092\u63a2\u3057\u307e\u3057\u3087\u3046\u3002<\/p><ul class=\"ul1\"><li class=\"li3\"><p>\u6750\u6599\u30c8\u30ec\u30fc\u30b5\u30d3\u30ea\u30c6\u30a3\u8a3c\u660e\u66f8\u3002.<\/p><\/li><li class=\"li3\"><p>ISO\u54c1\u8cea\u30de\u30cd\u30b8\u30e1\u30f3\u30c8\u8a8d\u8a3c\u3002.<\/p><\/li><li class=\"li3\"><p>\u72ec\u7acb\u6a5f\u95a2\u306b\u3088\u308b\u786c\u5ea6\u304a\u3088\u3073\u5bc6\u5ea6\u8a66\u9a13\u5831\u544a\u66f8\u3002.<\/p><\/li><li class=\"li3\"><p>\u8d85\u786c\u5408\u91d1\u88fd\u9020\u306b\u304a\u3051\u308b\u9577\u5e74\u306e\u5b9f\u7e3e\u3002.<\/p><\/li><\/ul><p class=\"p3\">\u4fe1\u983c\u3067\u304d\u308b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3068\u53d6\u5f15\u3059\u308b\u3053\u3068\u3067\u3001\u507d\u9020\u54c1\u304c\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u306b\u6df7\u5165\u3059\u308b\u53ef\u80fd\u6027\u3092\u4f4e\u6e1b\u3067\u304d\u307e\u3059\u3002.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0609bd2 e-flex e-con-boxed e-con e-parent\" data-id=\"0609bd2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3530af1 elementor-widget elementor-widget-text-editor\" data-id=\"3530af1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>\u7d50\u8ad6<\/b><\/h2><p class=\"p2\">\u507d\u9020\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u30ab\u30fc\u30d0\u30a4\u30c9\u30dc\u30fc\u30eb\u306f\u3001\u591a\u304f\u306e\u7523\u696d\u306b\u3068\u3063\u3066\u6f5c\u5728\u7684\u306a\u30ea\u30b9\u30af\u3067\u3059\u3002\u91cd\u91cf\u3084\u5bc6\u5ea6\u306a\u3069\u306e\u7c21\u5358\u306a\u691c\u67fb\u3092\u5b9f\u65bd\u3059\u308b\u3053\u3068\u3067\u3001\u610f\u601d\u6c7a\u5b9a\u8005\u306f\u6a5f\u5668\u3092\u4fdd\u8b77\u3057\u3001\u9ad8\u984d\u306a\u6545\u969c\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p><p class=\"p2\">\u30d9\u30a2\u30ea\u30f3\u30b0\u3001\u30d0\u30eb\u30d6\u3001\u5207\u524a\u5de5\u5177\u3001\u30dd\u30f3\u30d7\u306a\u3069\u306e\u91cd\u8981\u306a\u7528\u9014\u306b\u304a\u3044\u3066\u306f\u3001\u7d14\u6b63\u306e\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u30ab\u30fc\u30d0\u30a4\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u3001\u5358\u306b\u6700\u826f\u306e\u65b9\u6cd5\u3067\u3042\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u5b89\u5168\u6027\u3001\u6027\u80fd\u3001\u305d\u3057\u3066\u30b3\u30b9\u30c8\u524a\u6e1b\u306e\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p><p class=\"p3\">\u4f01\u696d\u306e\u8a73\u7d30\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<a href=\"https:\/\/www.retopz.com\/ja\/contact\/\" target=\"_blank\" rel=\"noopener\"> \u304a\u554f\u3044\u5408\u308f\u305b\u3002<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>In global industries, from bearings to valves and milling media, tungsten carbide balls play a vital role. Because of their high hardness, wear resistance, and density, they are often preferred over steel or ceramic balls. However, the popularity of carbide balls has also created a problem: counterfeit products. Fake carbide balls may look similar to real ones, but they often lack the required hardness, density, and durability. Using counterfeit parts can lead to serious problems\u2014equipment breakdown, higher downtime, and costly failures. For decision-makers, the ability to spot counterfeit carbide balls early is critical. One of the most reliable ways to check authenticity is by looking at weight and density calculations. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":10565,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10592","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-carbide-academy"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.8 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Identifying Counterfeit Carbide Balls by Density<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.retopz.com\/ja\/how-to-identify-counterfeit-carbide-balls-weight-density-calculations\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Identify Counterfeit Carbide Balls: Weight &amp; Density Calculations\" \/>\n<meta property=\"og:description\" content=\"In global industries, from bearings to valves and milling media, tungsten carbide balls play a vital role. Because of their high hardness, wear resistance, and density, they are often preferred over steel or ceramic balls. However, the popularity of carbide balls has also created a problem: counterfeit products. Fake carbide balls may look similar to real ones, but they often lack the required hardness, density, and durability. Using counterfeit parts can lead to serious problems\u2014equipment breakdown, higher downtime, and costly failures. For decision-makers, the ability to spot counterfeit carbide balls early is critical. One of the most reliable ways to check authenticity is by looking at weight and density calculations. [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.retopz.com\/ja\/how-to-identify-counterfeit-carbide-balls-weight-density-calculations\/\" \/>\n<meta property=\"og:site_name\" content=\"Retop Carbide\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-03T06:22:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-03T06:42:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/09\/How-to-Identify-Counterfeit-Carbide-Balls-Weight-Density-Calculations-www.retopz.com-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"660\" \/>\n\t<meta property=\"og:image:height\" content=\"440\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"luo jing\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"luo jing\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"5\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.retopz.com\\\/how-to-identify-counterfeit-carbide-balls-weight-density-calculations\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.retopz.com\\\/how-to-identify-counterfeit-carbide-balls-weight-density-calculations\\\/\"},\"author\":{\"name\":\"luo jing\",\"@id\":\"https:\\\/\\\/www.retopz.com\\\/#\\\/schema\\\/person\\\/871b61a909972b30a2517ef5f604598e\"},\"headline\":\"How to Identify Counterfeit Carbide Balls: Weight &amp; 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