{"id":16528,"date":"2026-10-23T06:47:47","date_gmt":"2026-10-23T06:47:47","guid":{"rendered":"https:\/\/www.hndfcrane.com\/?post_type=posts&#038;p=16528"},"modified":"2026-10-23T06:47:50","modified_gmt":"2026-10-23T06:47:50","slug":"magnetic-particle-testing-vs-penetrant-testing","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/zh\/posts\/magnetic-particle-testing-vs-penetrant-testing\/","title":{"rendered":"\u78c1\u7c89\u68c0\u6d4b\u4e0e\u6e17\u900f\u68c0\u6d4b\uff1a\u9009\u62e9\u5408\u9002\u7684\u8d77\u91cd\u673a\u710a\u7f1d\u68c0\u6d4b\u65b9\u6cd5"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>\u76ee\u5f55<\/p><nav><ul><li><a href=\"#1-what-do-magnetic-particle-testing-and-penetrant-testing-detect\">1. \u78c1\u7c89\u68c0\u6d4b\u548c\u6e17\u900f\u68c0\u6d4b\u80fd\u68c0\u6d4b\u51fa\u4ec0\u4e48\uff1f<\/a><\/li><li><a href=\"#2-principles-magnetic-flux-leakage-vs-capillary-action\">2. \u539f\u7406\uff1a\u78c1\u901a\u6cc4\u6f0f\u4e0e\u6bdb\u7ec6\u4f5c\u7528<\/a><\/li><li><a href=\"#3-material-selection-the-first-decision-point\">3. \u6750\u6599\u9009\u62e9\uff1a\u7b2c\u4e00\u4e2a\u51b3\u7b56\u70b9<\/a><\/li><li><a href=\"#4-advantages-and-limitations\">4. \u4f18\u52bf\u4e0e\u5c40\u9650\u6027<\/a><\/li><li><a href=\"#5-practical-points-for-crane-weld-inspection\">5. \u8d77\u91cd\u673a\u710a\u63a5\u68c0\u9a8c\u7684\u5b9e\u7528\u8981\u70b9<\/a><\/li><li><a href=\"#6-common-misunderstandings\">6. \u5e38\u89c1\u8bef\u89e3<\/a><\/li><li><a href=\"#conclusion\">\u7ed3\u8bba<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>\u710a\u63a5\u8868\u9762\u68c0\u6d4b\u5bf9\u4e8e\u6865\u5f0f\u8d77\u91cd\u673a\u3001\u95e8\u5f0f\u8d77\u91cd\u673a\u3001\u60ac\u81c2\u8d77\u91cd\u673a\u548c\u5176\u4ed6\u94a2\u7ed3\u6784\u81f3\u5173\u91cd\u8981\u3002\u78c1\u7c89\u68c0\u6d4b (MT) \u548c\u6e17\u900f\u68c0\u6d4b (PT) \u662f\u4e24\u79cd\u5e38\u7528\u7684\u68c0\u6d4b\u65b9\u6cd5\u3002MT \u5229\u7528\u78c1\u573a\u8fdb\u884c\u68c0\u6d4b\uff0c\u800c PT \u5229\u7528\u6bdb\u7ec6\u4f5c\u7528\u8fdb\u884c\u68c0\u6d4b\u3002MT \u4ec5\u9002\u7528\u4e8e\u94c1\u78c1\u6027\u6750\u6599\uff0c\u800c PT \u5bf9\u6750\u6599\u6ca1\u6709\u78c1\u6027\u8981\u6c42\u3002\u9009\u62e9\u9519\u8bef\u7684\u68c0\u6d4b\u65b9\u6cd5\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7f3a\u9677\u65e0\u6cd5\u88ab\u68c0\u6d4b\u5230\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"666\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/10\/Magnetic-Particle-Testing-VS-Penetrant-Testing.png\" alt=\"\" class=\"wp-image-16541\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-what-do-magnetic-particle-testing-and-penetrant-testing-detect\">1. \u78c1\u7c89\u68c0\u6d4b\u548c\u6e17\u900f\u68c0\u6d4b\u80fd\u68c0\u6d4b\u51fa\u4ec0\u4e48\uff1f<\/h2>\n\n\n\n<p>\u4e24\u79cd\u65b9\u6cd5\u5747\u53ef\u68c0\u6d4b\u8868\u9762\u7f3a\u9677\uff0c\u4f46\u5b83\u4eec\u7684\u68c0\u6d4b\u8303\u56f4\u548c\u6750\u6599\u8981\u6c42\u4e0d\u540c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u6bd4\u8f83<\/th><th>\u78c1\u7c89\u68c0\u6d4b\uff08MT\uff09<\/th><th>\u6e17\u900f\u68c0\u6d4b\uff08PT\uff09<\/th><\/tr><\/thead><tbody><tr><td>\u68c0\u6d4b\u8303\u56f4<\/td><td>\u8868\u9762\u548c\u8fd1\u8868\u9762\u7f3a\u9677<\/td><td>\u4ec5\u8868\u9762\u7f3a\u9677<\/td><\/tr><tr><td>\u9002\u7528\u6750\u6599<\/td><td>\u94c1\u78c1\u6027\u6750\u6599\uff0c\u4f8b\u5982\u78b3\u94a2\u3001\u4f4e\u5408\u91d1\u94a2\u4ee5\u53ca\u9a6c\u6c0f\u4f53\u6216\u94c1\u7d20\u4f53\u4e0d\u9508\u94a2<\/td><td>\u65e0\u5b54\u6750\u6599\uff0c\u5305\u62ec\u4e0d\u9508\u94a2\u3001\u94dd\u3001\u94dc\u3001\u9676\u74f7\u3001\u5851\u6599\u3001\u78b3\u94a2\u548c\u4f4e\u5408\u91d1\u94a2\u3002<\/td><\/tr><tr><td>\u5185\u90e8\u7f3a\u9677<\/td><td>\u65e0\u6cd5\u68c0\u6d4b\u5230\u5b83\u4eec<\/td><td>\u65e0\u6cd5\u68c0\u6d4b\u5230\u5b83\u4eec<\/td><\/tr><tr><td>\u5178\u578b\u7f3a\u9677<\/td><td>\u8868\u9762\u88c2\u7eb9\u3001\u8fd1\u8868\u9762\u88c2\u7eb9\u3001\u642d\u63a5\u5904\u548c\u63a5\u7f1d<\/td><td>\u8868\u9762\u88c2\u7eb9\u3001\u5b54\u9699\u548c\u672a\u5b8c\u5168\u878d\u5408<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u7b80\u5355\u6765\u8bf4\uff0c\u78c1\u5171\u632f\u6210\u50cf\uff08MT\uff09\u53ef\u4ee5\u68c0\u6d4b\u8868\u9762\u4ee5\u4e0b\u5f88\u77ed\u8ddd\u79bb\u5185\u7684\u7f3a\u9677\uff0c\u4f46\u4ec5\u9650\u4e8e\u94c1\u78c1\u6027\u6750\u6599\u3002\u8d28\u5b50\u8f6c\u79fb\u6210\u50cf\uff08PT\uff09\u53ea\u80fd\u68c0\u6d4b\u4e0e\u8868\u9762\u76f8\u8fde\u7684\u7f3a\u9677\uff0c\u4f46\u5176\u9002\u7528\u8303\u56f4\u66f4\u5e7f\u3002<\/p>\n\n\n\n<p>\u6ce8\uff1a\u78c1\u5171\u632f\uff08MT\uff09\u7684\u8fd1\u8868\u9762\u68c0\u6d4b\u6df1\u5ea6\u901a\u5e38\u7406\u89e3\u4e3a\u8868\u9762\u4ee5\u4e0b\u7ea61-2\u6beb\u7c73\u3002\u5b9e\u9645\u6df1\u5ea6\u53d6\u51b3\u4e8e\u78c1\u5316\u65b9\u6cd5\u548c\u7f3a\u9677\u5c3a\u5bf8\uff0c\u76ee\u524d\u5c1a\u65e0\u7edf\u4e00\u7684\u56fd\u5bb6\u5b9a\u4e49\u3002\u5e94\u4ee5\u9002\u7528\u7684\u68c0\u6d4b\u7a0b\u5e8f\u4e3a\u51c6\u3002\u66f4\u6df1\u7684\u7f3a\u9677\u5e94\u4f7f\u7528\u8d85\u58f0\u6ce2\uff08UT\uff09\u6216\u5c04\u7ebf\u68c0\u6d4b\uff08RT\uff09\u8fdb\u884c\u68c0\u6d4b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-principles-magnetic-flux-leakage-vs-capillary-action\">2. \u539f\u7406\uff1a\u78c1\u901a\u6cc4\u6f0f\u4e0e\u6bdb\u7ec6\u4f5c\u7528<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mt-magnetic-flux-leakage-attracts-particles\">\u78c1\u7c89\u68c0\u6d4b\uff1a\u78c1\u901a\u6cc4\u6f0f\u5438\u5f15\u9897\u7c92<\/h3>\n\n\n\n<p>\u5f53\u94c1\u78c1\u6027\u6750\u6599\u88ab\u78c1\u5316\u65f6\uff0c\u78c1\u901a\u91cf\u4f1a\u6cbf\u7279\u5b9a\u65b9\u5411\u7a7f\u8fc7\u5b83\u3002\u5982\u679c\u6750\u6599\u8868\u9762\u6216\u9644\u8fd1\u5b58\u5728\u88c2\u7eb9\u3001\u5b54\u9699\u6216\u5176\u4ed6\u7f3a\u9677\uff0c\u78c1\u901a\u91cf\u4f1a\u53d1\u751f\u5f2f\u66f2\u5e76\u4ece\u6750\u6599\u4e2d\u9038\u51fa\uff0c\u4ece\u800c\u5f62\u6210\u6f0f\u78c1\u573a\u3002\u78c1\u6027\u7c92\u5b50\u4f1a\u805a\u96c6\u5728\u6f0f\u78c1\u573a\u5904\uff0c\u4ece\u800c\u66b4\u9732\u7f3a\u9677\u7684\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u7f3a\u9677\u65b9\u5411\u4e0e\u78c1\u901a\u65b9\u5411\u5e73\u884c\uff0c\u5219\u6f0f\u78c1\u573a\u53ef\u80fd\u592a\u5f31\u800c\u65e0\u6cd5\u4ea7\u751f\u6e05\u6670\u7684\u6307\u793a\u3002\u56e0\u6b64\uff0c\u78c1\u7c89\u63a2\u4f24\u901a\u5e38\u91c7\u7528\u4e24\u4e2a\u76f8\u4e92\u5782\u76f4\u7684\u78c1\u5316\u65b9\u5411\u3002\u5bf9\u4e8e\u8d77\u91cd\u673a\u710a\u63a5\uff0c\u901a\u5e38\u91c7\u7528\u78c1\u8f6d\u6cd5\uff0c\u6cbf\u710a\u7f1d\u65b9\u5411\u548c\u6a2a\u5411\u65b9\u5411\u5404\u8fdb\u884c\u4e00\u6b21\u78c1\u5316\u3002\u4ea4\u53c9\u78c1\u8f6d\u8fd8\u53ef\u4ee5\u5e2e\u52a9\u68c0\u6d4b\u4e0d\u540c\u65b9\u5411\u7684\u7f3a\u9677\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/10\/Magnetic-Particle-Inspection-for-Crane-Wheel.jpg\" alt=\"\" class=\"wp-image-16534\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pt-penetrant-enters-the-defect-and-developer-draws-it-out\">\u6e17\u900f\u6d4b\u8bd5\uff1a\u6e17\u900f\u5242\u8fdb\u5165\u7f3a\u9677\u5904\uff0c\u5f00\u53d1\u4eba\u5458\u5c06\u5176\u62bd\u51fa\u3002<\/h3>\n\n\n\n<p>\u5728\u6e17\u900f\u63a2\u4f24\u4e2d\uff0c\u6e17\u900f\u5242\u88ab\u6d82\u8986\u5728\u5de5\u4ef6\u8868\u9762\uff0c\u5e76\u901a\u8fc7\u6bdb\u7ec6\u4f5c\u7528\u6e17\u5165\u8868\u9762\u7f3a\u9677\u3002\u53bb\u9664\u591a\u4f59\u7684\u6e17\u900f\u5242\u540e\uff0c\u6d82\u8986\u663e\u5f71\u5242\u3002\u7f3a\u9677\u5185\u90e8\u7684\u6e17\u900f\u5242\u88ab\u5e26\u56de\u8868\u9762\uff0c\u4ece\u800c\u5f62\u6210\u53ef\u89c1\u7684\u7f3a\u9677\u6307\u793a\u3002<\/p>\n\n\n\n<p>\u7f3a\u9677\u5fc5\u987b\u66b4\u9732\u4e8e\u8868\u9762\u3002\u5982\u679c\u88c2\u7eb9\u88ab\u6c27\u5316\u76ae\u3001\u710a\u6e23\u3001\u6cb9\u6f06\u6216\u5176\u4ed6\u6c61\u67d3\u7269\u5835\u585e\uff0c\u6e17\u900f\u5242\u65e0\u6cd5\u8fdb\u5165\uff0c\u6e17\u900f\u68c0\u6d4b\u53ef\u80fd\u65e0\u6cd5\u53d1\u73b0\u7f3a\u9677\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-material-selection-the-first-decision-point\">3. \u6750\u6599\u9009\u62e9\uff1a\u7b2c\u4e00\u4e2a\u51b3\u7b56\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mt-is-limited-to-ferromagnetic-materials\">\u78c1\u7c89\u68c0\u6d4b\u4ec5\u9650\u4e8e\u94c1\u78c1\u6027\u6750\u6599\u3002<\/h3>\n\n\n\n<p>\u78b3\u94a2\u548c\u4f4e\u5408\u91d1\u94a2\uff0c\u5982 Q235\u3001Q355 \u548c Q390\uff0c\u5177\u6709\u94c1\u78c1\u6027\uff0c\u53ef\u4ee5\u7528\u78c1\u7c89\u63a2\u4f24\u6cd5\u8fdb\u884c\u68c0\u6d4b\u3002\u5965\u6c0f\u4f53\u4e0d\u9508\u94a2\uff0c\u5305\u62ec 304 \u548c 316 \u7cfb\u5217\uff0c\u4ee5\u53ca\u94dd\u3001\u94dc\u548c\u949b\uff0c\u4e0d\u5177\u6709\u94c1\u78c1\u6027\uff0c\u4e0d\u80fd\u7528\u78c1\u7c89\u63a2\u4f24\u6cd5\u8fdb\u884c\u68c0\u6d4b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pt-is-suitable-for-non-porous-materials\">\u6e17\u900f\u68c0\u6d4b\u9002\u7528\u4e8e\u975e\u591a\u5b54\u6750\u6599<\/h3>\n\n\n\n<p>\u6e17\u900f\u68c0\u6d4b\u4e0d\u9700\u8981\u78c1\u6027\u6750\u6599\uff0c\u4f46\u8868\u9762\u5fc5\u987b\u65e0\u5b54\u3002\u4e0d\u9508\u94a2\u3001\u94dd\u3001\u94dc\u3001\u9676\u74f7\u3001\u5851\u6599\u3001\u78b3\u94a2\u548c\u4f4e\u5408\u91d1\u94a2\u90fd\u53ef\u4ee5\u7528\u6e17\u900f\u68c0\u6d4b\u6cd5\u8fdb\u884c\u68c0\u6d4b\u3002\u94f8\u94c1\u548c\u7c89\u672b\u51b6\u91d1\u96f6\u4ef6\u7b49\u591a\u5b54\u6750\u6599\u901a\u5e38\u4e0d\u9002\u7528\uff0c\u56e0\u4e3a\u6e17\u900f\u5242\u53ef\u80fd\u4f1a\u6e17\u5165\u5b54\u9699\uff0c\u9020\u6210\u8bef\u62a5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"selection-principle-for-structural-welds\">\u7ed3\u6784\u710a\u7f1d\u7684\u9009\u62e9\u539f\u5219<\/h3>\n\n\n\n<p>\u6839\u636eGB 50661-2011\u6807\u51c6\u7b2c8.2.6\u6761\u89c4\u5b9a\uff0c\u94c1\u78c1\u6027\u6750\u6599\u8868\u9762\u7f3a\u9677\u5e94\u91c7\u7528\u78c1\u7c89\u63a2\u4f24\u6cd5\u68c0\u6d4b\u3002\u5f53\u78c1\u7c89\u63a2\u4f24\u6cd5\u4e0d\u9002\u7528\u65f6\uff0c\u5e94\u91c7\u7528\u6e17\u900f\u63a2\u4f24\u6cd5\u3002\u5bf9\u4e8e\u666e\u901a\u6865\u5f0f\u8d77\u91cd\u673a\u548c\u51b6\u91d1\u8d77\u91cd\u673a\u7ed3\u6784\uff0c\u78b3\u94a2\u548c\u4f4e\u5408\u91d1\u94a2\u710a\u7f1d\u901a\u5e38\u9996\u9009\u78c1\u7c89\u63a2\u4f24\u6cd5\uff0c\u800c\u5965\u6c0f\u4f53\u4e0d\u9508\u94a2\u710a\u7f1d\u548c\u94dd\u7ed3\u6784\u5219\u91c7\u7528\u6e17\u900f\u63a2\u4f24\u6cd5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-advantages-and-limitations\">4. \u4f18\u52bf\u4e0e\u5c40\u9650\u6027<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u6bd4\u8f83<\/th><th>\u78c1\u7c89\u68c0\u6d4b\uff08MT\uff09<\/th><th>\u6e17\u900f\u68c0\u6d4b\uff08PT\uff09<\/th><\/tr><\/thead><tbody><tr><td>\u68c0\u67e5\u901f\u5ea6<\/td><td>\u5feb\u901f\u4e14\u9002\u7528\u4e8e\u6279\u91cf\u68c0\u6d4b<\/td><td>\u901f\u5ea6\u8f83\u6162\uff0c\u56e0\u4e3a\u6e17\u900f\u3001\u6e05\u6d01\u548c\u663e\u5f71\u90fd\u9700\u8981\u65f6\u95f4\u3002<\/td><\/tr><tr><td>\u654f\u611f\u6027<\/td><td>\u5bf9\u8868\u9762\u548c\u8fd1\u8868\u9762\u88c2\u7eb9\u9ad8\u5ea6\u654f\u611f<\/td><td>\u5bf9\u8868\u9762\u7f3a\u9677\u9ad8\u5ea6\u654f\u611f<\/td><\/tr><tr><td>\u6210\u672c<\/td><td>\u901a\u5e38\u8f83\u4f4e<\/td><td>\u6e17\u900f\u5242\u548c\u663e\u5f71\u5242\u7684\u8017\u6750\u6210\u672c<\/td><\/tr><tr><td>\u8868\u9762\u9700\u6c42<\/td><td>\u5fc5\u987b\u6e05\u9664\u6cb9\u6c61\u3001\u94c1\u9508\u548c\u710a\u6e23\u3002<\/td><td>\u8868\u9762\u5fc5\u987b\u6e05\u6d01\u3001\u5e72\u71e5\u4e14\u65e0\u6d82\u5c42\u3002<\/td><\/tr><tr><td>\u68c0\u67e5\u540e\u5904\u7406<\/td><td>\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u9000\u78c1\u548c\u6e05\u6d01\u3002<\/td><td>\u5fc5\u987b\u6e05\u9664\u6b8b\u7559\u7684\u6e17\u900f\u5242\u548c\u663e\u5f71\u5242\u3002<\/td><\/tr><tr><td>\u9650\u5236<\/td><td>\u4ec5\u9650\u94c1\u78c1\u6027\u6750\u6599\uff1b\u53d6\u5411\u4e0d\u5229\u7684\u7f3a\u9677\u53ef\u80fd\u88ab\u5ffd\u7565\u3002<\/td><td>\u4ec5\u8868\u9762\u7f3a\u9677\uff1b\u4e0d\u9002\u7528\u4e8e\u591a\u5b54\u6750\u6599<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-practical-points-for-crane-weld-inspection\">5. \u8d77\u91cd\u673a\u710a\u63a5\u68c0\u9a8c\u7684\u5b9e\u7528\u8981\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mt\">\u78c1\u7c89\u68c0\u6d4b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u81f3\u5c11\u4e24\u4e2a\u76f8\u4e92\u5782\u76f4\u7684\u78c1\u5316\u65b9\u5411\uff0c\u4ee5\u964d\u4f4e\u6f0f\u68c0\u53d6\u5411\u76f8\u5173\u88c2\u7eb9\u7684\u98ce\u9669\u3002<\/li>\n\n\n\n<li>\u6e05\u9664\u6cb9\u6c61\u3001\u9508\u8ff9\u548c\u710a\u6e23\u3002\u6839\u636e\u64cd\u4f5c\u6b65\u9aa4\u9009\u62e9\u8fde\u7eed\u5f0f\u6216\u95f4\u6b47\u5f0f\u6e05\u6d17\u65b9\u6cd5\u3002<\/li>\n\n\n\n<li>\u5fc5\u8981\u65f6\uff0c\u6d4b\u8bd5\u540e\u8fdb\u884c\u9000\u78c1\u3002\u4f7f\u7528\u7d2b\u5916\u5149\u89c2\u5bdf\u8367\u5149\u9897\u7c92\uff0c\u4f7f\u7528\u5408\u9002\u7684\u767d\u5149\u89c2\u5bdf\u975e\u8367\u5149\u9897\u7c92\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1706\" height=\"1136\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/10\/Magnetic-Particle-Testing-for-Jib-Crane.jpg\" alt=\"\" class=\"wp-image-16537\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/10\/Magnetic-Particle-Testing-for-Jib-Crane.jpg 1706w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/10\/Magnetic-Particle-Testing-for-Jib-Crane-1536x1023.jpg 1536w\" sizes=\"(max-width: 1706px) 100vw, 1706px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pt\">\u6e17\u900f\u6d4b\u8bd5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6e05\u9664\u6cb9\u6c61\u3001\u94c1\u9508\u3001\u6d82\u5c42\u548c\u710a\u6e23\uff0c\u4ee5\u514d\u7f3a\u9677\u5f00\u53e3\u88ab\u5835\u585e\u3002<\/li>\n\n\n\n<li>\u8bf7\u6839\u636e\u4ea7\u54c1\u8bf4\u660e\u4e66\u548c\u4e66\u9762\u64cd\u4f5c\u89c4\u7a0b\u8bbe\u7f6e\u4fdd\u6e29\u65f6\u95f4\u3002\u901a\u5e38\u4e3a 5\uff5e60 \u5206\u949f\uff0c\u5ba4\u6e29\u710a\u63a5\u68c0\u9a8c\u5e38\u7528 10\uff5e30 \u5206\u949f\uff0c\u4e14\u4e0d\u5f97\u77ed\u4e8e\u5236\u9020\u5546\u5efa\u8bae\u7684\u65f6\u95f4\u3002<\/li>\n\n\n\n<li>\u9664\u5e72\u71e5\u5de5\u5e8f\u5916\uff0c\u5de5\u4ef6\u3001\u8bd5\u9a8c\u8868\u9762\u548c\u73af\u5883\u6e29\u5ea6\u4e00\u822c\u5e94\u4e3a10\uff5e50\u2103\u3002\u5982\u679c\u6761\u4ef6\u8d85\u51fa\u6b64\u8303\u56f4\uff0c\u5219\u9002\u7528GB\/T 18851.5\u548cGB\/T 18851.6\u7684\u76f8\u5173\u89c4\u5b9a\u3002<\/li>\n\n\n\n<li>\u907f\u514d\u8fc7\u5ea6\u6e05\u6d01\u6216\u6e05\u6d01\u4e0d\u8db3\u3002\u663e\u5f71\u5242\u5e94\u6d82\u62b9\u6210\u8584\u800c\u5747\u5300\u7684\u4e00\u5c42\uff0c\u68c0\u67e5\u540e\u6e05\u9664\u6b8b\u7559\u7684\u6e17\u900f\u5242\u548c\u663e\u5f71\u5242\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-common-misunderstandings\">6. \u5e38\u89c1\u8bef\u89e3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mt-and-pt-are-interchangeable\">\u78c1\u7c89\u68c0\u6d4b\u548c\u6e17\u900f\u68c0\u6d4b\u53ef\u4ee5\u4e92\u6362\u4f7f\u7528\u3002<\/h3>\n\n\n\n<p>\u5e76\u975e\u5982\u6b64\u3002\u78c1\u5316\u8f6c\u79fb\uff08MT\uff09\u4ec5\u9650\u4e8e\u94c1\u78c1\u6027\u6750\u6599\uff0c\u800c\u76f8\u53d8\uff08PT\uff09\u4ec5\u5bf9\u8868\u9762\u65ad\u88c2\u7f3a\u9677\u654f\u611f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pt-can-detect-near-surface-defects\">\u6e17\u900f\u68c0\u6d4b\u53ef\u4ee5\u68c0\u6d4b\u8fd1\u8868\u9762\u7f3a\u9677\u3002<\/h3>\n\n\n\n<p>\u4e0d\u80fd\u3002\u8fd1\u8868\u9762\u7f3a\u9677\u901a\u5e38\u7528\u78c1\u7c89\u63a2\u4f24\uff08MT\uff09\u68c0\u67e5\uff0c\u800c\u8f83\u6df1\u7684\u5185\u90e8\u7f3a\u9677\u5219\u5e94\u4f7f\u7528\u8d85\u58f0\u6ce2\u63a2\u4f24\uff08UT\uff09\u6216\u5c04\u7ebf\u63a2\u4f24\uff08RT\uff09\u68c0\u67e5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mt-is-always-more-sensitive-than-pt\">\u78c1\u7c89\u68c0\u6d4b\u7684\u7075\u654f\u5ea6\u59cb\u7ec8\u9ad8\u4e8e\u6e17\u900f\u68c0\u6d4b\u3002<\/h3>\n\n\n\n<p>\u4e0d\u4e00\u5b9a\u3002PT \u5bf9\u8868\u9762\u88c2\u7eb9\u975e\u5e38\u654f\u611f\uff0c\u800c MT \u4e5f\u80fd\u68c0\u6d4b\u5230\u8fd1\u8868\u9762\u7f3a\u9677\u3002\u5b9e\u9645\u7ed3\u679c\u53d6\u51b3\u4e8e\u68c0\u6d4b\u65b9\u6cd5\u3001\u8868\u9762\u72b6\u51b5\u548c\u7f3a\u9677\u7279\u5f81\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mt-or-pt-eliminates-the-need-for-internal-inspection\">\u78c1\u7c89\u68c0\u6d4b\u6216\u6e17\u900f\u68c0\u6d4b\u65e0\u9700\u8fdb\u884c\u5185\u90e8\u68c0\u67e5\u3002<\/h3>\n\n\n\n<p>\u4e0d\u80fd\u3002\u78c1\u7c89\u63a2\u4f24\u548c\u6e17\u900f\u63a2\u4f24\u4e0d\u80fd\u66ff\u4ee3\u5185\u90e8\u68c0\u6d4b\u3002\u5185\u90e8\u5b54\u9699\u3001\u5939\u6e23\u3001\u672a\u7194\u5408\u548c\u5185\u90e8\u88c2\u7eb9\u5e94\u4f7f\u7528\u8d85\u58f0\u6ce2\u63a2\u4f24\u6216\u5c04\u7ebf\u63a2\u4f24\u8fdb\u884c\u68c0\u6d4b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"every-stainless-steel-weld-must-use-pt\">\u6240\u6709\u4e0d\u9508\u94a2\u710a\u63a5\u90fd\u5fc5\u987b\u8fdb\u884c\u6e17\u900f\u68c0\u6d4b\u3002<\/h3>\n\n\n\n<p>\u724c\u53f7\u5f88\u91cd\u8981\u3002304\u548c316\u7cfb\u5217\u5965\u6c0f\u4f53\u4e0d\u9508\u94a2\u901a\u5e38\u4e0d\u5177\u6709\u94c1\u78c1\u6027\uff0c\u5e94\u91c7\u7528PT\uff08\u9632\u78c1\u5904\u7406\uff09\u3002410\u548c420\u7cfb\u5217\u9a6c\u6c0f\u4f53\u4e0d\u9508\u94a2\u4ee5\u53ca430\u7cfb\u5217\u94c1\u7d20\u4f53\u4e0d\u9508\u94a2\u5177\u6709\u94c1\u78c1\u6027\uff0c\u53ef\u91c7\u7528MT\uff08\u78c1\u63a7\u5904\u7406\uff09\u30022205\u53cc\u76f8\u4e0d\u9508\u94a2\u4e5f\u5177\u6709\u4e00\u5b9a\u7684\u78c1\u6027\uff0c\u4f46\u5176\u7075\u654f\u5ea6\u901a\u5e38\u4f4e\u4e8e\u78b3\u94a2\u3002\u4e0d\u9508\u94a2\u5728\u8fdb\u884cPT\u5904\u7406\u524d\uff0c\u5fc5\u987b\u68c0\u67e5\u5176\u724c\u53f7\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">\u7ed3\u8bba<\/h2>\n\n\n\n<p>MT\u548cPT\u7684\u533a\u522b\u53ef\u4ee5\u6982\u62ec\u4e3a\u4ee5\u4e0b\u4e09\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u68c0\u6d4b\u8303\u56f4\uff1aMT \u53ef\u68c0\u6d4b\u8868\u9762\u548c\u8fd1\u8868\u9762\u7f3a\u9677\uff0c\u800c PT \u4ec5\u53ef\u68c0\u6d4b\u8868\u9762\u7834\u88c2\u7f3a\u9677\u3002<\/li>\n\n\n\n<li>\u9002\u7528\u6750\u6599\uff1aMT \u4ec5\u9650\u4e8e\u94c1\u78c1\u6027\u6750\u6599\uff0c\u800c PT \u9002\u7528\u4e8e\u975e\u591a\u5b54\u6750\u6599\u3002<\/li>\n\n\n\n<li>\u9009\u62e9\u539f\u5219\uff1a\u5bf9\u4e8e\u94c1\u78c1\u6027\u6750\u6599\uff0c\u9996\u5148\u4f7f\u7528\u78c1\u5316\u8f6c\u79fb\u6cd5\uff1b\u5f53\u78c1\u5316\u8f6c\u79fb\u6cd5\u4e0d\u9002\u7528\u65f6\uff0c\u4f7f\u7528\u7269\u7406\u8f6c\u79fb\u6cd5\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5bf9\u4e8e\u666e\u901a\u94a2\u6750\u710a\u63a5 <a href=\"https:\/\/www.hndfcrane.com\/zh\/overhead-cranes\/\">\u6865\u5f0f\u8d77\u91cd\u673a<\/a>\u5bf9\u4e8e\u9f99\u95e8\u8d77\u91cd\u673a\u548c\u60ac\u81c2\u8d77\u91cd\u673a\uff0c\u78b3\u94a2\u548c\u4f4e\u5408\u91d1\u94a2\u5e94\u9996\u5148\u8003\u8651\u78c1\u7c89\u63a2\u4f24\uff08MT\uff09\uff0c\u5965\u6c0f\u4f53\u4e0d\u9508\u94a2\u548c\u94dd\u7ed3\u6784\u5e94\u91c7\u7528\u6e17\u900f\u63a2\u4f24\uff08PT\uff09\u3002\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u4e0d\u80fd\u66ff\u4ee3\u8d85\u58f0\u6ce2\u63a2\u4f24\uff08UT\uff09\u6216\u5c04\u7ebf\u63a2\u4f24\uff08RT\uff09\u6765\u68c0\u6d4b\u5185\u90e8\u710a\u7f1d\u7f3a\u9677\u3002<\/p>","protected":false},"excerpt":{"rendered":"Weld surface inspection is essential for overhead cranes, gantry cranes, jib cranes, and other steel structures. Magnetic particle testing (MT) and penetrant testing (PT) are two commonly used methods. MT relies on a magnetic field, while PT relies on capillary action. MT is limited to ferromagnetic materials, whereas PT has no magnetic-material requirement. Choosing the [&hellip;]","protected":false},"featured_media":16541,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[197],"posts_tag":[807],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/xmxposts\/16528"}],"collection":[{"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":11,"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/xmxposts\/16528\/revisions"}],"predecessor-version":[{"id":16542,"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/xmxposts\/16528\/revisions\/16542"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/media\/16541"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/media?parent=16528"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/posts_category?post=16528"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/posts_tag?post=16528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}