{"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\/ko\/posts\/magnetic-particle-testing-vs-penetrant-testing\/","title":{"rendered":"\uc790\ubd84 \ud0d0\uc0c1 \uac80\uc0ac vs \uce68\ud22c \ud0d0\uc0c1 \uac80\uc0ac: \ud06c\ub808\uc778 \uc6a9\uc811 \uac80\uc0ac\uc5d0 \uc801\ud569\ud55c \ubc29\ubc95 \uc120\ud0dd\ud558\uae30"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>\ubaa9\ucc28<\/p><nav><ul><li><a href=\"#1-what-do-magnetic-particle-testing-and-penetrant-testing-detect\">1. \uc790\ubd84 \ud0d0\uc0c1\uac80\uc0ac\uc640 \uce68\ud22c \ud0d0\uc0c1\uac80\uc0ac\ub294 \ubb34\uc5c7\uc744 \uac80\ucd9c\ud558\ub098\uc694?<\/a><\/li><li><a href=\"#2-principles-magnetic-flux-leakage-vs-capillary-action\">2. \uc6d0\ub9ac: \uc790\uae30 \ud50c\ub7ed\uc2a4 \ub204\uc124 vs. \ubaa8\uc138\uad00 \ud604\uc0c1<\/a><\/li><li><a href=\"#3-material-selection-the-first-decision-point\">3. \uc7ac\ub8cc \uc120\ud0dd: \uccab \ubc88\uc9f8 \uacb0\uc815 \uc9c0\uc810<\/a><\/li><li><a href=\"#4-advantages-and-limitations\">4. \uc7a5\uc810 \ubc0f \ud55c\uacc4\uc810<\/a><\/li><li><a href=\"#5-practical-points-for-crane-weld-inspection\">5. \ud06c\ub808\uc778 \uc6a9\uc811 \uac80\uc0ac \uc2dc \uc2e4\ubb34\uc801 \uace0\ub824\uc0ac\ud56d<\/a><\/li><li><a href=\"#6-common-misunderstandings\">6. \ud754\ud55c \uc624\ud574<\/a><\/li><li><a href=\"#conclusion\">\uacb0\ub860<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>\uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778, \uac20\ud2b8\ub9ac \ud06c\ub808\uc778, \uc9c0\ube0c \ud06c\ub808\uc778 \ubc0f \uae30\ud0c0 \ucca0 \uad6c\uc870\ubb3c\uc758 \uc6a9\uc811\uba74 \uac80\uc0ac\ub294 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc790\ubd84 \ud0d0\uc0c1\uac80\uc0ac(MT)\uc640 \uce68\ud22c \ud0d0\uc0c1\uac80\uc0ac(PT)\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ub450 \uac00\uc9c0 \ubc29\ubc95\uc785\ub2c8\ub2e4. MT\ub294 \uc790\uae30\uc7a5\uc744 \uc774\uc6a9\ud558\ub294 \ubc18\uba74, PT\ub294 \ubaa8\uc138\uad00 \ud604\uc0c1\uc744 \uc774\uc6a9\ud569\ub2c8\ub2e4. MT\ub294 \uac15\uc790\uc131 \uc7ac\ub8cc\uc5d0\ub9cc \uc801\uc6a9 \uac00\ub2a5\ud558\uc9c0\ub9cc, PT\ub294 \uc790\uc131 \uc7ac\ub8cc\uc5d0 \ub300\ud55c \uc81c\uc57d\uc774 \uc5c6\uc2b5\ub2c8\ub2e4. \uc798\ubabb\ub41c \uac80\uc0ac \ubc29\ubc95\uc744 \uc120\ud0dd\ud558\uba74 \uacb0\ud568\uc744 \ubc1c\uacac\ud558\uc9c0 \ubabb\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/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. \uc790\ubd84 \ud0d0\uc0c1\uac80\uc0ac\uc640 \uce68\ud22c \ud0d0\uc0c1\uac80\uc0ac\ub294 \ubb34\uc5c7\uc744 \uac80\ucd9c\ud558\ub098\uc694?<\/h2>\n\n\n\n<p>\ub450 \ubc29\ubc95 \ubaa8\ub450 \ud45c\uba74 \uad00\ub828 \uacb0\ud568\uc744 \uac80\uc0ac\ud558\uc9c0\ub9cc, \ud0d0\uc9c0 \ubc94\uc704\uc640 \uc7ac\ub8cc \uc694\uad6c \uc0ac\ud56d\uc740 \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\ube44\uad50<\/th><th>\uc790\uae30 \uc785\uc790 \uac80\uc0ac(MT)<\/th><th>\uce68\ud22c \ud0d0\uc0c1 \uac80\uc0ac(PT)<\/th><\/tr><\/thead><tbody><tr><td>\ud0d0\uc9c0 \ubc94\uc704<\/td><td>\ud45c\uba74 \ubc0f \ud45c\uba74 \uadfc\ucc98 \uacb0\ud568<\/td><td>\ud45c\uba74 \uade0\uc5f4 \uacb0\ud568\ub9cc \ud574\ub2f9<\/td><\/tr><tr><td>\uc801\uc6a9 \uac00\ub2a5\ud55c \uc7ac\ub8cc<\/td><td>\ud0c4\uc18c\uac15, \uc800\ud569\uae08\uac15, \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\uacc4 \ub610\ub294 \ud398\ub77c\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uacfc \uac19\uc740 \uac15\uc790\uc131 \uc7ac\ub8cc<\/td><td>\uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15, \uc54c\ub8e8\ubbf8\ub284, \uad6c\ub9ac, \uc138\ub77c\ubbf9, \ud50c\ub77c\uc2a4\ud2f1, \ud0c4\uc18c\uac15 \ubc0f \uc800\ud569\uae08\uac15\uc744 \ud3ec\ud568\ud55c \ube44\ub2e4\uacf5\uc131 \uc7ac\ub8cc<\/td><\/tr><tr><td>\ub0b4\ubd80 \uacb0\ud568<\/td><td>\uac10\uc9c0\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4<\/td><td>\uac10\uc9c0\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4<\/td><\/tr><tr><td>\uc77c\ubc18\uc801\uc778 \uacb0\ud568<\/td><td>\ud45c\uba74 \uade0\uc5f4, \ud45c\uba74 \uadfc\ucc98 \uade0\uc5f4, \uacb9\uce68 \ubc0f \uc774\uc74c\ub9e4<\/td><td>\ud45c\uba74 \uade0\uc5f4, \ub2e4\uacf5\uc131 \ubc0f \uac1c\ubc29\ud615 \uc735\ud569 \ubd80\uc871<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\uac04\ub2e8\ud788 \ub9d0\ud574, MT\ub294 \ud45c\uba74 \ubc14\ub85c \uc544\ub798 \uc9e7\uc740 \uac70\ub9ac\uc758 \uacb0\ud568\uc744 \uac10\uc9c0\ud560 \uc218 \uc788\uc9c0\ub9cc, \uac15\uc790\uc131 \ubb3c\uc9c8\uc5d0\ub9cc \uc801\uc6a9 \uac00\ub2a5\ud569\ub2c8\ub2e4. PT\ub294 \ud45c\uba74\uc5d0 \uc5f0\uacb0\ub41c \uacb0\ud568\ub9cc \uac10\uc9c0\ud558\uc9c0\ub9cc, \ub354 \ub113\uc740 \ubc94\uc704\uc758 \uc7ac\ub8cc\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ucc38\uace0: \uc790\uae30\ud0d0\uc0ac(MT)\uc758 \ud45c\uba74 \uadfc\ucc98 \ud0d0\uc9c0 \uae4a\uc774\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ud45c\uba74 \uc544\ub798 \uc57d 1~2mm\ub85c \uc54c\ub824\uc838 \uc788\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c \uae4a\uc774\ub294 \uc790\ud654 \ubc29\uc2dd\uacfc \uacb0\ud568 \ud06c\uae30\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\uba70, \uad6d\uac00\ubcc4\ub85c \ud1b5\uc77c\ub41c \uc815\uc758\ub294 \uc5c6\uc2b5\ub2c8\ub2e4. \uc801\uc6a9 \uac00\ub2a5\ud55c \uac80\uc0ac \uc808\ucc28\ub97c \ub530\ub77c\uc57c \ud569\ub2c8\ub2e4. \ub354 \uae4a\uc740 \uacb0\ud568\uc740 \ucd08\uc74c\ud30c \ud0d0\uc0c1(UT) \ub610\ub294 \ubc29\uc0ac\uc120 \ud0d0\uc0c1(RT)\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac80\uc0ac\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-principles-magnetic-flux-leakage-vs-capillary-action\">2. \uc6d0\ub9ac: \uc790\uae30 \ud50c\ub7ed\uc2a4 \ub204\uc124 vs. \ubaa8\uc138\uad00 \ud604\uc0c1<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mt-magnetic-flux-leakage-attracts-particles\">\uc790\uae30 \uc785\uc790 \uac80\uc0ac: \ub204\uc124 \uc790\uae30\uc7a5\uc774 \uc785\uc790\ub97c \ub04c\uc5b4\ub2f9\uae41\ub2c8\ub2e4.<\/h3>\n\n\n\n<p>\uac15\uc790\uc131 \ubb3c\uc9c8\uc774 \uc790\ud654\ub418\uba74 \uc790\uae30 \uc120\uc18d\uc740 \ud2b9\uc815 \ubc29\ud5a5\uc73c\ub85c \ubb3c\uc9c8\uc744 \ud1b5\uacfc\ud569\ub2c8\ub2e4. \ud45c\uba74\uc774\ub098 \uadf8 \uadfc\ucc98\uc5d0 \uade0\uc5f4, \uae30\uacf5 \ub610\ub294 \uae30\ud0c0 \uacb0\ud568\uc774 \uc874\uc7ac\ud558\uba74 \uc790\uae30 \uc120\uc18d\uc774 \ud718\uc5b4\uc838 \ubb3c\uc9c8 \ubc16\uc73c\ub85c \ube60\uc838\ub098\uac00\uba74\uc11c \ub204\uc124 \uc790\uae30\uc7a5\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc790\uc131 \uc785\uc790\ub294 \uc774 \ub204\uc124 \uc790\uae30\uc7a5\uc5d0 \ubaa8\uc5ec \uacb0\ud568\uc758 \uc704\uce58\ub97c \ub4dc\ub7ec\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uacb0\ud568\uc774 \uc790\uae30 \ud50c\ub7ed\uc2a4\uc640 \ud3c9\ud589\ud55c \uacbd\uc6b0, \ub204\uc124 \uc790\uae30\uc7a5\uc774 \ub108\ubb34 \uc57d\ud558\uc5ec \uba85\ud655\ud55c \uacb0\ud568 \ud45c\uc2dc\ub97c \ub098\ud0c0\ub0b4\uc9c0 \ubabb\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc790\uae30\ud0d0\uc0ac\uac80\uc0ac(MT)\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc11c\ub85c \uc218\uc9c1\uc778 \ub450 \uc790\ud654 \ubc29\ud5a5\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ud06c\ub808\uc778 \uc6a9\uc811\uc758 \uacbd\uc6b0, \uc694\ud06c \ubc29\uc2dd\uc740 \uc6a9\uc811\uc120\uc744 \ub530\ub77c \ud55c \ubc88, \uac00\ub85c\uc9c8\ub7ec \ud55c \ubc88 \uc801\uc6a9\ub418\ub294 \uac83\uc774 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4. \ud06c\ub85c\uc2a4 \uc694\ud06c\ub294 \ub2e4\uc591\ud55c \ubc29\ud5a5\uc758 \uacb0\ud568\uc744 \ud0d0\uc9c0\ud558\ub294 \ub370\uc5d0\ub3c4 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/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\">\uce68\ud22c \ud14c\uc2a4\ud2b8: \uce68\ud22c \ud14c\uc2a4\ud2b8 \ub2f4\ub2f9\uc790\uac00 \uacb0\ud568\uc744 \ucc3e\uc544\ub0b4\uba74 \uac1c\ubc1c\uc790\uac00 \uc774\ub97c \uadf8\ub9bc\uc73c\ub85c \ud45c\ud604\ud569\ub2c8\ub2e4.<\/h3>\n\n\n\n<p>\uce68\ud22c \uac80\uc0ac(PT)\uc5d0\uc11c\ub294 \uce68\ud22c\uc561\uc774 \uacf5\uc791\ubb3c \ud45c\uba74\uc5d0 \ub3c4\ud3ec\ub418\uace0 \ubaa8\uc138\uad00 \ud604\uc0c1\uc744 \ud1b5\ud574 \ud45c\uba74 \uade0\uc5f4 \uacb0\ud568 \ub0b4\ubd80\ub85c \uce68\ud22c\ud569\ub2c8\ub2e4. \uacfc\ub3c4\ud55c \uce68\ud22c\uc561\uc740 \uc81c\uac70\ub418\uace0 \ud604\uc0c1\uc561\uc774 \ub3c4\ud3ec\ub429\ub2c8\ub2e4. \uacb0\ud568 \ub0b4\ubd80\uc5d0 \uc788\ub358 \uce68\ud22c\uc561\uc774 \ud45c\uba74\uc73c\ub85c \ub2e4\uc2dc \ub04c\uc5b4\uc62c\ub824\uc9c0\uba74\uc11c \uc721\uc548\uc73c\ub85c \ud655\uc778\ud560 \uc218 \uc788\ub294 \uacb0\ud568 \ud45c\uc2dc\uac00 \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uacb0\ud568\uc740 \ud45c\uba74\uc5d0 \ub178\ucd9c\ub418\uc5b4 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uade0\uc5f4\uc774 \uc0b0\ud654\ub9c9, \uc6a9\uc811 \uc2ac\ub798\uadf8, \ud398\uc778\ud2b8 \ub610\ub294 \uae30\ud0c0 \uc624\uc5fc \ubb3c\uc9c8\ub85c \ub9c9\ud600 \uc788\uc73c\uba74 \uce68\ud22c\uc561\uc774 \uce68\ud22c\ud560 \uc218 \uc5c6\uc73c\ubbc0\ub85c \uce68\ud22c \uac80\uc0ac\uc5d0\uc11c \uacb0\ud568\uc744 \ubc1c\uacac\ud558\uc9c0 \ubabb\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-material-selection-the-first-decision-point\">3. \uc7ac\ub8cc \uc120\ud0dd: \uccab \ubc88\uc9f8 \uacb0\uc815 \uc9c0\uc810<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mt-is-limited-to-ferromagnetic-materials\">\uc790\uae30 \uc785\uc790 \uac80\uc0ac\ub294 \uac15\uc790\uc131 \ubb3c\uc9c8\uc5d0\ub9cc \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/h3>\n\n\n\n<p>Q235, Q355, Q390\uacfc \uac19\uc740 \ud0c4\uc18c\uac15 \ubc0f \uc800\ud569\uae08\uac15\uc740 \uac15\uc790\uc131\uccb4\uc774\ubbc0\ub85c \uc790\uae30\ud22c\uacfc\uac80\uc0ac(MT)\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4. 304 \ubc0f 316 \uc2dc\ub9ac\uc988\ub97c \ud3ec\ud568\ud55c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uacfc \uc54c\ub8e8\ubbf8\ub284, \uad6c\ub9ac, \ud2f0\ud0c0\ub284\uc740 \ube44\uc790\uc131\uccb4\uc774\ubbc0\ub85c \uc790\uae30\ud22c\uacfc\uac80\uc0ac\uac00 \ubd88\uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pt-is-suitable-for-non-porous-materials\">\uce68\ud22c \ud0d0\uc0c1 \uac80\uc0ac\ub294 \ube44\ub2e4\uacf5\uc131 \uc7ac\ub8cc\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/h3>\n\n\n\n<p>\uce68\ud22c \ud0d0\uc0c1 \uac80\uc0ac(PT)\ub294 \uc790\uc131 \uc7ac\ub8cc\ub97c \ud544\uc694\ub85c \ud558\uc9c0 \uc54a\uc9c0\ub9cc, \ud45c\uba74\uc774 \ube44\ub2e4\uacf5\uc131\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15, \uc54c\ub8e8\ubbf8\ub284, \uad6c\ub9ac, \uc138\ub77c\ubbf9, \ud50c\ub77c\uc2a4\ud2f1, \ud0c4\uc18c\uac15, \uc800\ud569\uae08\uac15 \ub4f1\uc740 \ubaa8\ub450 PT \uac80\uc0ac\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc8fc\ucca0\uc774\ub098 \ubd84\ub9d0 \uc57c\uae08 \ubd80\ud488\uacfc \uac19\uc740 \ub2e4\uacf5\uc131 \uc7ac\ub8cc\ub294 \uce68\ud22c\uc561\uc774 \uae30\uacf5\uc73c\ub85c \uce68\ud22c\ud558\uc5ec \uc624\ud0d0\uc9c0\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \uc77c\ubc18\uc801\uc73c\ub85c PT \uac80\uc0ac\uc5d0 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"selection-principle-for-structural-welds\">\uad6c\uc870\uc6a9 \uc6a9\uc811\ubd80\uc758 \uc120\ud0dd \uc6d0\uce59<\/h3>\n\n\n\n<p>GB 50661-2011\uc758 8.2.6\ud56d\uc5d0 \ub530\ub974\uba74, \uac15\uc790\uc131 \uc7ac\ub8cc\uc758 \ud45c\uba74 \uacb0\ud568 \uac80\uc0ac\uc5d0\ub294 \uc790\ubd84 \ud0d0\uc0c1\uac80\uc0ac(MT)\ub97c \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. MT\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc5c6\ub294 \uacbd\uc6b0\uc5d0\ub294 \uce68\ud22c \ud0d0\uc0c1\uac80\uc0ac(PT)\ub97c \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778 \ubc0f \uc57c\uae08 \ud06c\ub808\uc778 \uad6c\uc870\ubb3c\uc758 \uacbd\uc6b0, \ud0c4\uc18c\uac15 \ubc0f \uc800\ud569\uae08\uac15 \uc6a9\uc811\ubd80\uc5d0\ub294 MT\uac00 \uc77c\ubc18\uc801\uc73c\ub85c \uc6b0\uc120\uc801\uc73c\ub85c \uc120\ud0dd\ub418\uba70, \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uc6a9\uc811\ubd80 \ubc0f \uc54c\ub8e8\ubbf8\ub284 \uad6c\uc870\ubb3c\uc5d0\ub294 \uce68\ud22c \ud0d0\uc0c1\uac80\uc0ac\uac00 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-advantages-and-limitations\">4. \uc7a5\uc810 \ubc0f \ud55c\uacc4\uc810<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\ube44\uad50<\/th><th>\uc790\uae30 \uc785\uc790 \uac80\uc0ac(MT)<\/th><th>\uce68\ud22c \ud0d0\uc0c1 \uac80\uc0ac(PT)<\/th><\/tr><\/thead><tbody><tr><td>\uac80\uc0ac \uc18d\ub3c4<\/td><td>\ube60\ub974\uace0 \uc77c\uad04 \uac80\uc0ac\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/td><td>\uce68\ud22c, \uc138\ucc99 \ubc0f \ud604\uc0c1\uc5d0 \uc2dc\uac04\uc774 \uac78\ub9ac\uae30 \ub54c\ubb38\uc5d0 \uc18d\ub3c4\uac00 \ub290\ub9bd\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uac10\uad11\ub3c4<\/td><td>\ud45c\uba74 \ubc0f \ud45c\uba74 \uadfc\ucc98 \uade0\uc5f4\uc5d0 \ub300\ud55c \ub192\uc740 \ubbfc\uac10\ub3c4<\/td><td>\ud45c\uba74 \ud30c\uc190 \uacb0\ud568\uc5d0 \ub300\ud55c \ub192\uc740 \ubbfc\uac10\ub3c4<\/td><\/tr><tr><td>\ube44\uc6a9<\/td><td>\uc77c\ubc18\uc801\uc73c\ub85c \ub354 \ub0ae\uc74c<\/td><td>\uce68\ud22c\uc81c \ubc0f \ud604\uc0c1\uc561\uc758 \uc18c\ubaa8\ud488 \ube44\uc6a9<\/td><\/tr><tr><td>\ud45c\uba74 \uc694\uad6c \uc0ac\ud56d<\/td><td>\uae30\ub984, \ub179, \uc6a9\uc811 \ucc0c\uaebc\uae30\ub97c \uc81c\uac70\ud574\uc57c \ud569\ub2c8\ub2e4.<\/td><td>\ud45c\uba74\uc740 \uae68\ub057\ud558\uace0 \uac74\uc870\ud558\uba70 \ucf54\ud305\uc774 \uc5c6\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uac80\uc0ac \ud6c4 \ucc98\ub9ac<\/td><td>\ud0c8\uc790 \ubc0f \uc138\ucc99\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td><td>\uc794\ub958 \uce68\ud22c\uc561\uacfc \ud604\uc0c1\uc561\uc744 \uc81c\uac70\ud574\uc57c \ud569\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uc81c\ud55c \uc0ac\ud56d<\/td><td>\uac15\uc790\uc131 \ubb3c\uc9c8\uc5d0\ub9cc \ud574\ub2f9\ub418\uba70, \ubd88\ub9ac\ud55c \ubc29\ud5a5\uc73c\ub85c \ubc30\uc5f4\ub41c \uacb0\ud568\uc740 \uac10\uc9c0\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td><td>\ud45c\uba74 \uade0\uc5f4 \uacb0\ud568\uc5d0\ub9cc \uc0ac\uc6a9 \uac00\ub2a5\ud558\uba70, \ub2e4\uacf5\uc131 \uc7ac\ub8cc\uc5d0\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-practical-points-for-crane-weld-inspection\">5. \ud06c\ub808\uc778 \uc6a9\uc811 \uac80\uc0ac \uc2dc \uc2e4\ubb34\uc801 \uace0\ub824\uc0ac\ud56d<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mt\">\uc790\uae30 \uc785\uc790 \uac80\uc0ac<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubc29\ud5a5\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\ub294 \uade0\uc5f4\uc744 \ub193\uce60 \uc704\ud5d8\uc744 \uc904\uc774\ub824\uba74 \ucd5c\uc18c\ud55c \uc11c\ub85c \uc218\uc9c1\uc778 \ub450 \uac1c\uc758 \uc790\ud654 \ubc29\ud5a5\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\uae30\ub984, \ub179, \uc6a9\uc811 \ucc0c\uaebc\uae30\ub97c \uc81c\uac70\ud558\uc2ed\uc2dc\uc624. \uc808\ucc28\uc5d0 \ub530\ub77c \uc5f0\uc18d\uc2dd \ub610\ub294 \uc794\ub958\uc2dd \ubc29\ubc95\uc744 \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\ud544\uc694\uc5d0 \ub530\ub77c \ud14c\uc2a4\ud2b8 \ud6c4 \uc790\uc131\uc744 \uc81c\uac70\ud558\uc2ed\uc2dc\uc624. \ud615\uad11 \uc785\uc790\ub97c \uad00\ucc30\ud558\ub824\uba74 \uc790\uc678\uc120\uc744 \uc0ac\uc6a9\ud558\uace0, \ube44\ud615\uad11 \uc785\uc790\ub97c \uad00\ucc30\ud558\ub824\uba74 \uc801\uc808\ud55c \ubc31\uc0c9\uad11\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/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\">\uce68\ud22c \ud14c\uc2a4\ud2b8<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uacb0\ud568 \ubd80\uc704\uc758 \uad6c\uba4d\uc774 \ub9c9\ud788\uc9c0 \uc54a\ub3c4\ub85d \uae30\ub984, \ub179, \ucf54\ud305 \ubc0f \uc6a9\uc811 \uc2ac\ub798\uadf8\ub97c \uc81c\uac70\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\uc81c\ud488 \uc124\uba85\uc11c \ubc0f \uc11c\uba74 \uc808\ucc28\uc5d0 \ub530\ub77c \uc720\uc9c0 \uc2dc\uac04\uc744 \uc124\uc815\ud558\uc2ed\uc2dc\uc624. \uc77c\ubc18\uc801\uc73c\ub85c 5~60\ubd84\uc774\uba70, \uc0c1\uc628 \uc6a9\uc811 \uac80\uc0ac\uc5d0\ub294 10~30\ubd84\uc774 \uc790\uc8fc \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc720\uc9c0 \uc2dc\uac04\uc740 \uc81c\uc870\uc5c5\uccb4\uc5d0\uc11c \uad8c\uc7a5\ud558\ub294 \uc2dc\uac04\ubcf4\ub2e4 \uc9e7\uc544\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uac74\uc870 \uacf5\uc815\uc744 \uc81c\uc678\ud55c \uacf5\uc791\ubb3c, \uc2dc\ud5d8 \ud45c\uba74 \ubc0f \uc8fc\ubcc0 \uc628\ub3c4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 10~50\u00b0C\uc5ec\uc57c \ud569\ub2c8\ub2e4. \uc870\uac74\uc774 \uc774 \ubc94\uc704\ub97c \ubc97\uc5b4\ub098\ub294 \uacbd\uc6b0\uc5d0\ub294 GB\/T 18851.5 \ubc0f GB\/T 18851.6\uc758 \uad00\ub828 \uaddc\uc815\uc744 \uc801\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\uacfc\ub3c4\ud55c \uc138\ucc99\uc774\ub098 \ubd88\ucda9\ubd84\ud55c \uc138\ucc99\uc744 \ud53c\ud558\uc2ed\uc2dc\uc624. \ud604\uc0c1\uc561\uc744 \uc587\uace0 \uace0\ub974\uac8c \ub3c4\ud3ec\ud558\uace0, \uac80\uc0ac \ud6c4 \uc794\ub958 \uce68\ud22c\uc561\uacfc \ud604\uc0c1\uc561\uc744 \uc81c\uac70\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-common-misunderstandings\">6. \ud754\ud55c \uc624\ud574<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mt-and-pt-are-interchangeable\">\uc790\ubd84 \ud0d0\uc0c1\uac80\uc0ac\uc640 \uce68\ud22c \ud0d0\uc0c1\uac80\uc0ac\ub294 \uc11c\ub85c \ubc14\uafd4 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uac80\uc0ac\uc785\ub2c8\ub2e4.<\/h3>\n\n\n\n<p>\uadf8\ub807\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. MT\ub294 \uac15\uc790\uc131 \ubb3c\uc9c8\uc5d0\ub9cc \uc801\uc6a9 \uac00\ub2a5\ud558\uba70, PT\ub294 \ud45c\uba74 \ud30c\uad34 \uacb0\ud568\uc5d0\ub9cc \ubbfc\uac10\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pt-can-detect-near-surface-defects\">\uce68\ud22c \ud0d0\uc0c1 \uac80\uc0ac\ub294 \ud45c\uba74 \uadfc\ucc98\uc758 \uacb0\ud568\uc744 \ud0d0\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/h3>\n\n\n\n<p>\ubd88\uac00\ub2a5\ud569\ub2c8\ub2e4. \ud45c\uba74 \uadfc\ucc98\uc758 \uacb0\ud568\uc740 \uc77c\ubc18\uc801\uc73c\ub85c MT\ub85c \uac80\uc0ac\ud558\uace0, \ub354 \uae4a\uc740 \ub0b4\ubd80 \uacb0\ud568\uc740 UT \ub610\ub294 RT\ub85c \uac80\uc0ac\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mt-is-always-more-sensitive-than-pt\">\uc790\uae30 \uc785\uc790 \ud0d0\uc0c1 \uac80\uc0ac\ub294 \uce68\ud22c \ud0d0\uc0c1 \uac80\uc0ac\ubcf4\ub2e4 \ud56d\uc0c1 \ub354 \ubbfc\uac10\ud569\ub2c8\ub2e4.<\/h3>\n\n\n\n<p>\ubc18\ub4dc\uc2dc \uadf8\ub7f0 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \uad11\ud22c\uacfc\uac80\uc0ac(PT)\ub294 \ud45c\uba74 \uade0\uc5f4\uc5d0 \ub9e4\uc6b0 \ubbfc\uac10\ud560 \uc218 \uc788\ub294 \ubc18\uba74, \uc790\uae30\ud22c\uacfc\uac80\uc0ac(MT)\ub294 \ud45c\uba74 \uadfc\ucc98\uc758 \uacb0\ud568\ub3c4 \ub4dc\ub7ec\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c \uacb0\uacfc\ub294 \uac80\uc0ac \ubc29\ubc95, \ud45c\uba74 \uc0c1\ud0dc \ubc0f \uacb0\ud568 \ud2b9\uc131\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mt-or-pt-eliminates-the-need-for-internal-inspection\">\uc790\uae30 \uc785\uc790 \ud0d0\uc0c1 \uac80\uc0ac \ub610\ub294 \uce68\ud22c \ud0d0\uc0c1 \uac80\uc0ac\ub294 \ub0b4\ubd80 \uac80\uc0ac\uc758 \ud544\uc694\uc131\uc744 \uc5c6\uc560\uc90d\ub2c8\ub2e4.<\/h3>\n\n\n\n<p>\uadf8\ub807\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. MT\uc640 PT\ub294 \ub0b4\ubd80 \uac80\uc0ac\ub97c \ub300\uccb4\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ub0b4\ubd80 \uae30\uacf5, \uc2ac\ub798\uadf8 \ud63c\uc785\ubb3c, \uc6a9\uc735 \ubd88\ub7c9 \ubc0f \ub0b4\ubd80 \uade0\uc5f4\uc740 UT \ub610\ub294 RT\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac80\uc0ac\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"every-stainless-steel-weld-must-use-pt\">\ubaa8\ub4e0 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uc6a9\uc811\ubd80\uc5d0\ub294 \uce68\ud22c \ud0d0\uc0c1 \uac80\uc0ac\ub97c \uc2e4\uc2dc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/h3>\n\n\n\n<p>\uc7ac\uc9c8 \ub4f1\uae09\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. 304 \ubc0f 316 \uc2dc\ub9ac\uc988 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ube44\uc790\uc131\uccb4\uc774\ubbc0\ub85c PT\ub97c \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. 410 \ubc0f 420 \uc2dc\ub9ac\uc988 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uacfc 430 \uc2dc\ub9ac\uc988 \ud398\ub77c\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \uc790\uc131\uccb4\uc774\ubbc0\ub85c MT\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 2205 \ub4c0\ud50c\ub809\uc2a4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\ub3c4 \uc5b4\ub290 \uc815\ub3c4 \uc790\uc131\uc744 \ub760\uc9c0\ub9cc, \uc77c\ubc18\uc801\uc73c\ub85c \ud0c4\uc18c\uac15\ubcf4\ub2e4 \uc790\uc131\uc774 \uc57d\ud569\ub2c8\ub2e4. \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \ub4f1\uae09\uc744 \ud655\uc778\ud558\uc9c0 \uc54a\uace0 PT\ub97c \uc0ac\uc6a9\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">\uacb0\ub860<\/h2>\n\n\n\n<p>MT\uc640 PT\uc758 \ucc28\uc774\uc810\uc740 \uc138 \uac00\uc9c0\ub85c \uc694\uc57d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud0d0\uc9c0 \ubc94\uc704: MT\ub294 \ud45c\uba74 \ubc0f \ud45c\uba74 \uadfc\ucc98\uc758 \uacb0\ud568\uc744 \ud0d0\uc9c0\ud558\ub294 \ubc18\uba74, PT\ub294 \ud45c\uba74\uc744 \uad00\ud1b5\ud558\ub294 \uacb0\ud568\ub9cc \ud0d0\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc801\uc6a9 \uc7ac\ub8cc: MT\ub294 \uac15\uc790\uc131 \uc7ac\ub8cc\uc5d0 \ud55c\uc815\ub418\ub294 \ubc18\uba74, PT\ub294 \ube44\ub2e4\uacf5\uc131 \uc7ac\ub8cc\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc120\ud0dd \uc6d0\uce59: \uac15\uc790\uc131 \uc7ac\ub8cc\uc5d0\ub294 MT\ub97c \uc6b0\uc120\uc801\uc73c\ub85c \uc0ac\uc6a9\ud558\uace0, MT\ub97c \uc801\uc6a9\ud560 \uc218 \uc5c6\ub294 \uacbd\uc6b0\uc5d0\ub294 PT\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>\uc77c\ubc18\uc801\uc778 \uac15\ucca0 \uc6a9\uc811\uc758 \uacbd\uc6b0 <a href=\"https:\/\/www.hndfcrane.com\/ko\/overhead-cranes\/\">\uc624\ubc84\ud5e4\ub4dc \ud06c\ub808\uc778<\/a>\uac20\ud2b8\ub9ac \ud06c\ub808\uc778 \ubc0f \uc9c0\ube0c \ud06c\ub808\uc778\uc758 \uacbd\uc6b0, \ud0c4\uc18c\uac15 \ubc0f \uc800\ud569\uae08\uac15\uc5d0\ub294 \uc790\uae30\ud0d0\uc0ac\uac80\uc0ac(MT)\ub97c \uc6b0\uc120\uc801\uc73c\ub85c \uace0\ub824\ud558\uace0, \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ubc0f \uc54c\ub8e8\ubbf8\ub284 \uad6c\uc870\ubb3c\uc5d0\ub294 \uad11\ud0d0\uc0ac\uac80\uc0ac(PT)\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \ub450 \ubc29\ubc95 \ubaa8\ub450 \ub0b4\ubd80 \uc6a9\uc811 \uacb0\ud568 \uac80\uc0ac\uc5d0 \ub300\ud55c \ucd08\uc74c\ud30c\uac80\uc0ac(UT) \ub610\ub294 \ubc29\uc0ac\uc120\uac80\uc0ac(RT)\ub97c \ub300\uccb4\ud560 \uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4.<\/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\/ko\/wp-json\/wp\/v2\/xmxposts\/16528"}],"collection":[{"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":11,"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/xmxposts\/16528\/revisions"}],"predecessor-version":[{"id":16542,"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/xmxposts\/16528\/revisions\/16542"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/media\/16541"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/media?parent=16528"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/posts_category?post=16528"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/ko\/wp-json\/wp\/v2\/posts_tag?post=16528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}