{"id":5303,"date":"2024-08-09T01:51:23","date_gmt":"2024-08-08T17:51:23","guid":{"rendered":"https:\/\/crudepipes.com\/?p=5303"},"modified":"2024-08-09T04:50:26","modified_gmt":"2024-08-08T20:50:26","slug":"what-distinguishes-the-impact-resistance-of-api","status":"publish","type":"post","link":"https:\/\/crudepipes.com\/th\/what-distinguishes-the-impact-resistance-of-api\/","title":{"rendered":"\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d API \u0e41\u0e25\u0e30 ASTM \u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_50 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul 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\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e40\u0e1b\u0e23\u0e35\u0e22\u0e1a\u0e40\u0e17\u0e35\u0e22\u0e1a\u0e17\u0e48\u0e2d\u0e17\u0e35\u0e48\u0e1c\u0e25\u0e34\u0e15\u0e15\u0e32\u0e21\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 \u00a0API (American Petroleum Institute) \u0e41\u0e25\u0e30\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 ASTM (American Society for Testing and Materials) \u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e17\u0e35\u0e48\u0e2a\u0e38\u0e14\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e17\u0e35\u0e48\u0e21\u0e35\u0e2d\u0e34\u0e17\u0e18\u0e34\u0e1e\u0e25\u0e15\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e04\u0e37\u0e2d\u0e2d\u0e07\u0e04\u0e4c\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e02\u0e2d\u0e07\u0e27\u0e31\u0e2a\u0e14\u0e38 \u0e01\u0e32\u0e23\u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e04\u0e27\u0e32\u0e21\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e43\u0e19\u0e2d\u0e07\u0e04\u0e4c\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e02\u0e2d\u0e07\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e17\u0e48\u0e2d API \u0e41\u0e25\u0e30 ASTM \u0e08\u0e30\u0e43\u0e2b\u0e49\u0e02\u0e49\u0e2d\u0e21\u0e39\u0e25\u0e40\u0e0a\u0e34\u0e07\u0e25\u0e36\u0e01\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e38\u0e13\u0e04\u0e48\u0e32\u0e40\u0e01\u0e35\u0e48\u0e22\u0e27\u0e01\u0e31\u0e1a\u0e04\u0e38\u0e13\u0e25\u0e31\u0e01\u0e29\u0e13\u0e30\u0e14\u0e49\u0e32\u0e19\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\n\u0e17\u0e48\u0e2d API 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\u0e22\u0e31\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e15\u0e48\u0e2d\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e14\u0e49\u0e27\u0e22\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e08\u0e38\u0e25\u0e20\u0e32\u0e04\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e47\u0e01\n\u0e43\u0e19\u0e17\u0e32\u0e07\u0e15\u0e23\u0e07\u0e01\u0e31\u0e19\u0e02\u0e49\u0e32\u0e21 \u0e17\u0e48\u0e2d ASTM \u0e04\u0e23\u0e2d\u0e1a\u0e04\u0e25\u0e38\u0e21\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e41\u0e25\u0e30\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e17\u0e35\u0e48\u0e2b\u0e25\u0e32\u0e01\u0e2b\u0e25\u0e32\u0e22 \u0e0b\u0e36\u0e48\u0e07\u0e19\u0e33\u0e44\u0e1b\u0e2a\u0e39\u0e48 \u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e43\u0e0a\u0e49\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e17\u0e35\u0e48\u0e2b\u0e25\u0e32\u0e01\u0e2b\u0e25\u0e32\u0e22\u0e21\u0e32\u0e01\u0e02\u0e36\u0e49\u0e19 \u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 ASTM \u0e04\u0e23\u0e2d\u0e1a\u0e04\u0e25\u0e38\u0e21\u0e17\u0e48\u0e2d\u0e2b\u0e25\u0e32\u0e22\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17 \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e17\u0e48\u0e2d\u0e17\u0e35\u0e48\u0e17\u0e33\u0e08\u0e32\u0e01\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e01\u0e25\u0e49\u0e32\u0e04\u0e32\u0e23\u0e4c\u0e1a\u0e2d\u0e19 \u0e2a\u0e41\u0e15\u0e19\u0e40\u0e25\u0e2a \u0e41\u0e25\u0e30\u0e41\u0e21\u0e49\u0e41\u0e15\u0e48\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e1e\u0e25\u0e32\u0e2a\u0e15\u0e34\u0e01 \u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d ASTM \u0e2d\u0e32\u0e08\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e21\u0e32\u0e01\u0e02\u0e36\u0e49\u0e19\u0e2d\u0e22\u0e39\u0e48\u0e01\u0e31\u0e1a\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 ASTM \u0e41\u0e25\u0e30\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49 \u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e40\u0e0a\u0e48\u0e19 ASTM A53 \u0e0b\u0e36\u0e48\u0e07\u0e40\u0e1b\u0e47\u0e19\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e04\u0e32\u0e23\u0e4c\u0e1a\u0e2d\u0e19 \u0e2d\u0e32\u0e08\u0e44\u0e21\u0e48\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e44\u0e14\u0e49\u0e43\u0e19\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e40\u0e14\u0e35\u0e22\u0e27\u0e01\u0e31\u0e1a\u0e17\u0e48\u0e2d API 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\u0e40\u0e2a\u0e21\u0e2d\u0e44\u0e1b \napi  5CT N80-1 casing \u0e1c\u0e39\u0e49\u0e04\u0e49\u0e32\u0e2a\u0e48\u0e07\u0e08\u0e35\u0e19\u0e17\u0e35\u0e48\u0e14\u0e35\u0e17\u0e35\u0e48\u0e2a\u0e38\u0e14 \n\u0e22\u0e34\u0e48\u0e07\u0e01\u0e27\u0e48\u0e32\u0e19\u0e31\u0e49\u0e19 \u0e27\u0e34\u0e18\u0e35\u0e01\u0e32\u0e23\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49\u0e40\u0e1e\u0e37\u0e48\u0e2d \u0e01\u0e32\u0e23\u0e1b\u0e23\u0e30\u0e40\u0e21\u0e34\u0e19\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e15\u0e48\u0e2d\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e22\u0e31\u0e07\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 API \u0e41\u0e25\u0e30 ASTM \u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 API 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\u0e40\u0e2a\u0e21\u0e2d\u0e44\u0e1b \napi  5CT N80-1 casing \u0e1c\u0e39\u0e49\u0e04\u0e49\u0e32\u0e2a\u0e48\u0e07\u0e08\u0e35\u0e19\u0e17\u0e35\u0e48\u0e14\u0e35\u0e17\u0e35\u0e48\u0e2a\u0e38\u0e14 \n\u0e22\u0e34\u0e48\u0e07\u0e01\u0e27\u0e48\u0e32\u0e19\u0e31\u0e49\u0e19 \u0e27\u0e34\u0e18\u0e35\u0e01\u0e32\u0e23\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49\u0e40\u0e1e\u0e37\u0e48\u0e2d \u0e01\u0e32\u0e23\u0e1b\u0e23\u0e30\u0e40\u0e21\u0e34\u0e19\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e15\u0e48\u0e2d\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e22\u0e31\u0e07\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 API \u0e41\u0e25\u0e30 ASTM \u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 API \u0e21\u0e31\u0e01\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e14\u0e49\u0e27\u0e22\u0e42\u0e1b\u0e23\u0e42\u0e15\u0e04\u0e2d\u0e25\u0e01\u0e32\u0e23\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e17\u0e35\u0e48\u0e40\u0e02\u0e49\u0e21\u0e07\u0e27\u0e14\u0e0b\u0e36\u0e48\u0e07\u0e08\u0e33\u0e25\u0e2d\u0e07\u0e2a\u0e20\u0e32\u0e27\u0e30\u0e08\u0e23\u0e34\u0e07 \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e2b\u0e49\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e27\u0e48\u0e32\u0e17\u0e48\u0e2d\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e17\u0e35\u0e48\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e44\u0e14\u0e49\u0e42\u0e14\u0e22\u0e44\u0e21\u0e48\u0e40\u0e01\u0e34\u0e14\u0e02\u0e49\u0e2d\u0e1c\u0e34\u0e14\u0e1e\u0e25\u0e32\u0e14 \u0e01\u0e32\u0e23\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e2d\u0e32\u0e08\u0e40\u0e01\u0e35\u0e48\u0e22\u0e27\u0e02\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e41\u0e1a\u0e1a\u0e0a\u0e32\u0e23\u0e4c\u0e1b\u0e35 \u0e0b\u0e36\u0e48\u0e07\u0e27\u0e31\u0e14\u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e14\u0e39\u0e14\u0e0b\u0e31\u0e1a\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e01\u0e32\u0e23\u0e41\u0e15\u0e01\u0e2b\u0e31\u0e01 \u0e0b\u0e36\u0e48\u0e07\u0e40\u0e1b\u0e47\u0e19\u0e02\u0e49\u0e2d\u0e1a\u0e48\u0e07\u0e0a\u0e35\u0e49\u0e17\u0e35\u0e48\u0e0a\u0e31\u0e14\u0e40\u0e08\u0e19\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2b\u0e19\u0e35\u0e22\u0e27 \u0e43\u0e19\u0e17\u0e32\u0e07\u0e01\u0e25\u0e31\u0e1a\u0e01\u0e31\u0e19 \u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 ASTM \u0e2d\u0e32\u0e08\u0e21\u0e35\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e43\u0e19\u0e01\u0e32\u0e23\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e17\u0e35\u0e48\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19\u0e44\u0e1b \u0e02\u0e36\u0e49\u0e19\u0e2d\u0e22\u0e39\u0e48\u0e01\u0e31\u0e1a\u0e27\u0e31\u0e15\u0e16\u0e38\u0e1b\u0e23\u0e30\u0e2a\u0e07\u0e04\u0e4c\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d \u0e0b\u0e36\u0e48\u0e07\u0e2d\u0e32\u0e08\u0e19\u0e33\u0e44\u0e1b\u0e2a\u0e39\u0e48\u0e04\u0e27\u0e32\u0e21\u0e44\u0e21\u0e48\u0e2a\u0e2d\u0e14\u0e04\u0e25\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e43\u0e19\u0e01\u0e32\u0e23\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d ASTM \u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e15\u0e48\u0e32\u0e07\u0e46<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" 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\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e2d\u0e2d\u0e01\u0e41\u0e1a\u0e1a\u0e17\u0e32\u0e07\u0e27\u0e34\u0e28\u0e27\u0e01\u0e23\u0e23\u0e21\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e44\u0e14\u0e49 \u0e01\u0e32\u0e23\u0e21\u0e38\u0e48\u0e07\u0e40\u0e19\u0e49\u0e19\u0e42\u0e14\u0e22\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b\u0e44\u0e1b\u0e17\u0e35\u0e48\u0e04\u0e27\u0e32\u0e21\u0e40\u0e01\u0e48\u0e07\u0e01\u0e32\u0e08\u0e2b\u0e21\u0e32\u0e22\u0e04\u0e27\u0e32\u0e21\u0e27\u0e48\u0e32\u0e17\u0e48\u0e2d\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e2d\u0e32\u0e08\u0e44\u0e21\u0e48\u0e08\u0e31\u0e14\u0e25\u0e33\u0e14\u0e31\u0e1a\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e43\u0e19\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e40\u0e14\u0e35\u0e22\u0e27\u0e01\u0e31\u0e1a\u0e17\u0e48\u0e2d API \u0e40\u0e2a\u0e21\u0e2d\u0e44\u0e1b<br \/>\n<a href=\"\/tag\/api-5ct-n80\" target=\"_blank\"><strong><a href=\"\/tag\/api-5ct\" target=\"_blank\"><strong>api <strong> 5CT<\/strong><\/strong><\/a> <a href=\"\/tag\/n80\" target=\"_blank\"><strong>N80<\/strong><\/a><\/strong><\/a>-1 <a href=\"\/tag\/casing\" target=\"_blank\"><strong><a href=\"\/tag\/casing\" target=\"_blank\"><strong>casing<\/strong><\/a><\/strong><\/a> \u0e1c\u0e39\u0e49\u0e04\u0e49\u0e32\u0e2a\u0e48\u0e07\u0e08\u0e35\u0e19\u0e17\u0e35\u0e48\u0e14\u0e35\u0e17\u0e35\u0e48\u0e2a\u0e38\u0e14<br \/>\n\u0e22\u0e34\u0e48\u0e07\u0e01\u0e27\u0e48\u0e32\u0e19\u0e31\u0e49\u0e19 \u0e27\u0e34\u0e18\u0e35\u0e01\u0e32\u0e23\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e17\u0e35\u0e48\u0e43\u0e0a\u0e49\u0e40\u0e1e\u0e37\u0e48\u0e2d \u0e01\u0e32\u0e23\u0e1b\u0e23\u0e30\u0e40\u0e21\u0e34\u0e19\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e15\u0e48\u0e2d\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e22\u0e31\u0e07\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 API \u0e41\u0e25\u0e30 ASTM \u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 API \u0e21\u0e31\u0e01\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e14\u0e49\u0e27\u0e22\u0e42\u0e1b\u0e23\u0e42\u0e15\u0e04\u0e2d\u0e25\u0e01\u0e32\u0e23\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e17\u0e35\u0e48\u0e40\u0e02\u0e49\u0e21\u0e07\u0e27\u0e14\u0e0b\u0e36\u0e48\u0e07\u0e08\u0e33\u0e25\u0e2d\u0e07\u0e2a\u0e20\u0e32\u0e27\u0e30\u0e08\u0e23\u0e34\u0e07 \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e2b\u0e49\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e27\u0e48\u0e32\u0e17\u0e48\u0e2d\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e17\u0e35\u0e48\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e44\u0e14\u0e49\u0e42\u0e14\u0e22\u0e44\u0e21\u0e48\u0e40\u0e01\u0e34\u0e14\u0e02\u0e49\u0e2d\u0e1c\u0e34\u0e14\u0e1e\u0e25\u0e32\u0e14 \u0e01\u0e32\u0e23\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e2d\u0e32\u0e08\u0e40\u0e01\u0e35\u0e48\u0e22\u0e27\u0e02\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e41\u0e1a\u0e1a\u0e0a\u0e32\u0e23\u0e4c\u0e1b\u0e35 \u0e0b\u0e36\u0e48\u0e07\u0e27\u0e31\u0e14\u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e14\u0e39\u0e14\u0e0b\u0e31\u0e1a\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e01\u0e32\u0e23\u0e41\u0e15\u0e01\u0e2b\u0e31\u0e01 \u0e0b\u0e36\u0e48\u0e07\u0e40\u0e1b\u0e47\u0e19\u0e02\u0e49\u0e2d\u0e1a\u0e48\u0e07\u0e0a\u0e35\u0e49\u0e17\u0e35\u0e48\u0e0a\u0e31\u0e14\u0e40\u0e08\u0e19\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2b\u0e19\u0e35\u0e22\u0e27 \u0e43\u0e19\u0e17\u0e32\u0e07\u0e01\u0e25\u0e31\u0e1a\u0e01\u0e31\u0e19 \u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 ASTM \u0e2d\u0e32\u0e08\u0e21\u0e35\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e43\u0e19\u0e01\u0e32\u0e23\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e17\u0e35\u0e48\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19\u0e44\u0e1b \u0e02\u0e36\u0e49\u0e19\u0e2d\u0e22\u0e39\u0e48\u0e01\u0e31\u0e1a\u0e27\u0e31\u0e15\u0e16\u0e38\u0e1b\u0e23\u0e30\u0e2a\u0e07\u0e04\u0e4c\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d \u0e0b\u0e36\u0e48\u0e07\u0e2d\u0e32\u0e08\u0e19\u0e33\u0e44\u0e1b\u0e2a\u0e39\u0e48\u0e04\u0e27\u0e32\u0e21\u0e44\u0e21\u0e48\u0e2a\u0e2d\u0e14\u0e04\u0e25\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e43\u0e19\u0e01\u0e32\u0e23\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d ASTM \u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e15\u0e48\u0e32\u0e07\u0e46<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\n\u0e42\u0e14\u0e22\u0e2a\u0e23\u0e38\u0e1b \u0e2d\u0e07\u0e04\u0e4c\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d API \u0e41\u0e25\u0e30 ASTM \u0e21\u0e35\u0e1a\u0e17\u0e1a\u0e32\u0e17\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e32\u0e23\u0e1e\u0e34\u0e08\u0e32\u0e23\u0e13\u0e32\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01 \u0e17\u0e48\u0e2d API \u0e0b\u0e36\u0e48\u0e07\u0e21\u0e38\u0e48\u0e07\u0e40\u0e19\u0e49\u0e19\u0e44\u0e1b\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e01\u0e25\u0e49\u0e32\u0e04\u0e32\u0e23\u0e4c\u0e1a\u0e2d\u0e19\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e23\u0e07\u0e2a\u0e39\u0e07\u0e41\u0e25\u0e30\u0e2d\u0e07\u0e04\u0e4c\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e42\u0e25\u0e2b\u0e30\u0e1c\u0e2a\u0e21\u0e40\u0e09\u0e1e\u0e32\u0e30 \u0e44\u0e14\u0e49\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e2d\u0e2d\u0e01\u0e41\u0e1a\u0e1a\u0e21\u0e32\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e25\u0e34\u0e28\u0e43\u0e19\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e39\u0e07 \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e20\u0e32\u0e04\u0e2a\u0e48\u0e27\u0e19\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e43\u0e19\u0e17\u0e32\u0e07\u0e01\u0e25\u0e31\u0e1a\u0e01\u0e31\u0e19 \u0e17\u0e48\u0e2d ASTM \u0e19\u0e33\u0e40\u0e2a\u0e19\u0e2d\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e2b\u0e25\u0e32\u0e01\u0e2b\u0e25\u0e32\u0e22 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\u0e01\u0e32\u0e23\u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e04\u0e27\u0e32\u0e21\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e16\u0e37\u0e2d\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e27\u0e34\u0e28\u0e27\u0e01\u0e23\u0e41\u0e25\u0e30\u0e1c\u0e39\u0e49\u0e40\u0e0a\u0e35\u0e48\u0e22\u0e27\u0e0a\u0e32\u0e0d\u0e43\u0e19\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e17\u0e48\u0e2d\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21\u0e01\u0e31\u0e1a\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e02\u0e2d\u0e07\u0e15\u0e19 \u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e2b\u0e49\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e27\u0e48\u0e32\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e17\u0e35\u0e48\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e40\u0e04\u0e23\u0e35\u0e22\u0e14\u0e41\u0e25\u0e30\u0e1c\u0e25\u0e01\u0e23\u0e30\u0e17\u0e1a\u0e17\u0e35\u0e48\u0e04\u0e32\u0e14\u0e01\u0e32\u0e23\u0e13\u0e4c\u0e44\u0e27\u0e49\u0e15\u0e25\u0e2d\u0e14\u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19 \u0e17\u0e49\u0e32\u0e22\u0e17\u0e35\u0e48\u0e2a\u0e38\u0e14\u0e41\u0e25\u0e49\u0e27 \u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e17\u0e48\u0e2d API \u0e41\u0e25\u0e30\u0e17\u0e48\u0e2d ASTM 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\u0e08\u0e38\u0e14\u0e21\u0e38\u0e48\u0e07\u0e40\u0e19\u0e49\u0e19 \u0e41\u0e25\u0e30\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e02\u0e2d\u0e07\u0e41\u0e15\u0e48\u0e25\u0e30\u0e23\u0e32\u0e22\u0e01\u0e32\u0e23\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e19\u0e33\u0e44\u0e1b\u0e2a\u0e39\u0e48\u0e04\u0e27\u0e32\u0e21\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e17\u0e35\u0e48\u0e21\u0e35\u0e19\u0e31\u0e22\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e1c\u0e25\u0e25\u0e31\u0e1e\u0e18\u0e4c\u0e14\u0e49\u0e32\u0e19\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e44\u0e14\u0e49 \u0e01\u0e32\u0e23\u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e04\u0e27\u0e32\u0e21\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e40\u0e1b\u0e47\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e27\u0e34\u0e28\u0e27\u0e01\u0e23\u0e41\u0e25\u0e30\u0e1c\u0e39\u0e49\u0e40\u0e0a\u0e35\u0e48\u0e22\u0e27\u0e0a\u0e32\u0e0d\u0e14\u0e49\u0e32\u0e19\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e17\u0e35\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e08\u0e31\u0e14\u0e01\u0e32\u0e23\u0e01\u0e31\u0e1a\u0e04\u0e27\u0e32\u0e21\u0e0b\u0e31\u0e1a\u0e0b\u0e49\u0e2d\u0e19\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e43\u0e0a\u0e49\u0e27\u0e31\u0e2a\u0e14\u0e38 \u0e41\u0e25\u0e30\u0e23\u0e31\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e31\u0e19\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e19\u0e48\u0e32\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e02\u0e2d\u0e07\u0e23\u0e30\u0e1a\u0e1a \u0e14\u0e49\u0e27\u0e22\u0e01\u0e32\u0e23\u0e1e\u0e34\u0e08\u0e32\u0e23\u0e13\u0e32\u0e1c\u0e25\u0e01\u0e23\u0e30\u0e17\u0e1a\u0e02\u0e2d\u0e07\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e01\u0e32\u0e23\u0e17\u0e14\u0e2a\u0e2d\u0e1a\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e23\u0e2d\u0e1a\u0e04\u0e2d\u0e1a \u0e1c\u0e39\u0e49\u0e21\u0e35\u0e2a\u0e48\u0e27\u0e19\u0e44\u0e14\u0e49\u0e2a\u0e48\u0e27\u0e19\u0e40\u0e2a\u0e35\u0e22\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e15\u0e31\u0e14\u0e2a\u0e34\u0e19\u0e43\u0e08\u0e42\u0e14\u0e22\u0e21\u0e35\u0e02\u0e49\u0e2d\u0e21\u0e39\u0e25\u0e04\u0e23\u0e1a\u0e16\u0e49\u0e27\u0e19\u0e0b\u0e36\u0e48\u0e07\u0e2a\u0e2d\u0e14\u0e04\u0e25\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e1a\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e02\u0e2d\u0e07\u0e15\u0e19 \u0e0b\u0e36\u0e48\u0e07\u0e08\u0e30\u0e0a\u0e48\u0e27\u0e22\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e21\u0e1a\u0e39\u0e23\u0e13\u0e4c\u0e41\u0e25\u0e30\u0e2d\u0e32\u0e22\u0e38\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e23\u0e30\u0e1a\u0e1a\u0e17\u0e48\u0e2d\u0e43\u0e19\u0e17\u0e49\u0e32\u0e22\u0e17\u0e35\u0e48\u0e2a\u0e38\u0e14<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"API 5CT K55 Casing Tubing Specification\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/5o6I6GPiYs8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>\nAPI standards are primarily designed for the <a href=\"\/tag\/oil-and-gas\" target=\"_blank\"><strong>Oil and Gas<\/strong><\/a> industry, focusing on the specific requirements and challenges faced in this sector. The API standards encompass a range of testing protocols that evaluate the mechanical properties of pipes, including their ability to withstand impact forces. One of the key methodologies employed by API involves the Charpy impact test, which measures the energy absorbed by a material during fracture. This test is particularly relevant for assessing the toughness of materials used in environments where they may be subjected to sudden impacts or extreme conditions. The results from the Charpy test provide valuable insights into the ductility and resilience of the <a href=\"\/tag\/pipe\" target=\"_blank\"><strong>Pipe<\/strong><\/a> material, which are essential for ensuring the integrity of <a href=\"\/tag\/pipelines\" target=\"_blank\"><strong>pipelines<\/strong><\/a> in high-stress situations.<\/p>\n<p>In contrast, ASTM standards cover a broader spectrum of materials and applications, providing guidelines that are applicable across various industries, including construction, manufacturing, and transportation. ASTM&#8217;s approach to testing impact resistance also includes the Charpy impact test, but it may incorporate additional methodologies that reflect the diverse range of materials and conditions encountered in different applications. For instance, ASTM standards may specify variations in test temperature, specimen size, and testing speed, which can significantly influence the results. This flexibility allows for a more comprehensive evaluation of a material&#8217;s performance under varying conditions, thereby providing a more nuanced understanding of its impact resistance.<\/p>\n<p>Moreover, the differences in the scope and focus of API and ASTM standards can lead to variations in the interpretation of impact resistance results. API standards are often more stringent, reflecting the high stakes involved in oil and gas operations, where failures can result in catastrophic consequences. Consequently, pipes that meet API standards may exhibit superior impact resistance compared to those that comply solely with ASTM standards. This distinction is particularly important for engineers and decision-<a href=\"\/tag\/makers\" target=\"_blank\"><strong>Makers<\/strong><\/a> who must select materials that not only meet regulatory requirements but also ensure safety and reliability in demanding environments.<\/p>\n<p>Furthermore, the testing environments and conditions specified by API and ASTM can also differ significantly. API testing may simulate the extreme conditions found in offshore drilling or high-pressure gas transmission, while ASTM testing might focus on more generalized conditions applicable to a wider range of applications. This divergence in testing scenarios can lead to different performance outcomes, emphasizing the importance of selecting the appropriate standard based on the specific application and environmental factors.<\/p>\n<p>In conclusion, the impact resistance of pipes is influenced by the testing standards and methodologies established by organizations such as API and ASTM. While both standards utilize similar testing techniques, the context, focus, and specific requirements of each can lead to significant differences in performance outcomes. Understanding these distinctions is crucial for engineers and industry professionals who must navigate the complexities of material selection and ensure the safety and reliability of their systems. By carefully considering the implications of these testing standards, stakeholders can make informed decisions that align with the demands of their specific applications, ultimately enhancing the integrity and longevity of their piping systems.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e02\u0e2d\u0e07\u0e17\u0e48\u0e2d\u0e40\u0e1b\u0e47\u0e19\u0e1b\u0e31\u0e08\u0e08\u0e31\u0e22\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e43\u0e19\u0e01\u0e32\u0e23\u0e1e\u0e34\u0e08\u0e32\u0e23\u0e13\u0e32\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e42\u0e14\u0e22\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e22\u0e34\u0e48\u0e07\u0e43\u0e19\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e40\u0e0a\u0e48\u0e19 \u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b \u0e01\u0e32\u0e23\u0e01\u0e48\u0e2d\u0e2a\u0e23\u0e49\u0e32\u0e07 \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15 \u0e40\u0e21\u0e37\u0e48\u0e2d\u0e40\u0e1b\u0e23\u0e35\u0e22\u0e1a\u0e40\u0e17\u0e35\u0e22\u0e1a\u0e17\u0e48\u0e2d\u0e17\u0e35\u0e48\u0e1c\u0e25\u0e34\u0e15\u0e15\u0e32\u0e21\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 \u00a0<strong>\u00a0API<\/strong> (American Petroleum Institute) \u0e41\u0e25\u0e30\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 ASTM (American Society for Testing and Materials) \u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e17\u0e35\u0e48\u0e2a\u0e38\u0e14\u0e1b\u0e23\u0e30\u0e01\u0e32\u0e23\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e17\u0e35\u0e48\u0e21\u0e35\u0e2d\u0e34\u0e17\u0e18\u0e34\u0e1e\u0e25\u0e15\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e41\u0e23\u0e07\u0e01\u0e23\u0e30\u0e41\u0e17\u0e01\u0e04\u0e37\u0e2d\u0e2d\u0e07\u0e04\u0e4c\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e02\u0e2d\u0e07\u0e27\u0e31\u0e2a\u0e14\u0e38 \u0e01\u0e32\u0e23\u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e04\u0e27\u0e32\u0e21\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e43\u0e19\u0e2d\u0e07\u0e04\u0e4c\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e02\u0e2d\u0e07\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e17\u0e48\u0e2d API \u0e41\u0e25\u0e30 ASTM 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