{"id":1294,"date":"2024-02-21T09:40:20","date_gmt":"2024-02-21T02:40:20","guid":{"rendered":"https:\/\/leongjin.co.th\/?page_id=1294"},"modified":"2024-09-19T09:01:37","modified_gmt":"2024-09-19T02:01:37","slug":"extra-high-tensile-steel-plate","status":"publish","type":"page","link":"https:\/\/leongjin.co.th\/en\/products\/plate-steel\/extra-high-tensile-steel-plate\/","title":{"rendered":"Ultra-high tensile steel"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"1294\" class=\"elementor elementor-1294\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-221d26ff e-con-full e-flex e-con e-parent\" data-id=\"221d26ff\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-70ba1d2b e-con-full e-flex e-con e-child\" data-id=\"70ba1d2b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1fd6dfc0 elementor-widget elementor-widget-heading\" data-id=\"1fd6dfc0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Ultra-high tensile steel<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-44b74003 e-flex e-con-boxed e-con e-parent\" data-id=\"44b74003\" 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-73886a1 elementor-widget elementor-widget-heading\" data-id=\"73886a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Ultra-high tensile steel<\/h2>\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-4d8848ae e-flex e-con-boxed e-con e-parent\" data-id=\"4d8848ae\" 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-4fac303e elementor-widget elementor-widget-text-editor\" data-id=\"4fac303e\" 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<h3>Why is it called ultra-high tensile steel?<\/h3><p>Ultra-high tensile steel is a type of alloy steel that is known for its very high yield point tensile strength, typically above 690MPa. This makes it possible to withstand a large amount of stress without deformation or permanent damage. The high yield point tensile strength is due to the addition of alloys such as chromium, molybdenum, silicon, manganese, nickel and vanadium, which improves the tensile strength and durability of steel.<\/p><p>Ultra-high tensile steel with yield strength of not less than 690MPa It can be produced through two different processes: Quenched &amp; Tempered and Thermo Mechanical Control Process (TMCP). Both processes aim to increase the strength and ductility of steel. But different methods are used to achieve these properties.<\/p><ul><li>Ultra High Tensile Steel, Quenched &amp; Tempered: This process involves heating the steel to high temperatures. Hardening produces an unstable martensite structure, and subsequent restoration adjusts the unstable martensite to be more stable, thus achieving the desired level of hardness and toughness. Leong Jin has the grade JFE-Hiten780LE available.<\/li><li>Ultra-high tensile steel with a Thermo Mechanical Control Process (TMCP): TMCP is a process that combines controlled rolling with controlled cooling to produce steel with a fine microstructure. The steel is rolled at high temperatures and then cooled down rapidly. This process resizes the grain and increases the strength and toughness of the steel without the need for additional heating or restoration. TMCP steels usually have good weld ability and formability due to their improved microstructure. Leong Jin has PERFORM700 grades available.<\/li><\/ul><p>The main differences between Q&amp;T and TMCP steels are:<\/p><ul><li>Microstructure: Q&amp;T steels have a martensitic microstructure, while TMCP steels have a fine ferrite or bainite microstructure.<\/li><li>Production Process: Q&amp;T It involves the post-rolling heat hardening process, while TMCP incorporates heat hardening during the rolling process.<\/li><li>Features: Both processes aim to improve strength and ductility, but TMCP steels also focus on good weld ability and formability.<\/li><li>Applications: Q&amp;T steels are often used in applications that require high wear resistance. While TMCP steel is suitable for structures that require good toughness at low temperatures.<\/li><\/ul><p>Both types of steel are used in applications that require high strength and durability, such as in construction. The choice between Q&amp;T and TMCP will depend on the specific requirements of the application, including mechanical properties, weld ability, and cost considerations.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-44cd3fd2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"44cd3fd2\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4e5976e7\" data-id=\"4e5976e7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-3c472d87 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3c472d87\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-inner-column elementor-element elementor-element-38e5f1be\" data-id=\"38e5f1be\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2095b45 elementor-widget elementor-widget-image\" data-id=\"2095b45\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"225\" height=\"225\" src=\"https:\/\/leongjin.co.th\/wp-content\/uploads\/PERFORM700.webp\" class=\"attachment-full size-full wp-image-6733\" alt=\"PERFORM 700\" srcset=\"https:\/\/leongjin.co.th\/wp-content\/uploads\/PERFORM700.webp 225w, https:\/\/leongjin.co.th\/wp-content\/uploads\/PERFORM700-150x150.webp 150w\" sizes=\"(max-width: 225px) 100vw, 225px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47c53bcf elementor-widget elementor-widget-image-box\" data-id=\"47c53bcf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h5 class=\"elementor-image-box-title\"><a href=\"https:\/\/leongjin.co.th\/en\/products\/plate-steel\/extra-high-tensile-steel-plate\/perform-700\/\">PERFORM700<\/a><\/h5><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-inner-column elementor-element elementor-element-644dda3b\" data-id=\"644dda3b\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-22597ac1 elementor-widget elementor-widget-image\" data-id=\"22597ac1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"225\" height=\"225\" src=\"https:\/\/leongjin.co.th\/wp-content\/uploads\/JFE-HITEN-780-LE.webp\" class=\"attachment-large size-large wp-image-4118\" alt=\"JFE-HITEN-780-LE\" srcset=\"https:\/\/leongjin.co.th\/wp-content\/uploads\/JFE-HITEN-780-LE.webp 225w, https:\/\/leongjin.co.th\/wp-content\/uploads\/JFE-HITEN-780-LE-150x150.webp 150w\" sizes=\"(max-width: 225px) 100vw, 225px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1699bff5 elementor-widget elementor-widget-image-box\" data-id=\"1699bff5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h5 class=\"elementor-image-box-title\"><a href=\"https:\/\/leongjin.co.th\/en\/products\/plate-steel\/extra-high-tensile-steel-plate\/jfe-hiten-780le\/\">JFE-HITEN780LE<\/a><\/h5><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-inner-column elementor-element elementor-element-1d0d2e79\" data-id=\"1d0d2e79\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-62166689 elementor-widget elementor-widget-image\" data-id=\"62166689\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"225\" height=\"225\" src=\"https:\/\/leongjin.co.th\/wp-content\/uploads\/lifehi.webp\" class=\"attachment-large size-large wp-image-11096\" alt=\"lifehi700\" srcset=\"https:\/\/leongjin.co.th\/wp-content\/uploads\/lifehi.webp 225w, https:\/\/leongjin.co.th\/wp-content\/uploads\/lifehi-150x150.webp 150w, https:\/\/leongjin.co.th\/wp-content\/uploads\/lifehi-12x12.webp 12w\" sizes=\"(max-width: 225px) 100vw, 225px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-667eaa61 elementor-widget elementor-widget-image-box\" data-id=\"667eaa61\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h5 class=\"elementor-image-box-title\"><a href=\"https:\/\/leongjin.co.th\/en\/products\/plate-steel\/extra-high-tensile-steel-plate\/lifthi-700\/\">LIFTHI700<\/a><\/h5><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-inner-column elementor-element elementor-element-355f398e\" data-id=\"355f398e\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-929cb5c e-flex e-con-boxed e-con e-parent\" data-id=\"929cb5c\" 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-37a8cf6 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"37a8cf6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/leongjin.co.th\/en\/products\/plate-steel\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Back<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\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\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e01\u0e25\u0e49\u0e32\u0e23\u0e31\u0e1a\u0e41\u0e23\u0e07\u0e14\u0e36\u0e07\u0e2a\u0e39\u0e07\u0e1e\u0e34\u0e40\u0e28\u0e29 \u0e40\u0e2b\u0e25\u0e47\u0e01\u0e01\u0e25\u0e49\u0e32\u0e23\u0e31\u0e1a\u0e41\u0e23\u0e07\u0e14\u0e36\u0e07\u0e2a\u0e39\u0e07\u0e1e\u0e34\u0e40\u0e28\u0e29 \u0e17\u0e33\u0e44\u0e21\u0e08\u0e36\u0e07\u0e40\u0e23\u0e35\u0e22\u0e01\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e01\u0e25\u0e49\u0e32\u0e23\u0e31\u0e1a\u0e41\u0e23\u0e07\u0e14\u0e36\u0e07\u0e2a\u0e39\u0e07\u0e1e\u0e34\u0e40\u0e28\u0e29 \u0e40\u0e2b\u0e25\u0e47\u0e01\u0e01\u0e25\u0e49\u0e32\u0e23\u0e31\u0e1a\u0e41\u0e23\u0e07\u0e14\u0e36\u0e07\u0e2a\u0e39\u0e07\u0e1e\u0e34\u0e40\u0e28\u0e29\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e2d\u0e31\u0e25\u0e25\u0e2d\u0e22\u0e14\u0e4c\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e17\u0e35\u0e48\u0e02\u0e36\u0e49\u0e19\u0e0a\u0e37\u0e48\u0e2d\u0e43\u0e19\u0e40\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e41\u0e23\u0e07\u0e14\u0e36\u0e07 \u0e13 \u0e08\u0e38\u0e14\u0e04\u0e25\u0e32\u0e01(Yield Point)\u0e17\u0e35\u0e48\u0e2a\u0e39\u0e07\u0e21\u0e32\u0e01 \u0e0b\u0e36\u0e48\u0e07\u0e42\u0e14\u0e22\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b\u0e08\u0e30\u0e2a\u0e39\u0e07\u0e01\u0e27\u0e48\u0e32690MPa \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e17\u0e19\u0e15\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e40\u0e04\u0e23\u0e35\u0e22\u0e14\u0e08\u0e33\u0e19\u0e27\u0e19\u0e21\u0e32\u0e01\u0e44\u0e14\u0e49\u0e42\u0e14\u0e22\u0e44\u0e21\u0e48\u0e40\u0e2a\u0e35\u0e22\u0e23\u0e39\u0e1b\u0e2b\u0e23\u0e37\u0e2d\u0e40\u0e2a\u0e35\u0e22\u0e2b\u0e32\u0e22\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e16\u0e32\u0e27\u0e23 \u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e41\u0e23\u0e07\u0e14\u0e36\u0e07 \u0e13 \u0e08\u0e38\u0e14\u0e04\u0e25\u0e32\u0e01(Yield Point)\u0e17\u0e35\u0e48\u0e2a\u0e39\u0e07\u0e40\u0e01\u0e34\u0e14\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e40\u0e15\u0e34\u0e21\u0e18\u0e32\u0e15\u0e38\u0e42\u0e25\u0e2b\u0e30\u0e1c\u0e2a\u0e21\u0e15\u0e48\u0e32\u0e07\u0e46 \u0e40\u0e0a\u0e48\u0e19 \u0e42\u0e04\u0e23\u0e40\u0e21\u0e35\u0e22\u0e21 \u0e42\u0e21\u0e25\u0e34\u0e1a\u0e14\u0e35\u0e19\u0e31\u0e21 \u0e0b\u0e34\u0e25\u0e34\u0e04\u0e2d\u0e19 \u0e41\u0e21\u0e07\u0e01\u0e32\u0e19\u0e35\u0e2a \u0e19\u0e34\u0e01\u0e40\u0e01\u0e34\u0e25 \u0e41\u0e25\u0e30\u0e27\u0e32\u0e19\u0e32\u0e40\u0e14\u0e35\u0e22\u0e21 \u0e0b\u0e36\u0e48\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e41\u0e23\u0e07\u0e14\u0e36\u0e07\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e47\u0e01 \u0e40\u0e2b\u0e25\u0e47\u0e01\u0e01\u0e25\u0e49\u0e32\u0e23\u0e31\u0e1a\u0e41\u0e23\u0e07\u0e14\u0e36\u0e07\u0e2a\u0e39\u0e07\u0e1e\u0e34\u0e40\u0e28\u0e29 \u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e48\u0e32Yield Strength\u0e44\u0e21\u0e48\u0e15\u0e48\u0e33\u0e01\u0e27\u0e48\u0e32690MPa \u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e1c\u0e25\u0e34\u0e15\u0e44\u0e14\u0e49\u0e1c\u0e48\u0e32\u0e19\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e17\u0e35\u0e48\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19 2 \u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e04\u0e37\u0e2d \u0e01\u0e32\u0e23\u0e2d\u0e1a\u0e0a\u0e38\u0e1a\u0e41\u0e02\u0e47\u0e07\u0e41\u0e25\u0e30\u0e04\u0e37\u0e19\u0e44\u0e1f (Quenched&amp;Tempered) \u0e41\u0e25\u0e30\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e14\u0e49\u0e27\u0e22\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e41\u0e25\u0e30\u0e1a\u0e35\u0e1a\u0e2d\u0e31\u0e14\u0e17\u0e35\u0e48\u0e40\u0e23\u0e35\u0e22\u0e01\u0e27\u0e48\u0e32Thermo Mechanical Control Process(TMCP) \u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e17\u0e31\u0e49\u0e07\u0e2a\u0e2d\u0e07\u0e21\u0e35\u0e40\u0e1b\u0e49\u0e32\u0e2b\u0e21\u0e32\u0e22\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e23\u0e07\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2b\u0e19\u0e35\u0e22\u0e27\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e47\u0e01 \u0e41\u0e15\u0e48\u0e43\u0e0a\u0e49\u0e27\u0e34\u0e18\u0e35\u0e01\u0e32\u0e23\u0e17\u0e35\u0e48\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e43\u0e2b\u0e49\u0e44\u0e14\u0e49\u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49 \u0e40\u0e2b\u0e25\u0e47\u0e01\u0e01\u0e25\u0e49\u0e32\u0e23\u0e31\u0e1a\u0e41\u0e23\u0e07\u0e14\u0e36\u0e07\u0e2a\u0e39\u0e07\u0e1e\u0e34\u0e40\u0e28\u0e29\u0e01\u0e32\u0e23\u0e0a\u0e38\u0e1a\u0e41\u0e02\u0e47\u0e07\u0e41\u0e25\u0e30\u0e04\u0e37\u0e19\u0e44\u0e1f(Quenched&amp;Tempered): \u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e19\u0e35\u0e49\u0e40\u0e01\u0e35\u0e48\u0e22\u0e27\u0e02\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e2b\u0e49\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e17\u0e35\u0e48\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e2a\u0e39\u0e07 \u0e08\u0e32\u0e01\u0e19\u0e31\u0e49\u0e19\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e22\u0e47\u0e19\u0e25\u0e07\u0e43\u0e19\u0e19\u0e49\u0e33\u0e2b\u0e23\u0e37\u0e2d\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e23\u0e27\u0e14\u0e40\u0e23\u0e47\u0e27 (\u0e01\u0e32\u0e23\u0e0a\u0e38\u0e1a\u0e41\u0e02\u0e47\u0e07) \u0e15\u0e32\u0e21\u0e14\u0e49\u0e27\u0e22\u0e01\u0e32\u0e23\u0e43\u0e2b\u0e49\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e0b\u0e49\u0e33\u0e17\u0e35\u0e48\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e15\u0e48\u0e33\u0e25\u0e07\u0e41\u0e25\u0e30\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e22\u0e47\u0e19\u0e25\u0e07\u0e43\u0e19\u0e2d\u0e31\u0e15\u0e23\u0e32\u0e17\u0e35\u0e48\u0e0a\u0e49\u0e32\u0e25\u0e07 (\u0e01\u0e32\u0e23\u0e04\u0e37\u0e19\u0e44\u0e1f) \u0e01\u0e32\u0e23\u0e0a\u0e38\u0e1a\u0e41\u0e02\u0e47\u0e07\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e01\u0e34\u0e14\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e21\u0e32\u0e23\u0e4c\u0e40\u0e17\u0e19\u0e44\u0e0b\u0e15\u0e4c\u0e17\u0e35\u0e48\u0e22\u0e31\u0e07\u0e44\u0e21\u0e48\u0e40\u0e2a\u0e16\u0e35\u0e22\u0e23 \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e04\u0e37\u0e19\u0e44\u0e1f\u0e43\u0e19\u0e20\u0e32\u0e22\u0e2b\u0e25\u0e31\u0e07\u0e08\u0e30\u0e1b\u0e23\u0e31\u0e1a\u0e21\u0e32\u0e23\u0e4c\u0e40\u0e17\u0e19\u0e44\u0e0b\u0e15\u0e4c\u0e17\u0e35\u0e48\u0e22\u0e31\u0e07\u0e44\u0e21\u0e48\u0e40\u0e2a\u0e16\u0e35\u0e22\u0e23\u0e43\u0e2b\u0e49\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e16\u0e35\u0e22\u0e23\u0e21\u0e32\u0e01\u0e02\u0e36\u0e49\u0e19\u0e08\u0e36\u0e07\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2b\u0e19\u0e35\u0e22\u0e27\u0e02\u0e2d\u0e07\u0e2d\u0e22\u0e39\u0e48\u0e43\u0e19\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e17\u0e35\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23 \u0e25\u0e35\u0e2d\u0e2d\u0e07\u0e08\u0e34\u0e19\u0e21\u0e35\u0e40\u0e01\u0e23\u0e14 JFE-Hiten780LE\u0e44\u0e27\u0e49\u0e43\u0e2b\u0e49\u0e1a\u0e23\u0e34\u0e01\u0e32\u0e23 \u0e40\u0e2b\u0e25\u0e47\u0e01\u0e01\u0e25\u0e49\u0e32\u0e23\u0e31\u0e1a\u0e41\u0e23\u0e07\u0e14\u0e36\u0e07\u0e2a\u0e39\u0e07\u0e1e\u0e34\u0e40\u0e28\u0e29\u0e17\u0e35\u0e48\u0e1c\u0e48\u0e32\u0e19\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23Thermo Mechanical Cnrol Process(TMCP): TMCP \u0e40\u0e1b\u0e47\u0e19\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e17\u0e35\u0e48\u0e1c\u0e2a\u0e21\u0e1c\u0e2a\u0e32\u0e19\u0e01\u0e32\u0e23\u0e23\u0e35\u0e14\u0e41\u0e1a\u0e1a\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e40\u0e02\u0e49\u0e32\u0e01\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e17\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e2b\u0e25\u0e47\u0e01\u0e40\u0e22\u0e47\u0e19\u0e15\u0e31\u0e27\u0e25\u0e07\u0e41\u0e1a\u0e1a\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e1c\u0e25\u0e34\u0e15\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e17\u0e35\u0e48\u0e21\u0e35\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e08\u0e38\u0e25\u0e20\u0e32\u0e04\u0e17\u0e35\u0e48\u0e25\u0e30\u0e40\u0e2d\u0e35\u0e22\u0e14 \u0e40\u0e2b\u0e25\u0e47\u0e01\u0e16\u0e39\u0e01\u0e23\u0e35\u0e14\u0e17\u0e35\u0e48\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34\u0e2a\u0e39\u0e07\u0e41\u0e25\u0e49\u0e27\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e22\u0e47\u0e19\u0e25\u0e07\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e23\u0e27\u0e14\u0e40\u0e23\u0e47\u0e27 \u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e19\u0e35\u0e49\u0e08\u0e30\u0e1b\u0e23\u0e31\u0e1a\u0e02\u0e19\u0e32\u0e14\u0e40\u0e01\u0e23\u0e19\u0e41\u0e25\u0e30\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e41\u0e02\u0e47\u0e07\u0e41\u0e23\u0e07\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2b\u0e19\u0e35\u0e22\u0e27\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e47\u0e01\u0e42\u0e14\u0e22\u0e44\u0e21\u0e48\u0e08\u0e33\u0e40\u0e1b\u0e47\u0e19\u0e15\u0e49\u0e2d\u0e07\u0e43\u0e2b\u0e49\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e40\u0e15\u0e34\u0e21\u0e2b\u0e23\u0e37\u0e2d\u0e01\u0e32\u0e23\u0e04\u0e37\u0e19\u0e44\u0e1f \u0e40\u0e2b\u0e25\u0e47\u0e01\u0e01\u0e25\u0e49\u0e32 TMCP 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