Gb T 16270 Pdf 'link' Jun 2026

The primary purpose of GB/T 16270 is to govern heavy structural steel plates subjected to a heat treatment cycle of . This specific metallurgical process ensures an optimized balance between high tensile yield strength and superior low-temperature impact toughness. Major Updates: 1996 vs. 2009 Editions

The 2009 revision introduced several significant changes:

: A letter indicating the steel's low-temperature Charpy V-notch impact toughness threshold. Overview of Common Grades GB/T 16270-2009 English PDF gb t 16270 pdf

International projects often require swapping GB/T 16270 grades with equivalent regional standards. Chinese Standard (GB/T 16270) European Equivalent (EN 10025) American Equivalent (ASTM) A572 Grade 65 Q550D A514 Grade P Q690D A514 Grade F 📥 How to Access the Official GB/T 16270 PDF

High strength structural steel plates and strips Chinese Name: 高强度结构用调质钢板 Current Status: The active version is GB/T 16270-2009 (Replacing GB/T 16270-1996). The primary purpose of GB/T 16270 is to

Added for grain refinement and hardenability during the quenching process.

Q690: The industry standard for mobile cranes, offshore platforms, and mining equipment. Added for grain refinement and hardenability during the

The standard is applicable to steel plates with a thickness not exceeding 150 mm .