Сталь. Неразрушающий контроль механических свойств и микроструктуры металлопродукции магнитным методом
钢 通过磁法对钢铁产品的机械性能和微观结构进行非破坏性试验
1996-10-04
GB/T 25774.2-2023
焊接材料的检验 第2部分：钢的单面单道焊和双面单道焊焊接接头力学性能试样的制备
Test methods for welding consumables—Part 2: Preparation of butt weld single-run and two-run technique test pieces and specimens for mechanical properties in steel
2023-11-27
GB/T 25774.1-2023
焊接材料的检验 第1部分： 钢、镍及镍合金熔敷金属力学性能试样的制备
Test methods for welding consumables—Part 1: Preparation of deposited metal test pieces and specimens for mechanical properties in steel,nickel and nickel alloys