GB/T 25774.1-2023 Examination of welding materials Part 1: Preparation of mechanical properties specimens of steel, nickel and nickel alloy deposited metals (English Version)
2023GB/T 25774.1-2023 Examination of welding materials Part 1: Preparation of mechanical properties specimens of steel, nickel and nickel alloy deposited metals
2010GB/T 25774.1-2010 Test methods for welding consumables.Part 1:Preparation and testing of deposited metal speciments for mechanical properties in steel,nickel and nickel alloys