China Metal and Metallurgy Standards

Methods for chemical analysis of magnesium and magnesium alloys—Part 22：Determination of thorium content

Issued

2026-05-25

Effective

2026-12-01

Non-destructive testing of steel pipes—Automatic ultrasonic testing for weld seam imperfections of thick-wall welded steel pipes

Issued

2026-05-25

Effective

2026-12-01

Metallic materials—Determination of modulus of elasticity and Poisson's ratio

Issued

2026-05-25

Effective

2026-12-01

Hot rolled steel plate,sheet and strip for bogie frame of high-speed train

Issued

2026-05-25

Effective

2026-12-01

Test methods for physical properties of rare earth metals and their compounds—Part 2: Determination of specific surface area of rare earth compounds—Nitrogen adsorption method

Issued

2026-05-25

Effective

2026-12-01

Test methods for physical properties of rare earth metals and their compounds—Part 1: Determination of particle size distribution of rare earth compounds—Laser diffraction method

Issued

2026-05-25

Effective

2026-12-01

Integrated treatment specification for acidic wastewater from copper mines

Issued

2026-05-25

Effective

2026-12-01

Steel wire for cold heading

Issued

2026-05-25

Effective

2026-12-01

Film laminated metal plate for building decoration

Issued

2026-05-25

Effective

2026-12-01