China Metal and Metallurgy Standards

Polyaluminium chloride for treatment of drinking water

Issued

2020-07-23

Effective

2021-08-01

Steel wire ropes for hanger of suspension bridge

Issued

2020-06-02

Effective

2021-01-01

Seamless austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 2: Pipes for fluid service

Issued

2020-04-28

Effective

2020-11-01

High strength magnesium alloy bars

Issued

2020-03-31

Effective

2021-02-01

Aluminium and aluminium alloy foils

Issued

2020-03-31

Effective

2021-02-01

Pig iron and cast—Determination of chromium，copper，magnesium，manganese，molybdenum，nickel，phosphorus，tin，titanium，vanadium and silicon content—Inductively coupled plasma atomic emission spectrometric method

Issued

2019-12-31

Effective

2020-07-01

Metallurgical equipment—Couplings—Test methods,inspecting rules and accptance codes

Issued

2019-12-31

Effective

2020-07-01

High-carbon chromium bearing steel wires

Issued

2019-12-10

Effective

2020-07-01

Heavy mechanical general technical specification—Part 7：Repair welding for steel castings

Issued

2019-08-30

Effective

2020-03-01