GB/T 9971

GB/T 9971 (Pure iron for raw material)· GB (China) · 6 materials

Designation Material group
M00058 Structural and constructional steels chevron_right
M00088 Structural and constructional steels chevron_right
M00108 Structural and constructional steels chevron_right
YT1 Structural and constructional steels chevron_right
YT2 Structural and constructional steels chevron_right
YT3 Structural and constructional steels chevron_right