File Size 125KBPage Count 20GB /T 3077 National Standard of PRC Alloy Structure Steels GB/T

The standard will replace GB/T 3077-1988 from the date of the implementation of this standard. Technical specification 6.1 Steel grade and chemical composition 6.1.1 Steel grade,unified digital code and chemical composition (melting analysis) should be consistent 14 A70402 40B 0.37~0.44 0.17~0.37 0.60~0.90 0.0005~0.0035Some results are removed in response to a notice of local law requirement.For more information,please see here.12345Next