No. 143327
A20302
- Country or region
China - Standard systemGB
Standards
- GB/T 17107:1997Structural steel grades and mechanical property for forgings
- GB/T 3077:1999Alloy structure steels
- GB/T 8162:2008Seamless steel tubes for structural purposes
- GB/T 11251:2009Hot-rolled all structural steel plates
- GB/T 3078:2008Technical requirements for quality structural steel cold drawn bars
- GB 5067:1985GB 5067