GB/T 7659

GB/T 7659 (Steel castings for welding structures)· GB (中国) · 11 种材料

名称	材料组别
ZG200-400H	铸钢	chevron_right
ZG230-450H	铸钢	chevron_right
ZG270-480H	铸钢	chevron_right
ZG275-485H	铸钢	chevron_right
ZG300-500H	铸钢	chevron_right
ZG340-550H	铸钢	chevron_right
ZGH200-380	铸钢	chevron_right
ZGH240-450	铸钢	chevron_right
ZGH270-480	铸钢	chevron_right
ZGH300-500	铸钢	chevron_right
ZGH340-550	铸钢	chevron_right