• 钢材标准和等级

镀锌材质对照表
中国标准日本标准欧洲标准
DX51D+Z/DC51D+Z(铬)国家电网DX51D+Z
DX52D+Z/DC52D+Z SGCD1 DX52D+Z
DX53D+Z/DC53D+Z/DX54D+Z/DC54D+Z SGCD2/SGCD3 DX53D+Z/DX54D+Z
S220/250/280/320/350/550GD+Z SGC340/400/440/490/570 S220/250/280/320/350GD+Z
DX51D+Z/DD51D+Z (HR)新加坡高碳公司DX51D+Z