宝钢热镀锌钢板介绍:DC51D+Z(SGCC.), DC52D+Z(CSTYPEB),DC53D+Z(SCGA270D.) DC54D+Z(SCG270E), DC56D+Z, H220PD+Z, H260PD+Z, H300LAD+Z, H340LAD+Z, H380LAD+Z, H420LAD+Z, H180BD+Z, H220BD+Z, H260BD+Z, H180YD+Z , H220YD+Z , H260YD+Z, S220GD+Z, S250GD+Z, S280GD+Z, S320GD+Z, S350GD+Z, S550GD+Z,SGC340,SGC440,SGH340,SECC-PC5,SECCN5,SECCNE 宝钢锌铁合金钢板介绍:DC51D+ZF, DC52D+ZF(SP781), DC53D+ZF, DC54D+ZF,DC56D+ZF, H220PD+ZF, H260PD+ZF, H300LAD+ZF, H340LAD+ZF HC340LA性能参考:抗拉强度大于等于450 延伸率大于等于23 屈服强度350-400