3镀锌产品牌号介绍 DC51D Z(St01Z,St02Z,St03Z) DC51D ZF DD51D Z(St01ZR,St02ZR) DC52D Z(St04Z),DC52D ZF DC53D Z(St05Z) DC53D ZF DC54D Z(St06Z) DC54D ZF DD54D Z(St06ZR) DC56D Z(St07Z) DC56D ZF S220GD Z,S220GD ZF S250GD Z,S250GD ZF S280GD Z(StE280-2Z) S280GD ZF S320GD Z,S320GD ZF S350GD Z(StE345-2Z) S350GD ZF S550GD Z,S550GD ZF H220PD Z,H220PD ZF H260PD Z,H260PD ZF H300LAD Z,H300LAD ZF H340LAD Z(HSA340Z),H340LAD ZF H380LAD Z,H420LAD Z(HSA410Z) HR340LAD Z(HSA340ZR) HR420LAD Z(HSA410ZR) H180YD Z,H180YD ZF H220YD Z,H220YD ZF H260YD Z,H260YD ZF H180BD Z,H180BD ZF H220BD Z,H220BD ZF H260BD Z,H260BD ZF SECC、SECD、SECE SECIF BLCE Z, BLCE ZN BLC DC05（BSC2） DX51D AZ BLDE Z
