表面处理
铬酸钝化 C
涂 油 O
铬酸钝化+涂油 C+O
表面结构、镀层种类及镀层重量
表面结构及特征:
表面处理 镀层种类 特 征
零锌花 N Z 采用特定生产工艺使镀层表面无肉眼可见的锌花。
锌铁合金 R ZF 镀层是锌铁合金层,无锌花,一般无光泽。
镀层种类及可供范围如下表所示:g/m2
镀层形式 镀层种类
纯锌镀层 锌铁合金镀层
等 厚 40/40~225/225 30/30~90/90
差 厚 30~150(每面) 30~90(每面)
注:①50g/m2镀锌量约等于7.1μm。
②对于差厚镀层差厚比**1∶3。
③镀层重量每面三点试验平均值应不小相应面的标准镀层重量,镀层重量每面三点试验**小值应不小于相应面的标准镀层重量的85%。
**的标准镀层重量:g/m2
镀层形式 镀层种类
纯锌镀层 锌铁合金镀层
等 厚40/40,50/50,60/60,70/70,80/80,90/90,100/100,125/125,175/175,225/22530/30,35/35,40/40,45/45,50/50,60/60,70/70,80/80,90/90
差 厚 每面:30,40,50,60,70,80,90,100,120,140,150每面:30,35,40,45,50,60,70,80,90
注:经供需双方协议,亦可供其它镀层重量的钢带。
GMW通用汽车标准材料
GMW2M-ST-S-CR1-HD40G40-U
GMW2M-ST-S-CR2-HD40G40-U
GMW2M-ST-S-CR3-HD40G40-U
GMW2M-ST-S-CR4-HD40G40-U
GMW2M-ST-S-CR5-HD40G40-U
GMW2M-ST-S-HR0-HD40G40-U
GMW2M-ST-S-HR1-HD40G40-U
GMW2M-ST-S-HR2-HD40G40-U
GMW2M-ST-S-HR3-HD40G40-U
GMW2M-ST-S-CR1-HD60G60G-U
GMW2M-ST-S-CR2-HD60G60G-U
GMW2M-ST-S-CR3-HD60G60G-U
GMW2M-ST-S-CR4-HD60G60G-U
GMW2M-ST-S-CR5-HD60G60G-U
GMW2M-ST-S-HR0-HD60G60G-U
GMW2M-ST-S-HR1-HD60G60G-U
GMW2M-ST-S-HR2-HD60G60G-U
GMW2M-ST-S-HR3-HD60G60G-U
GMW2M-ST-S-CR1-HD60G60G-E
GMW2M-ST-S-CR2-HD60G60G-E
GMW2M-ST-S-CR3-HD60G60G-E
GMW2M-ST-S-CR4-HD60G60G-E
GMW2M-ST-S-CR5-HD60G60G-E
GMW2M-ST-S-HR0-HD60G60G-E
GMW2M-ST-S-HR1-HD60G60G-E
GMW2M-ST-S-HR2-HD60G60G-E
GMW2M-ST-S-HR3-HD60G60G-E
GMW2M-ST-S-CR1-HD70G70G-U
GMW2M-ST-S-CR2-HD70G70G-U
GMW2M-ST-S-CR3-HD70G70G-U
GMW2M-ST-S-CR4-HD70G70G-U
GMW2M-ST-S-CR5-HD70G70G-U
GMW2M-ST-S-HR0-HD70G70G-U
GMW2M-ST-S-HR1-HD70G70G-U
GMW2M-ST-S-HR2-HD70G70G-U
GMW2M-ST-S-HR3-HD70G70G-U
GMW2M-ST-S-CR1-HD70G70G-E
GMW2M-ST-S-CR2-HD70G70G-E