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日新制钢的锌铝镁镀层牌号:【MSM-CK400-DZC 190】解析。
【MSM-CK400-DZC 190】
牌号解析
MSM:
代表日新制钢的锌铝镁合金镀层产品(ZAM);
C:
冷轧基板;
K400:
代表400MPa级别的结构钢,其中,屈服强度Re≥295MPa,抗拉强度Rm≥400MPa,断后伸长率A50≥18%;
D:
代表平整;
ZC:
后处理方式的一种,代表无铬无机后处理;
190:代表镀层重量。可参见下表:
牌号解析
MSM:
代表日新制钢的锌铝镁合金镀层产品(ZAM);
C:
冷轧基板;
K400:
代表400MPa级别的结构钢,其中,屈服强度Re≥295MPa,抗拉强度Rm≥400MPa,断后伸长率A50≥18%;
D:
代表平整;
ZC:
后处理方式的一种,代表无铬无机后处理;
190:代表镀层重量。可参见下表:
注:
无铬无机后处理(Chromium-free inorganic treatment),具有以下特点:
① Excellent electrical conductivity The inorganic film has low electrical resistance and excellent surface conductivity (spot weldability).
②Corrosion resistance The resultant film has corrosion resistance equivalent to that obtained in the case of chromate treatment (A treatment).
③ Superior compatibility with the environment The resultant material is friendly to the environment because its film is entirely free of chromium.