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日新制鋼的鋅鋁鎂鍍層牌號(hào):【MSM-CK400-DZC 190】解析。
【MSM-CK400-DZC 190】
牌號(hào)解析
MSM:
代表日新制鋼的鋅鋁鎂合金鍍層產(chǎn)品(ZAM);
C:
冷軋基板;
K400:
代表400MPa級(jí)別的結(jié)構(gòu)鋼,其中,屈服強(qiáng)度Re≥295MPa,抗拉強(qiáng)度Rm≥400MPa,斷后伸長(zhǎng)率A50≥18%;
D:
代表平整;
ZC:
后處理方式的一種,代表無(wú)鉻無(wú)機(jī)后處理;
190:代表鍍層重量??蓞⒁?jiàn)下表:
牌號(hào)解析
MSM:
代表日新制鋼的鋅鋁鎂合金鍍層產(chǎn)品(ZAM);
C:
冷軋基板;
K400:
代表400MPa級(jí)別的結(jié)構(gòu)鋼,其中,屈服強(qiáng)度Re≥295MPa,抗拉強(qiáng)度Rm≥400MPa,斷后伸長(zhǎng)率A50≥18%;
D:
代表平整;
ZC:
后處理方式的一種,代表無(wú)鉻無(wú)機(jī)后處理;
190:代表鍍層重量??蓞⒁?jiàn)下表:
注:
無(wú)鉻無(wú)機(jī)后處理(Chromium-free inorganic treatment),具有以下特點(diǎn):
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.