发明名称 |
PROCESS FOR PICKLING HIGH-GRADE STEEL |
摘要 |
Process for pickling high-grade steel, preferably high-grade steel hot strip, the high-grade steel being subjected to pickling with neutral electrolyte as well as to an after-treatment with mixed acid, nitric acid or a mixture of iron fluoride and hydrofluoric acid, the pickling with neutral electrolyte being preceded by a pre-treatment with sulfuric acid. |
申请公布号 |
ZA9105877(B) |
申请公布日期 |
1992.04.29 |
申请号 |
ZA19910005877 |
申请日期 |
1991.07.26 |
申请人 |
ANDRITZ-PATENTVERWALTUNGS-GESELLSCHAFT M.B.H. |
发明人 |
GERALD MARESCH;ERICH MAHR |
分类号 |
C23G1/08;C23F1/00;C23F1/28;C25F1/06 |
主分类号 |
C23G1/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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