发明名称 |
Stainless wrought and cast materials and welding additives for structural units exposed to hot, concentrated sulfuric acid |
摘要 |
In the processing of hot concentrated sulfuric acid or oleum in steel apparatus, the improvement wherein said apparatus is formed of an alloyed material comprising an iron-chrome-nickel-silicon alloy containing 13 to 32% by weight Cr, 5 to 25% by weight nickel and 4 to 9% by weight Si and having a structure containing more than 10% delta-ferrite.
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申请公布号 |
US5051233(A) |
申请公布日期 |
1991.09.24 |
申请号 |
US19900463689 |
申请日期 |
1990.01.11 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
HORN, ELMAR-MANFRED;SAVAKIS, STYLIANOS |
分类号 |
C22C38/00;C22C38/40 |
主分类号 |
C22C38/00 |
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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