Title:
AUSTENITIC STAINLESS STEEL EXCELLENT IN SULFURIC ACID CORROSION RESISTANCE
Document Type and Number:
Japanese Patent JP3239763
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a material having corrosion resistance to sulfuric acid concns. in a wide range.
SOLUTION: This austenitic stainless steel is the one having a compsn. contg., by mass, ≤0.05% C, ≤1.0% Si, ≤2.0% Mn, ≤0.01% S, ≤0.1% Al, 15.0 to 27.0% Ni, 17.0 to 26.0% Cr, 2.0 to 8.0% Cu, 0.1 to 2.0% Mo, and the balance Fe with inevitable impurities or is the one having a compsn. contg., by mass, ≤0.05% C, ≤1.0% Si, ≤2.0% Mn, ≤0.01% S, ≤0.1% Al, 15.0 to 27.0% Ni, 17.0 to 26.0% Cr, 2.0 to 8.0% Cu and 0.1 to 2.0% Mo, furthermore contg. one or more kinds of elements selected from 0.005 to 0.01% Ca, 0.0005 to 0.01% B and 0.0005 to 0.01% rare earth elements, and the balance Fe with inevitable impurities.
Inventors:
Haruhiko Kajimura
Shigeki Higashi
Shigeki Higashi
Application Number:
JP17804496A
Publication Date:
December 17, 2001
Filing Date:
July 08, 1996
Export Citation:
Assignee:
SUMITOMO METAL INDUSTRIES,LTD.
International Classes:
C22C38/00; C22C38/58; (IPC1-7): C22C38/00; C22C38/58
Domestic Patent References:
| JP4346638A | ||||
| JP8218151A | ||||
| JP248614B2 | ||||
| JP121864B2 | ||||
| JP5760418B2 |
Attorney, Agent or Firm:
Terutaka Hogami (1 person outside)
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