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US 2014/0154128 A1Published application
Heat-resistant austenitic stainless steel having excellent cyclic oxidation resistance
AssigneeKabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
InventorsTakeo Miyamura, Shigenobu Namba, Kazuki Furuya
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Abstract
A heat-resistant austenitic stainless steel comprising C: 0.05 to 0.2%, Si: 0.1 to 1%, Mn: 0.1 to 2.5%, Cu: 1 to 4%, Ni: 7 to 12%, Cr: 16 to 20%, Nb: 0.1 to 0.6%, Zr: 0.05 to 0.4%, Ce: 0.005 to 0.1%, Ti: 0.1 to 0.6%, B: 0.0005 to 0.005%, N: 0.001 to 0.15%, S: 0.005% or less (not including 0%), and P: 0.05% or less (not including 0%), with the balance of iron and unavoidable impurities.
Claims4
A heat-resistant austenitic stainless steel, comprising:
- C in a content by mass of from 0.05 to 0.2%,
- Si in a content by mass of from 0.1 to 1%,
- Mn in a content by mass of from 0.1 to 2.5%,
- Cu in a content by mass of from 1 to 4%,
- Ni in a content by mass of from 7 to 12%,
- Cr in a content by mass of from 16 to 20%,
- Nb in a content by mass of from 0.1 to 0.6%,
- Zr in a content by mass of from 0.05 to 0.4%,
- Ce in a content by mass of from 0.005 to 0.1%,
- Ti in a content by mass of from 0.1 to 0.6%,
- B in a content by mass of from 0.0005 to 0.005%,
- N in a content by mass of from 0.001 to 0.15%,
- S in a content by mass of greater than 0% and no more than 0.005%,
- P in a content by mass of greater than 0% and no more than 0.05%, and
- iron.
12 more elements
Dependencies are inferred from the claim text.