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US 6,274,084 B1Granted
Corrosion-resistant low-nickel austenitic stainless steel
AssigneesUgine S.A., Ugine-Savoie Imphy
InventorPascale Haudrechy
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Abstract
Corrosion-resistant low-nickel austenitic stainless steel having the following compostion in percentages by weight: 0.01%<carbon<0.08%, 0.1%<silicon<1%, 5%<manganese<11%, 15%<chromium<17.5%, 1%<nickel<4%, 1%<copper<4%, 1×10−4%<sulfur<20×10−4%, 1×10−4%<calcium<50×10−4%, 0%<aluminum<0.03%, 0.005%<phosphorus<0.1%, boron<5×10−4%, oxygen<0.01%, the balance being iron and impurities resulting from the smelting operation.
Claims11
An austenitic stainless steel comprising, in percent by weight based on total weight:
- 0.01%<carbon<0.08%,
- 0.1%<silicon<1%,
- 5%<manganese<11%,
- 15%<chromium<17.5%,
- 1%<nickel<4%,
- 1%<copper<4%,
- 1×10−4%<sulfur<20×10−4%,
- 1×10−4%<calcium<50×10−4%,
- 0%<aluminum<0.03%,
- 0.005%<phosphorus<0.1%,
- boron<5×10−4%,
- oxygen<0.01%, and
- iron and impurities resulting from smelting.
10 more elements
Dependencies are inferred from the claim text.