Austenitic alloy for high-temperature strength with improved pourability
and manufacturing, of which the composition comprises, in weight-%:
- 0.010%carbon0.04%
- 0%nitrogen0.01%
- silicon2%
- 16%nickel19.9%
- manganese8%
- 18.1%chromium21%
- 1.8%titanium3%
- molybdenum3%
- copper3%
- aluminum1.5%
- boron0.01%
- vanadium2%
- sulfur0.2%
- phosphorous0.04%
and possibly up to 0.5% of at least one element chosen from among yttrium, cerium,
lanthanum and other rare earths, the remainder being iron and impurities resulting
from manufacturing or deoxidizing, the said composition also satisfying the two
following relationships:
- in relationship to the solidification mode:
- in relationship to the rate of residual ferrite:
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