253 MA

UNS S30815 stainless
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Austenitic stainless with rare-earth additions (Ce, N) for exceptional oxidation resistance to 1100 °C combined with good creep strength. Used in industrial furnaces and thermal processing.

Applicable Standards

  • ASTM A276
  • EN 1.4835
  • UNS S30815

Composition Ranges (wt %)

Element Min (%) Max (%) Typical Range
Fe 63.0 72.0 ~67.5
Cr 20.0 22.0 ~21.0
Ni 10.0 12.0 ~11.0
Si 1.4 2.0 ~1.7
N 0.14 0.2 ~0.17
Ce 0.03 0.08 ~0.06
C 0.05 0.1 ~0.08
Fe 63.0–72.0% Cr 20.0–22.0% Ni 10.0–12.0% Si 1.4–2.0% N 0.14–0.2% Ce 0.03–0.08% C 0.05–0.1%

Typical Applications

  • Furnace rolls
  • Conveyor belts
  • Heat treatment baskets
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