309S is an austenitic chromium-nickel steel for high-temperature applications.
Standards
ASTM: TP309S
UNS: S30908
ISO: 1.4833EN
Pipe standard: ASTM A213, ASTM A312
Chemical Composition
C | Si | Mn | P | S | Cr | Ni |
≤0.080 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.30 | 22.0-24.0 | 12.0-15.0 |
Mechanical properties
Status | Tensile Strength Min.(Mpa) | Yield Strength Min.(Mpa) | Elognation Min. % |
Annealed | 515 | 205 | 35
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