S31009 Stainless Steels

S31009 - Specification & Application

Austenitic Chromium Nickel Heat Resisting Steel

Chemical composition(wt.%) of S31009 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04 0.10
Si - 0.75
Mn - 2.00
P - 0.045
S - 0.03
Cr 24.00 26.00
Ni 19.00 22.00

S31009 - Detail

Austenitic Chromium Nickel Heat Resisting Steel

Mechanical properties of grade S31009

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
755 (≥) 637 (≥) 43 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical properties of grade S31009

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
612 (≥) 783 (≥) 21 41 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 311
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
769 665 754

Equivalent Products

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