S31008 Stainless Steels

S31008 - Specification & Application

Austenitic Chromium Nickel Heat Resisting Steel

Chemical composition(wt.%) of S31008 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.50
Mn - 2.00
P - 0.045
S - 0.03
Cr 24.00 26.00
Ni 19.00 22.00

S31008 - Detail

Austenitic Chromium Nickel Heat Resisting Steel

Mechanical properties of grade S31008

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)
697 (≥) 154 (≥) 11 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical properties of grade S31008

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
684 (≥) 126 (≥) 21 11 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 444
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
658 194 853

Equivalent Products

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