S31200 Stainless Steels

S31200 - Specification & Application

Ferritic-Austenitic Chromium Nickel Molybdenum Nitrogen Stainless Steel

Chemical composition(wt.%) of S31200 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Mn - 2.00
Si - 1.00
P - 0.045
S - 0.03
Cr 24.00 26.00
Ni 5.50 6.50
Mo 1.20 2.00
N 0.14 0.20

S31200 - Detail

Ferritic-Austenitic Chromium Nickel Molybdenum Nitrogen Stainless Steel

Mechanical properties of grade S31200

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)
753 (≥) 332 (≥) 31 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical properties of grade S31200

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
773 (≥) 954 (≥) 42 13 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 222
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
785 817 771

Equivalent Products

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