S31725 Stainless Steels

S31725 - Specification & Application

Austenitic Chromium Nickel Molybdenum Stainless Steel

Chemical composition(wt.%) of S31725 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Mn - 2.00
Si - 0.75
P - 0.045
S - 0.03
Cr 18.00 20.00
Ni 13.50 17.50
Mo 4.00 5.00
Cu - 0.75
N - 0.10

S31725 - Detail

Austenitic Chromium Nickel Molybdenum Stainless Steel

Mechanical properties of grade S31725

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)
332 (≥) 178 (≥) 23 13 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical properties of grade S31725

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
753 (≥) 396 (≥) 34 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 111
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
369 278 476

Equivalent Products

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