S31266 Stainless Steels

S31266 - Specification & Application

ustenitic Chromium Nickel Molybdenum Wolfram Copper Nitrogen Stainless Steel

Chemical composition(wt.%) of S31266 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.030
Si - 1.00
Mn 2.00 4.00
P - 0.035
S - 0.02
Cr 23.0 25.0
Ni 21.0 24.0
Mo 5.00 7.00
Cu 0.50 3.00
N 0.35 0.60
W 1.00 3.00

S31266 - Detail

Stainless and heat resisting steels

ustenitic Chromium Nickel Molybdenum Wolfram Copper Nitrogen Stainless Steel

S31266

Mechanical properties of grade S31266

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)
543 (≥) 931 (≥) 32 34 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical properties of grade S31266

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
248 (≥) 211 (≥) 43 13 22 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
678 496 926

Equivalent Products

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