S42225 Stainless Steels

S42225 - Specification & Application

Martensitic Chromium Molybdenum Wolfram Nickel Vanadium Stainless Steel

Chemical composition(wt.%) of S42225 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.22
Si - 0.40
Mn - 0.75
P - -
S - -
Ni - 0.75
Cr - 12.50
Al - -
Cu - -
Ti - -
Fe - remaining
N - -
Mo - 1.00
W - 1.00
V - 0.22

S42225 - Detail

Martensitic Chromium Molybdenum Wolfram Nickel Vanadium Stainless Steel

Mechanical properties of grade S42225

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)
955 (≥) 869 (≥) 13 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical properties of grade S42225

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
698 (≥) 662 (≥) 11 32 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 341
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
425 679 679
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