S42020 Stainless Steels

S42020 - Specification & Application

Martensitic Chromium Stainless Steel

Chemical composition(wt.%) of S42020 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Mn - 1.25
Si - 1.00
P - 0.06
S - 0.15
Cr 12.00 14.00
Ni - -
Mo - 0.60

S42020 - Detail

Martensitic Chromium Stainless Steel

Mechanical properties of grade S42020

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)
514 (≥) 175 (≥) 41 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical properties of grade S42020

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
178 (≥) 361 (≥) 44 41 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 332
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
331 433 167

Equivalent Products

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