S42800 Stainless Steels

S42800 - Specification & Application

Martensitic Chromium Molybdenum Vanadium Stainless Steel (for Baerings)

Chemical composition(wt.%) of S42800 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.05 1.15
Mn 0.25 0.50
Si 0.20 0.40
P - 0.015
S - 0.01
Cr 13.70 14.80
Ni - 0.35
Mo 1.90 2.25
V 0.90 1.15
Cu - 0.35
Nb 0.25 0.35

S42800 - Detail

Martensitic Chromium Molybdenum Vanadium Stainless Steel (for Baerings)

Mechanical properties of grade S42800

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)
429 (≥) 638 (≥) 14 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical properties of grade S42800

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
313 (≥) 218 (≥) 34 14 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 313
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
728 722 316

Equivalent Grade

Equivalent Products

We can customize the production of S42800 grade, contact us for the best solution.
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