S41800 Stainless Steels

S41800 - Specification & Application

Martensitic Chromium Wolfram Nickel Stainless and Heat Resisting Steel

Chemical composition(wt.%) of S41800 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.15 0.20
Mn - 0.50
Si - 0.50
P - 0.04
S - 0.03
Cr 12.00 14.00
Ni 1.80 2.20
Mo - 0.60
W 2.50 3.50

S41800 - Detail

Martensitic Chromium Wolfram Nickel Stainless and Heat Resisting Steel

Mechanical properties of grade S41800

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)
451 (≥) 264 (≥) 11 24 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical properties of grade S41800

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
525 (≥) 569 (≥) 22 14 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 242
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
812 979 271

Equivalent Products

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