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Description

USA AISI S41040 Specialsteel Martensitic Chromium Stainless Steel with Columbium and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: S41040
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel S41040 Martensite AISI USA Martensitic Chromium Stainless Steel with Columbium

Chemical composition(mass fraction)(wt.%) of the S41040

C Mn Si P S Cr Ni Mo Nb
≤0.15 ≤1.00 ≤1.00 ≤0.04 ≤0.03 11.50 -13.50 ≤ ≥ ≤ ≥ 0.05 -0.20

Mechanical Properties of steel grade S41040

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
638 (≥) 442 (≥) 31 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade S41040

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
23 - -     0.14 -  
185 895 - 33.3 222   -  
947 - 23 11.2   114 342

Heat Treatment of steel grade S41040

Heat treated : 1997°C - 1278°C

Technological Curves of steel grade S41040

Cross Reference Table (Equivalent Grade) of S41040

Grade Standard Country Application
S41040
S41040
S41040

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