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Description

USA AISI S31400 Specialsteel Austenitic Chromium Nickel Heat Resisting Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: S31400
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel S31400 Austenite AISI USA Austenitic Chromium Nickel Heat Resisting Steel

Chemical composition(mass fraction)(wt.%) of the S31400

C Si Mn P S Cr Ni
≤0.25 1.50 -3.00 ≤2.00 ≤0.045 ≤0.03 23.0 -26.0 19.0 -22.0

Mechanical Properties of steel grade S31400

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)
632 (≥) 692 (≥) 43 43 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade S31400

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
44 - -     0.31 -  
561 352 - 21.3 111   -  
172 - 31 41.2   134 442

Heat Treatment of steel grade S31400

Heat treated : 1361°C - 1173°C

Technological Curves of steel grade S31400

Cross Reference Table (Equivalent Grade) of S31400


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