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Description

USA AISI S30940 Specialsteel Austenitic Chromium Nickel Columbium Heat Resisting Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: S30940
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel S30940 Austenite AISI USA Austenitic Chromium Nickel Columbium Heat Resisting Stainless Steel

Chemical composition(mass fraction)(wt.%) of the S30940

C Si Mn P S Cr Ni Nb+Ta
≤0.08 ≤1.00 ≤2.00 ≤0.04 ≤0.03 22.0 -24.0 12.0 -16.0 ≤1.10

Mechanical Properties of steel grade S30940

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)
364 (≥) 435 (≥) 11 14 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade S30940

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
22 - -     0.11 -  
799 989 - 41.3 432   -  
563 - 32 33.2   234 134

Heat Treatment of steel grade S30940

Heat treated : 1762°C - 1232°C

Technological Curves of steel grade S30940


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