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SA-790 S32950

Description

USA AMS SA-790/SA-790M, SA-790 S32950 Specialsteel Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-790 S32950
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-790 S32950 Duplex steel AMS USA Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe

Chemical composition(mass fraction)(wt.%) of the SA-790 S32950

C Mn Si P S Cr Ni Mo N
≤0.03 ≤2.00 ≤0.60 ≤0.035 ≤0.01 26.00 -29.00 3.50 -5.20 1.00 -2.50 0.15 -0.35

Mechanical Properties of steel grade SA-790 S32950

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)
689 (≥) 731 (≥) 33 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade SA-790 S32950

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 - -     0.32 -  
796 629 - 41.3 233   -  
471 - 31 12.2   212 214

Heat Treatment of steel grade SA-790 S32950

Heat treated : 1958°C - 1591°C

Technological Curves of steel grade SA-790 S32950

Cross Reference Table (Equivalent Grade) of SA-790 S32950

Grade Standard Country Application
S32950
S32950
7-Mo PLUS(S32950)
S32950

Relevant standard of SA-790 S32950

SA-790/SA-790M Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe SA-790-SA-790M.pdf

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