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SA-790 S31260

Description

USA AMS SA-790/SA-790M, SA-790 S31260 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 S31260
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-790 S31260 Duplex steel AMS USA Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe

Chemical composition(mass fraction)(wt.%) of the SA-790 S31260

C Mn Si P S Cr Ni Mo N Cu W
≤0.03 ≤1.00 ≤0.75 ≤0.03 ≤0.03 24.00 -26.00 5.50 -7.50 2.50 -3.50 0.10 -0.30 0.20 -0.80 0.10 -0.50

Mechanical Properties of steel grade SA-790 S31260

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)
667 (≥) 717 (≥) 44 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade SA-790 S31260

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
42 - -     0.12 -  
283 225 - 42.3 211   -  
917 - 41 41.2   244 132

Heat Treatment of steel grade SA-790 S31260

Heat treated : 1244°C - 1286°C

Technological Curves of steel grade SA-790 S31260

Cross Reference Table (Equivalent Grade) of SA-790 S31260

Grade Standard Country Application
DP-3(S31260)
DP-3
S31260
S31260
S31260

Relevant standard of SA-790 S31260

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

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