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SA-790 S31200

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SA-789 S31200 A 240 S31260
#44LN #S31200

Description

USA AMS SA-790/SA-790M, SA-790 S31200 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 S31200
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-790 S31200 Duplex steel AMS USA Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe

Chemical composition(mass fraction)(wt.%) of the SA-790 S31200

C Mn Si P S Cr Ni Mo N
≤0.03 ≤2.00 ≤1.00 ≤0.045 ≤0.03 24.00 -26.00 5.50 -6.50 1.20 -2.00 0.14 -0.20

Mechanical Properties of steel grade SA-790 S31200

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)
124 (≥) 535 (≥) 22 41 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade SA-790 S31200

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
34 - -     0.22 -  
915 344 - 23.3 313   -  
175 - 42 44.2   114 443

Heat Treatment of steel grade SA-790 S31200

Heat treated : 1529°C - 1491°C

Technological Curves of steel grade SA-790 S31200

Cross Reference Table (Equivalent Grade) of SA-790 S31200

Grade Standard Country Application
44LN
44LN(S31200)
S31200
S31200

Relevant standard of SA-790 S31200

SA-790/SA-790M Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe SA-790-SA-790M.pdf
SA-789 S31200 A 240 S31260
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