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SA-790 S31803

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SA-789 S31803 SA-815 CRS31803
#2205 #S31803

Description

USA AMS SA-790/SA-790M, SA-790 S31803 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 S31803
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-790 S31803 Duplex steel AMS USA Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe

Chemical composition(mass fraction)(wt.%) of the SA-790 S31803

C Mn Si P S Cr Ni Mo N
≤0.03 ≤2.00 ≤1.00 ≤0.03 ≤0.02 21.00 -23.00 4.50 -6.50 2.50 -3.50 0.08 -0.20

Mechanical Properties of steel grade SA-790 S31803

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)
656 (≥) 318 (≥) 24 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade SA-790 S31803

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
31 - -     0.31 -  
844 378 - 33.3 414   -  
874 - 14 41.2   433 343

Heat Treatment of steel grade SA-790 S31803

Heat treated : 1815°C - 1624°C

Technological Curves of steel grade SA-790 S31803

Cross Reference Table (Equivalent Grade) of SA-790 S31803

Grade Standard Country Application
2205
S32205
2205(C)
S32205
2205
2205(S31803)
2205
S31803
S31803
S31803

Relevant standard of SA-790 S31803

SA-790/SA-790M Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe SA-790-SA-790M.pdf
SA-789 S31803 SA-815 CRS31803
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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