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SA-789 S31200

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SA-240 S31200 SA-790 S31200
#44LN #S31200

Description

USA AMS SA-789/SA-789M, SA-789 S31200 Specialsteel Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-789 S31200
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-789 S31200 Duplex steel AMS USA Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service

Chemical composition(mass fraction)(wt.%) of the SA-789 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-789 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)
129 (≥) 676 (≥) 32 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade SA-789 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
13 - -     0.23 -  
835 237 - 34.3 134   -  
724 - 33 34.2   224 344

Heat Treatment of steel grade SA-789 S31200

Heat treated : 1539°C - 1956°C

Technological Curves of steel grade SA-789 S31200

Cross Reference Table (Equivalent Grade) of SA-789 S31200

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

Relevant standard of SA-789 S31200

SA-789/SA-789M Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service SA-789-SA-789M.pdf
SA-240 S31200 SA-790 S31200
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Jiangyou Longhai Special Steel Co.,Ltd.
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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