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SA-312 S31050

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SA-249 S31050 A 167 S31254
#310MoLN #S31050

Description

USA AMS SA-312/SA-312M, SA-312 S31050 Specialsteel Specification for Seamless and Welded Austenitic Stainless Steel Pipes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-312 S31050
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-312 S31050 Austenite AMS USA Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Chemical composition(mass fraction)(wt.%) of the SA-312 S31050

C Si Mn P S Cr Ni N
≤0.03 ≤0.50 ≤2.00 ≤0.03 ≤0.01 24.00 -26.00 21.0 -23.0 0.10 -0.16

Mechanical Properties of steel grade SA-312 S31050

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)
535 (≥) 211 (≥) 41 44 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade SA-312 S31050

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
21 - -     0.44 -  
492 636 - 43.3 243   -  
644 - 24 22.2   424 132

Heat Treatment of steel grade SA-312 S31050

Heat treated : 1144°C - 1433°C

Technological Curves of steel grade SA-312 S31050

Cross Reference Table (Equivalent Grade) of SA-312 S31050

Grade Standard Country Application
310MoLN
TP310MoLN
S31050
S31050
S31050
S31050
S31050

Relevant standard of SA-312 S31050

SA-312/SA-312M Specification for Seamless and Welded Austenitic Stainless Steel Pipes SA-312-SA-312M.pdf
SA-249 S31050 A 167 S31254
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