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SA-249 S31050

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SA-240 S31050 SA-312 S31050
#310MoLN #S31050

Description

USA AMS SA-249/SA-249M , SA-249 S31050 Specialsteel Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-249 S31050
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-249 S31050 Austenite AMS USA Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the SA-249 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-249 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)
989 (≥) 151 (≥) 13 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade SA-249 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
41 - -     0.44 -  
174 612 - 11.3 242   -  
282 - 44 21.2   132 123

Heat Treatment of steel grade SA-249 S31050

Heat treated : 1286°C - 1734°C

Technological Curves of steel grade SA-249 S31050

Cross Reference Table (Equivalent Grade) of SA-249 S31050

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

Relevant standard of SA-249 S31050

SA-249/SA-249M Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes SA-249-SA-249M-.pdf
SA-240 S31050 SA-312 S31050
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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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