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SA-249 S30909

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SA-240 S30909 SA-965 S30909
#309H #S30909

Description

USA AMS SA-249/SA-249M , SA-249 S30909 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 S30909
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-249 S30909 Austenite AMS USA Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the SA-249 S30909

C Si Mn P S Cr Ni
≤0.08 ≤0.75 ≤2.00 ≤0.045 ≤0.030 22.0 -24.0 12.0 -15.0

Mechanical Properties of steel grade SA-249 S30909

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)
785 (≥) 571 (≥) 42 24 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade SA-249 S30909

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 - -     0.43 -  
597 931 - 11.3 241   -  
977 - 22 24.2   343 433

Heat Treatment of steel grade SA-249 S30909

Heat treated : 1237°C - 1734°C

Technological Curves of steel grade SA-249 S30909

Cross Reference Table (Equivalent Grade) of SA-249 S30909

Grade Standard Country Application
309HD
309HCb
309H
309HCb
TP309H
TP309HCb
TP309H
TP309HCb
TP309H
TP309HCb
S30909
S30909
S30909
S30909
S30909

Relevant standard of SA-249 S30909

SA-249/SA-249M Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes SA-249-SA-249M-.pdf
SA-240 S30909 SA-965 S30909
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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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