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SA-249 S30908

Favorite Datasheet
SA-240 S30908 SA-813 S30908
#309S #S30908

Description

USA AMS SA-249/SA-249M, SA-249 S30908 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 S30908
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-249 S30908 Austenite AMS USA Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the SA-249 S30908

C Si Mn P S Cr Ni
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 22.0 -24.0 12.0 -15.0

Mechanical Properties of steel grade SA-249 S30908

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)
975 (≥) 511 (≥) 24 32 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade SA-249 S30908

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
42 - -     0.32 -  
933 714 - 33.3 421   -  
652 - 34 11.2   441 312

Heat Treatment of steel grade SA-249 S30908

Heat treated : 1838°C - 1667°C

Technological Curves of steel grade SA-249 S30908

Cross Reference Table (Equivalent Grade) of SA-249 S30908

Grade Standard Country Application
309S
309S
TP309S
TP309S
TP309S
TP309S
MT309S
MT-309S
MT-309S-Cb
309S
AWS ER309Si
SUS309S
SUS309STP
SUS309STB
SUS309STB
SUS309STP
SUS309S
309S24
309S24
309S20

Relevant standard of SA-249 S30908

SA-249/SA-249M Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes SA-249-SA-249M.pdf
SA-240 S30908 SA-813 S30908
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Jiangyou Longhai Special Steel Co.,Ltd.

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