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SA-249 N08904

Favorite Datasheet
SA-240 N08904 SA-312 N08904
#904L #N08904

Description

USA AMS SA-249/SA-249M, SA-249 N08904 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 N08904
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-249 N08904 Austenite AMS USA Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the SA-249 N08904

C Mn Si P S Cr Ni Mo Cu
≤0.02 ≤2.00 ≤1.00 ≤0.045 ≤0.035 19.00 -23.00 23.00 -28.00 4.00 -5.00 1.00 -2.00

Mechanical Properties of steel grade SA-249 N08904

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)
479 (≥) 174 (≥) 33 34 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade SA-249 N08904

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
34 - -     0.12 -  
676 478 - 23.3 134   -  
747 - 33 33.2   431 211

Heat Treatment of steel grade SA-249 N08904

Heat treated : 1436°C - 1265°C

Technological Curves of steel grade SA-249 N08904

Cross Reference Table (Equivalent Grade) of SA-249 N08904

Grade Standard Country Application
904L
INCO alloy 904L
904L
904L(N08904)
N08904
N08904
N08904
UNS N08904

Relevant standard of SA-249 N08904

SA-249/SA-249M Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes SA-249-SA-249M.pdf
SA-240 N08904 SA-312 N08904
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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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