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A 249 S34809

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A 240 S34809 A 813 S34809
#348H #S34809

Description

USA SAE A 249/A 249M (2010), A 249 S34809 Specialsteel Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 249 S34809
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 S34809 Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 S34809

C Mn Si P S Cr Ni Ta Co
0.04 -0.10 ≤2.00 ≤1.00 ≤0.045 ≤0.03 17.00 -20.00 9.00 -13.00 ≤0.10 ≤0.20

Mechanical Properties of steel grade A 249 S34809

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)
417 (≥) 862 (≥) 22 43 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade A 249 S34809

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
23 - -     0.33 -  
634 424 - 22.3 413   -  
937 - 31 31.2   341 341

Heat Treatment of steel grade A 249 S34809

Heat treated : 1451°C - 1794°C

Technological Curves of steel grade A 249 S34809

Cross Reference Table (Equivalent Grade) of A 249 S34809

Grade Standard Country Application
348H
348H
TP348H
TP348H
TP348H
S34809
S34809
S34809
S34809
S34809

Relevant standard of A 249 S34809

A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A-249-A-249M-(2010).pdf
A 240 S34809 A 813 S34809
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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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