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A 249 S34709

Favorite Datasheet
A 240 S34709 A 358 S34709
#347H #S34709

Description

USA SAE A 249/A 249M (2010), A 249 S34709 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 S34709
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 S34709 Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 S34709

C Mn Si P S Cr Ni Ta
0.04 -0.10 ≤2.00 ≤1.00 ≤0.04 ≤0.03 17.00 -20.00 9.00 -13.00 ≤1.10

Mechanical Properties of steel grade A 249 S34709

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)
993 (≥) 478 (≥) 21 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade A 249 S34709

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 - -     0.14 -  
621 135 - 12.3 244   -  
672 - 31 12.2   112 333

Heat Treatment of steel grade A 249 S34709

Heat treated : 1691°C - 1941°C

Technological Curves of steel grade A 249 S34709

Cross Reference Table (Equivalent Grade) of A 249 S34709

Grade Standard Country Application
347H
347H
TP347H
TP347HFG
TP347H
TP347HFG
TP347H
SUS347HFB
SUS347HTP
SUS347HTB
SUS347HTB
SUS347HTP
SUS347HFB
SUS347HFB
SUS347HFB
SUS347HFB
SUS347HTP
SUS347HTP
S34709
S34709

Relevant standard of A 249 S34709

A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A-249-A-249M-(2010).pdf
A 240 S34709 A 358 S34709
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Jiangyou Longhai Special Steel Co.,Ltd.

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