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A 249 S34700

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A 240 S34700 A 269 S34700
#347 #S34700

Description

USA SAE A 249/A 249M (2010), A 249 S34700 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 S34700
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 S34700 Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 S34700

C Mn Si P S Cr Ni Ta
≤0.08 ≤2.00 ≤1.00 ≤0.045 ≤0.03 17.00 -19.00 9.00 -13.00 ≤1.10

Mechanical Properties of steel grade A 249 S34700

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)
258 (≥) 418 (≥) 13 43 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade A 249 S34700

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
43 - -     0.41 -  
848 377 - 14.3 244   -  
279 - 22 24.2   313 114

Heat Treatment of steel grade A 249 S34700

Heat treated : 1788°C - 1794°C

Technological Curves of steel grade A 249 S34700

Cross Reference Table (Equivalent Grade) of A 249 S34700

Grade Standard Country Application
1.4347
347
S34700
347H
S34709
S34751
347LN
S34700
347
S34709
347H
TP347
S34700
TP347H
S34709
TP347HFG
S34710
TP347LN
S34751
TP347

Relevant standard of A 249 S34700

A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A-249-A-249M-(2010).pdf
A 240 S34700 A 269 S34700
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