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A 249 S31700

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A 240 S31700 A 269 S31700
#317 #S31700

Description

USA SAE A 249/A 249M (2010), A 249 S31700 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 S31700
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 S31700 Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 S31700

C Si Mn P S Cr Ni Mo N
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18.00 -20.00 11.00 -15.00 3.00 -4.00 ≤0.10

Mechanical Properties of steel grade A 249 S31700

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)
967 (≥) 113 (≥) 33 34 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade A 249 S31700

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 - -     0.44 -  
324 346 - 34.3 434   -  
123 - 41 22.2   131 314

Heat Treatment of steel grade A 249 S31700

Heat treated : 1764°C - 1825°C

Technological Curves of steel grade A 249 S31700

Cross Reference Table (Equivalent Grade) of A 249 S31700

Grade Standard Country Application
1.4317
1.4317
1.4317
317
S31700
317L
S31703
317LM
S31725
317LMN
S31726
S31727
317LN
S31753
317LM
317L4
S31700
317
S31703
317L

Relevant standard of A 249 S31700

A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A-249-A-249M-(2010).pdf
A 240 S31700 A 269 S31700
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Jiangyou Longhai Special Steel Co.,Ltd.

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