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A 249 S31726

Favorite Datasheet
A 240 S31726 A 269 S31726
#17-14-4LN #S31726

Description

USA SAE A 249/A 249M (2010), A 249 S31726 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 S31726
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 S31726 Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 S31726

C Mn Si P S Cr Ni Mo N
≤0.03 ≤2.00 ≤0.75 ≤0.045 ≤0.03 17.00 -20.00 13.50 -17.50 4.00 -5.00 0.10 -0.20

Mechanical Properties of steel grade A 249 S31726

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)
912 (≥) 861 (≥) 41 14 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade A 249 S31726

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
21 - -     0.14 -  
746 171 - 22.3 121   -  
655 - 22 21.2   233 234

Heat Treatment of steel grade A 249 S31726

Heat treated : 1669°C - 1339°C

Technological Curves of steel grade A 249 S31726

Cross Reference Table (Equivalent Grade) of A 249 S31726

Grade Standard Country Application
17-14-4LN(S31726)
S31726
S31726
S31726
S31726
S31726
S31726
S31726

Relevant standard of A 249 S31726

A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A-249-A-249M-(2010).pdf
A 240 S31726 A 269 S31726
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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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