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A 409 S31725

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A 403 WP S31725 A 479 S31725
#S31725

Description

USA SAE A 409/A 409M (2009), A 409 S31725 Specialsteel Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 409 S31725
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 409 S31725 Austenite SAE USA Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service

Chemical composition(mass fraction)(wt.%) of the A 409 S31725

C Mn Si P S Cr Ni Mo Cu N
≤0.03 ≤2.00 ≤0.75 ≤0.045 ≤0.03 18.00 -20.00 13.50 -17.50 4.00 -5.00 ≤0.75 ≤0.10

Mechanical Properties of steel grade A 409 S31725

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)
334 (≥) 453 (≥) 31 12 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade A 409 S31725

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
24 - -     0.24 -  
433 683 - 44.3 213   -  
389 - 43 23.2   133 344

Heat Treatment of steel grade A 409 S31725

Heat treated : 1243°C - 1983°C

Technological Curves of steel grade A 409 S31725

Cross Reference Table (Equivalent Grade) of A 409 S31725

Grade Standard Country Application
S31725
S31725
S31725
S31725
S31725
S31725
S31725

Relevant standard of A 409 S31725

A 409/A 409M (2009) Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service A-409-A-409M-(2009).pdf
A 403 WP S31725 A 479 S31725
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