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SA-409 S31254

Description

USA AMS SA-409/SA-409M, SA-409 S31254 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: SA-409 S31254
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-409 S31254 Austenite AMS USA Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service

Chemical composition(mass fraction)(wt.%) of the SA-409 S31254

C Mn Si P S Cr Ni Mo Cu N
≤0.02 ≤1.00 ≤0.80 ≤0.03 ≤0.01 19.50 -20.50 17.50 -18.50 6.00 -6.50 0.50 -1.00 0.18 -0.22

Mechanical Properties of steel grade SA-409 S31254

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)
483 (≥) 729 (≥) 42 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade SA-409 S31254

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
44 - -     0.44 -  
987 583 - 34.3 314   -  
574 - 13 43.2   131 431

Heat Treatment of steel grade SA-409 S31254

Heat treated : 1774°C - 1728°C

Technological Curves of steel grade SA-409 S31254

Cross Reference Table (Equivalent Grade) of SA-409 S31254

Grade Standard Country Application
254SMO
254SMO(S31254)
S31254
S31254
S31254
S31254
S31254
S31254
S31254
S31254

Relevant standard of SA-409 S31254

SA-409/SA-409M Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service SA-409-SA-409M.pdf

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