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A 409 S30940

Description

USA SAE A 409/A 409M (2009) , A 409 S30940 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 S30940
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 409 S30940 Austenite SAE USA Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service

Chemical composition(mass fraction)(wt.%) of the A 409 S30940

C Si Mn P S Cr Ni Nb+Ta
≤0.08 ≤1.00 ≤2.00 ≤0.04 ≤0.03 22.0 -24.0 12.0 -16.0 ≤1.10

Mechanical Properties of steel grade A 409 S30940

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)
664 (≥) 918 (≥) 42 12 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade A 409 S30940

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 - -     0.43 -  
452 716 - 23.3 431   -  
927 - 43 44.2   312 411

Heat Treatment of steel grade A 409 S30940

Heat treated : 1619°C - 1758°C

Technological Curves of steel grade A 409 S30940

Relevant standard of A 409 S30940

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

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