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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 Mn Si P S Cr Ni Mo
≤0.08 ≤2.00 ≤1.00 ≤0.045 ≤0.03 22.00 -24.00 12.00 -15.00 ≤ ≥

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)
739 (≥) 985 (≥) 23 22 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

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
31 - -     0.32 -  
953 754 - 12.3 411   -  
642 - 14 44.2   143 121

Heat Treatment of steel grade A 409 S30940

Heat treated : 1444°C - 1229°C

Technological Curves of steel grade A 409 S30940

Cross Reference Table (Equivalent Grade) of A 409 S30940

Grade Standard Country Application
S30940
S30940
S30940
S30940
S30940
S30940
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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