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A 409 S30940

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A 358 S30940 A 478 S30940
#309SCb

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)
439 (≥) 975 (≥) 31 43 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

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
34 - -     0.24 -  
844 974 - 33.3 124   -  
356 - 23 41.2   242 143

Heat Treatment of steel grade A 409 S30940

Heat treated : 1811°C - 1126°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
A 358 S30940 A 478 S30940
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Jiangyou Longhai Special Steel Co.,Ltd.

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