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A 554 MT 309S -Cb

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SA-965 S30909 A 240 S30940
#309SCb

Description

USA SAE A 554 (2011), A 554 MT 309S -Cb Specialsteel Intended for use in ornamental, structural, exhaust, and other applications where appearance, mechanical properties, or corrosion resistance is needed and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 554 MT 309S -Cb
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 554 MT 309S -Cb Austenite SAE USA Intended for use in ornamental, structural, exhaust, and other applications where appearance, mechanical properties, or corrosion resistance is needed

Chemical composition(mass fraction)(wt.%) of the A 554 MT 309S -Cb

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 ≤1.0000

Mechanical Properties of steel grade A 554 MT 309S -Cb

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)
638 (≥) 155 (≥) 13 43 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade A 554 MT 309S -Cb

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 - -     0.32 -  
359 734 - 43.3 323   -  
329 - 42 12.2   442 324

Heat Treatment of steel grade A 554 MT 309S -Cb

Heat treated : 1811°C - 1669°C

Technological Curves of steel grade A 554 MT 309S -Cb

Relevant standard of A 554 MT 309S -Cb

A 554 (2011) Welded Stainless Steel Mechanical Tubing A-554-(2011).pdf
SA-965 S30909 A 240 S30940
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Jiangyou Longhai Special Steel Co.,Ltd.

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