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SA-814 S30940

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SA-813 S30940 309HCb
#309SCb

Description

USA AMS SA-814/SA-814M , SA-814 S30940 Specialsteel Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-814 S30940
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-814 S30940 Austenite AMS USA Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe

Chemical composition(mass fraction)(wt.%) of the SA-814 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 SA-814 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)
979 (≥) 516 (≥) 22 33 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade SA-814 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
41 - -     0.43 -  
934 243 - 11.3 131   -  
953 - 31 42.2   244 122

Heat Treatment of steel grade SA-814 S30940

Heat treated : 1973°C - 1721°C

Technological Curves of steel grade SA-814 S30940

Relevant standard of SA-814 S30940

SA-814/SA-814M Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe SA-814-SA-814M-.pdf
SA-813 S30940 309HCb
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Jiangyou Longhai Special Steel Co.,Ltd.

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