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SA-240 Type 309H

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SA-213 TP309H SA-249 TP309H
#309H #S30909

Description

USA AMS SA-240/SA-240M, SA-240 Type 309H Specialsteel Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-240 Type 309H
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-240 Type 309H Austenite AMS USA Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Chemical composition(mass fraction)(wt.%) of the SA-240 Type 309H

C Si Mn P S Cr Ni
≤0.08 ≤0.75 ≤2.00 ≤0.045 ≤0.030 22.0 -24.0 12.0 -15.0

Mechanical Properties of steel grade SA-240 Type 309H

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)
787 (≥) 865 (≥) 12 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade SA-240 Type 309H

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 - -     0.21 -  
176 279 - 21.3 332   -  
721 - 32 24.2   311 113

Heat Treatment of steel grade SA-240 Type 309H

Heat treated : 1818°C - 1645°C

Technological Curves of steel grade SA-240 Type 309H

Cross Reference Table (Equivalent Grade) of SA-240 Type 309H

Grade Standard Country Application
309HD
309HCb
309H
309HCb
TP309H
TP309HCb
TP309H
TP309HCb
TP309H
TP309HCb
S30909
S30909
S30909
S30909
S30909

Relevant standard of SA-240 Type 309H

SA-240/SA-240M Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications SA-240-SA-240M.pdf
SA-213 TP309H SA-249 TP309H
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Jiangyou Longhai Special Steel Co.,Ltd.

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