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SA-240 309HCb

Description

USA AMS SA-240/SA-240M , SA-240 309HCb 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 309HCb
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-240 309HCb 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 309HCb

C Si Mn P S Cr Ni Nb
0.04 -0.10 ≤0.75 ≤2.00 ≤0.045 ≤0.03 22.0 -24.0 12.0 -16.0 ≤1.100

Mechanical Properties of steel grade SA-240 309HCb

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)
357 (≥) 651 (≥) 34 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade SA-240 309HCb

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
24 - -     0.12 -  
522 277 - 21.3 243   -  
982 - 43 12.2   332 323

Heat Treatment of steel grade SA-240 309HCb

Heat treated : 1693°C - 1526°C

Technological Curves of steel grade SA-240 309HCb

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

Relevant standard of SA-240 309HCb

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

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