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A 240 S21904

Favorite Datasheet
SA-814 S21900 A 269 S21904
#21-6-9LC #S21904

Description

USA SAE A 240/A 240M (2013), A 240 S21904 Specialsteel 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: A 240 S21904
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 240 S21904 Austenite SAE USA Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Chemical composition(mass fraction)(wt.%) of the A 240 S21904

C Mn Si P S Cr Ni Mo N
≤0.04 8.00 -10.00 ≤1.00 ≤0.06 ≤0.03 19.00 -21.50 5.50 -7.50 ≤ ≥ 0.15 -0.40

Mechanical Properties of steel grade A 240 S21904

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)
846 (≥) 472 (≥) 44 32 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade A 240 S21904

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
22 - -     0.13 -  
929 428 - 31.3 314   -  
865 - 11 21.2   111 212

Heat Treatment of steel grade A 240 S21904

Heat treated : 1942°C - 1883°C

Technological Curves of steel grade A 240 S21904

Cross Reference Table (Equivalent Grade) of A 240 S21904

Grade Standard Country Application
S21904
S21904
S21904

Relevant standard of A 240 S21904

A 240/A 240M (2013) Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications A-240-A-240M-(2013).pdf
SA-814 S21900 A 269 S21904
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Jiangyou Longhai Special Steel Co.,Ltd.

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