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A 473 S21904

Favorite Datasheet
A 314 S21904 A 580 S21904
#21-6-9LC #S21904

Description

USA SAE A 473 (2009), A 473 S21904 Specialsteel Stainless Steel Forgings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 473 S21904
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 473 S21904 Austenite SAE USA Stainless Steel Forgings

Chemical composition(mass fraction)(wt.%) of the A 473 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 473 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)
528 (≥) 356 (≥) 24 33 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade A 473 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
23 - -     0.22 -  
821 816 - 43.3 132   -  
164 - 43 31.2   223 412

Heat Treatment of steel grade A 473 S21904

Heat treated : 1653°C - 1474°C

Technological Curves of steel grade A 473 S21904

Cross Reference Table (Equivalent Grade) of A 473 S21904

Grade Standard Country Application
S21904
S21904
S21904

Relevant standard of A 473 S21904

A 473 (2009) Stainless Steel Forgings A-473-(2009).pdf
A 314 S21904 A 580 S21904
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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