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A 473 309

Favorite Datasheet
A 409 TP309 A 511 MT309
#309 #S30900

Description

USA SAE A 473 (2009), A 473 309 Specialsteel Stainless Steel Forgings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 473 309
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 473 309 Austenite SAE USA Stainless Steel Forgings

Chemical composition(mass fraction)(wt.%) of the A 473 309

C Si Mn P S Cr Ni
≤0.20 ≤1.00 ≤2.00 ≤0.045 ≤0.03 22.0 -24.0 12.0 -15.0

Mechanical Properties of steel grade A 473 309

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)
289 (≥) 358 (≥) 34 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade A 473 309

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 - -     0.24 -  
277 254 - 43.3 121   -  
349 - 33 43.2   322 241

Heat Treatment of steel grade A 473 309

Heat treated : 1767°C - 1894°C

Technological Curves of steel grade A 473 309

Cross Reference Table (Equivalent Grade) of A 473 309

Grade Standard Country Application
1.2309
1.4309
1.6309
1.6309
1.4309
309
S30900
309S
S30908
309HD
S30909
309Cb
S30940
309HCb
S30941
309
S30900
S30908
309S
S30909

Relevant standard of A 473 309

A 473 (2009) Stainless Steel Forgings A-473--(2009).pdf
A 409 TP309 A 511 MT309
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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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