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A 473 309

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)
935 (≥) 368 (≥) 44 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

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
21 - -     0.44 -  
254 965 - 41.3 312   -  
558 - 23 42.2   214 132

Heat Treatment of steel grade A 473 309

Heat treated : 1347°C - 1254°C

Technological Curves of steel grade A 473 309

Cross Reference Table (Equivalent Grade) of A 473 309

Relevant standard of A 473 309

A 473 (2009) Stainless Steel Forgings A-473--(2009).pdf

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