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A 473 303

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A 314 303 A 581 Type 303
#303

Description

USA SAE A 473 (2009) , A 473 303 Specialsteel Stainless Steel Forgings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 473 303
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 473 303 Austenite SAE USA Stainless Steel Forgings

Chemical composition(mass fraction)(wt.%) of the A 473 303

C Si Mn P S Cr Ni Mo
≤0.15 ≤1.00 ≤2.00 ≤0.2 0.15 - ≥ 17.0 -19.0 8.00 -10.0 ≤0.60

Mechanical Properties of steel grade A 473 303

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)
135 (≥) 733 (≥) 21 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade A 473 303

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
44 - -     0.34 -  
239 257 - 11.3 444   -  
258 - 34 33.2   434 333

Heat Treatment of steel grade A 473 303

Heat treated : 1776°C - 1756°C

Technological Curves of steel grade A 473 303

Cross Reference Table (Equivalent Grade) of A 473 303

Grade Standard Country Application
M303
1.4303
1.4303
1.2303
303
S30300
303Se
S30323
S30345
303MA
S30345
S30310
S43035
S43036
S43035
303Al Mod
S43035
303
S30300
S30310

Relevant standard of A 473 303

A 473 (2009) Stainless Steel Forgings A-473--(2009)-.pdf
A 314 303 A 581 Type 303
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