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A 581 Type 303

Description

USA SAE A 581/A 581M (2009) , A 581 Type 303 Specialsteel Free-Machining Stainless Steel Wire and Wire Rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 581 Type 303
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 581 Type 303 Austenite SAE USA Free-Machining Stainless Steel Wire and Wire Rods

Chemical composition(mass fraction)(wt.%) of the A 581 Type 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 581 Type 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)
575 (≥) 539 (≥) 11 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade A 581 Type 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
11 - -     0.33 -  
312 278 - 21.3 212   -  
564 - 23 23.2   441 111

Heat Treatment of steel grade A 581 Type 303

Heat treated : 1979°C - 1754°C

Technological Curves of steel grade A 581 Type 303

Cross Reference Table (Equivalent Grade) of A 581 Type 303

Relevant standard of A 581 Type 303

A 581/A 581M (2009) Free-Machining Stainless Steel Wire and Wire Rods A-581-A-581M--(2009)--.pdf

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