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A 581 Type 303

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A 473 303 A 582 Type 303
#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)
384 (≥) 793 (≥) 13 22 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

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
21 - -     0.42 -  
951 499 - 43.3 122   -  
771 - 11 24.2   214 113

Heat Treatment of steel grade A 581 Type 303

Heat treated : 1456°C - 1413°C

Technological Curves of steel grade A 581 Type 303

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

A 581/A 581M (2009) Free-Machining Stainless Steel Wire and Wire Rods A-581-A-581M--(2009)--.pdf
A 473 303 A 582 Type 303
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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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