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A 581 S20300

Description

USA SAE A 581/A 581M (2009), A 581 S20300 Specialsteel Free-Machining Stainless Steel Wire and Wire Rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 581 S20300
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 581 S20300 Austenite SAE USA Free-Machining Stainless Steel Wire and Wire Rods

Chemical composition(mass fraction)(wt.%) of the A 581 S20300

C Mn Si P S Cr Ni Mo Cu
≤0.08 5.00 -6.50 ≤1.00 ≤0.04 0.18 -0.35 16.00 -18.00 5.00 -6.00 ≤0.50 1.75 -2.25

Mechanical Properties of steel grade A 581 S20300

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)
795 (≥) 236 (≥) 21 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade A 581 S20300

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
13 - -     0.24 -  
999 853 - 33.3 233   -  
773 - 23 33.2   241 334

Heat Treatment of steel grade A 581 S20300

Heat treated : 1716°C - 1758°C

Technological Curves of steel grade A 581 S20300

Cross Reference Table (Equivalent Grade) of A 581 S20300

Grade Standard Country Application
S20300
S20300

Relevant standard of A 581 S20300

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

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