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A 581 Type 303Se

Description

USA SAE ASTM A 581 / A 581M, A 581 Type 303Se Specialsteel Free machining stainless and heat resisting steel wire and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 581 Type 303Se
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 581 Type 303Se Austenite SAE USA Free machining stainless and heat resisting steel wire

Chemical composition(mass fraction)(wt.%) of the A 581 Type 303Se

C Si Mn P S Cr Ni Se
≤0.15 ≤1.00 ≤2.00 ≤0.2 ≤0.06 17.0 -19.0 8.00 -10.0 0.15 - ≥

Mechanical Properties of steel grade A 581 Type 303Se

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)
369 (≥) 891 (≥) 23 11 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade A 581 Type 303Se

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
42 - -     0.32 -  
174 892 - 14.3 214   -  
992 - 14 11.2   224 241

Heat Treatment of steel grade A 581 Type 303Se

Heat treated : 1388°C - 1839°C

Technological Curves of steel grade A 581 Type 303Se

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

Grade Standard Country Application
303Se
303Se
MT303Se
SUS303Se
SUS303Se

Relevant standard of A 581 Type 303Se

ASTM A 581 / A 581M Free machining stainless and heat resisting steel wire ASTM-A-581---A-581M.pdf

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