A 581 S43020 Stainless Steels to A 581/A 581M (2009)

A 581 S43020 - Specification & Application

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

Free-Machining Stainless Steel Wire and Wire Rods

Chemical composition(wt.%) of A 581 S43020 grade: to A 581/A 581M (2009)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Mn - 1.25
Si - 1.00
P - 0.06
S - 0.15
Cr 16.00 18.00
Ni - -
Mo - 0.60

A 581 S43020 - Detail

Free-Machining Stainless Steel Wire and Wire Rods

Mechanical properties of grade A 581 S43020 A 581/A 581M (2009)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
274 (≥) 165 (≥) 43 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical properties of grade A 581 S43020 A 581/A 581M (2009)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
324 (≥) 135 (≥) 24 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 211
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
389 998 693

Equivalent Products

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