A 581 S18200 Stainless Steels to A 581/A 581M (2009)

A 581 S18200 - 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 S18200 grade: to A 581/A 581M (2009)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Mn 1.25 2.50
Si - 1.00
P - 0.04
S - 0.15
Cr 17.50 19.50
Ni - -
Mo 1.50 2.50

A 581 S18200 - Detail

Free-Machining Stainless Steel Wire and Wire Rods

Mechanical properties of grade A 581 S18200 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)
174 (≥) 889 (≥) 41 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical properties of grade A 581 S18200 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
885 (≥) 977 (≥) 44 13 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 241
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
237 474 971

Equivalent Products

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