A 493 S40940 Stainless Steels to A 493 (2009)

A 493 S40940 - Specification & Application

  • A 493 (2009) - Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging

Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging

Chemical composition(wt.%) of A 493 S40940 grade: to A 493 (2009)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.06
Mn - 1.00
Si - 1.00
P - 0.045
S - 0.04
Cr 10.50 11.70
Ni - 0.50
Mo - -

A 493 S40940 - Detail

Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging

Mechanical properties of grade A 493 S40940 A 493 (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)
563 (≥) 461 (≥) 12 11 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical properties of grade A 493 S40940 A 493 (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
671 (≥) 196 (≥) 44 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 144
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
789 582 288

Equivalent Grade

Equivalent Products

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