CNS 321 Stainless Steels to G3067

CNS 321 - Specification & Application

  • G3067 - Stainless steel bars
  • G3077 - Stainless steel wire rods
  • G3076 - Stainless steel wires

Stainless steel wire rods

Chemical composition(wt.%) of CNS 321 grade: to G3067

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.030
Ni 9.00 13.00
Cr 17.00 19.00
Mo - -
Ti 5×C% -

CNS 321 - Detail

Stainless steel wire rods

Mechanical properties of grade CNS 321 G3067

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)
718 (≥) 486 (≥) 31 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical properties of grade CNS 321 G3067

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
915 (≥) 344 (≥) 13 33 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 222
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
773 465 247
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