CNS 630 Stainless Steels to G3067

CNS 630 - Specification & Application

  • G3067 - Stainless steel bars

Stainless steel bars

Chemical composition(wt.%) of CNS 630 grade: to G3067

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.07
Si - 1.00
Mn - 1.00
P - 0.040
S - 0.030
Ni 3.00 5.00
Cr 15.50 17.50
Cu 3.00 5.00
Nb 0.15 0.45

CNS 630 - Detail

Stainless steel bars

Mechanical properties of grade CNS 630 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)
427 (≥) 793 (≥) 42 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical properties of grade CNS 630 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
837 (≥) 932 (≥) 21 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 312
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
925 747 494
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