1Cr11Ni2W2MoV Stainless Steels to GB/T 1221 (1992)

1Cr11Ni2W2MoV - Specification & Application

  • GB/T 1221 (1992) - Heat-resisting steel bars
  • GB/T 4356 (2002) - Stainless steel wire rods

Heat-resisting steel bars

Chemical composition(wt.%) of 1Cr11Ni2W2MoV grade: to GB/T 1221 (1992)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.10 0.16
Si - 0.60
Mn - 0.60
P - 0.035
S - 0.030
Ni 1.40 1.80
Cr 10.50 12.00
Mo 0.30 0.50
W 1.50 2.00
V 0.18 0.30

1Cr11Ni2W2MoV - Detail

1Cr11Ni2W2MoV

Mechanical properties of grade 1Cr11Ni2W2MoV GB/T 1221 (1992)

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)
332 (≥) 263 (≥) 24 44 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical properties of grade 1Cr11Ni2W2MoV GB/T 1221 (1992)

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
276 (≥) 767 (≥) 33 31 11 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
466 329 123

Equivalent Grade

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