0Cr17Ni4Cu4Nb Stainless Steels to GB/T 1220 (1992)

0Cr17Ni4Cu4Nb - Specification & Application

  • GB/T 1220 (1992) - Stainless steel bars
  • GB/T 1221 (1992) - Heat-resisting steel bars
  • GB/T 8732 (2004) - Steels of blade for steam turbine

Stainless steel bars

Chemical composition(wt.%) of 0Cr17Ni4Cu4Nb grade: to GB/T 1220 (1992)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.07
Si - 1.00
Mn - 1.00
P - 0.035
S - 0.030
Ni 3.00 5.00
Cr 15.50 17.50
Nb 0.15 0.45
Cu 3.00 5.00

0Cr17Ni4Cu4Nb - Detail

0Cr17Ni4Cu4Nb

Mechanical properties of grade 0Cr17Ni4Cu4Nb GB/T 1220 (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)
398 (≥) 743 (≥) 31 34 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical properties of grade 0Cr17Ni4Cu4Nb GB/T 1220 (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
869 (≥) 682 (≥) 12 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 431
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
753 999 435

Equivalent Grade

Equivalent Products

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