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GB 0Cr17Ni4Cu4Nb Details

0Cr17Ni4Cu4Nb Application:Stainless steel bars

Category Type Grade Microstructure Designations
Grades Stainless Steels 0Cr17Ni4Cu4Nb Precipitation-Hardening China - GB , 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

Chemical composition(wt.%) of 0Cr17Ni4Cu4Nb grade: 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

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)
733 (≥) 282 (≥) 12 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

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
558 (≥) 171 (≥) 13 34 22 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
995 979 676

0Cr17Ni4Cu4Nb - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
0Cr17Ni4Cu4Nb GB China
Stainless steel bars

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