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GB 2Cr11NiMoNbVN Details

2Cr11NiMoNbVN Application:Steels of blade for steam turbine

Category Type Grade Designations
Grades Stainless Steels 2Cr11NiMoNbVN China - GB , GB/T 8732 (2004) - Steels of blade for steam turbine

Chemical composition(wt.%) of 2Cr11NiMoNbVN grade: GB/T 8732 (2004)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.1500 0.2000
Mn 0.5000 0.8000
P - 0.0200
S - 0.0150
Si - 0.5000
Ni 0.3000 0.6000
Cr 10.0000 12.0000
Mo 0.6000 0.9000
Cu - 0.1000
V 0.2000 0.3000
Al - 0.0300
N 0.0400 0.0900
Nb 0.2000 0.6000
2Cr11NiMoNbVN Steels of blade for steam turbine

Mechanical properties of grade 2Cr11NiMoNbVN GB/T 8732 (2004)

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)
444 (≥) 692 (≥) 22 12 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical properties of grade 2Cr11NiMoNbVN GB/T 8732 (2004)

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
129 (≥) 986 (≥) 42 32 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 113
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
382 783 953

2Cr11NiMoNbVN - 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
2Cr11NiMoNbVN GB China
Steels of blade for steam turbine
S47450 GB China
Steels of blade for steam turbine
S47670 GB China
Steels of blade for steam turbine

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