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2Cr11NiMoNbVN

Description

China GB GB/T 8732 (2004) , 2Cr11NiMoNbVN Specialsteel Steels of blade for steam turbine and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 2Cr11NiMoNbVN
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 2Cr11NiMoNbVN GB China Steels of blade for steam turbine

Chemical composition(mass fraction)(wt.%) of the 2Cr11NiMoNbVN

C Mn P S Si Ni Cr Mo Cu V Al N Nb
0.1500 -0.2000 0.5000 -0.8000 ≤0.0200 ≤0.0150 ≤0.5000 0.3000 -0.6000 10.0000 -12.0000 0.6000 -0.9000 ≤0.1000 0.2000 -0.3000 ≤0.0300 0.0400 -0.0900 0.2000 -0.6000

Mechanical Properties of steel grade 2Cr11NiMoNbVN

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
274 (≥) 878 (≥) 22 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade 2Cr11NiMoNbVN

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
13 - -     0.14 -  
856 633 - 23.3 414   -  
653 - 41 23.2   242 442

Heat Treatment of steel grade 2Cr11NiMoNbVN

Heat treated : 1618°C - 1324°C

Technological Curves of steel grade 2Cr11NiMoNbVN

Relevant standard of 2Cr11NiMoNbVN

GB/T 8732 (2004) Steels of blade for steam turbine GB-T-8732--(2004)-.pdf

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