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Description

China GB GB/T 1221 (1992) , GB/T 8732 (2004) , 1Cr11MoV Specialsteel Steels of blade for steam turbine and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1Cr11MoV
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 1Cr11MoV Martensite GB China Steels of blade for steam turbine

Chemical composition(mass fraction)(wt.%) of the 1Cr11MoV

C Si Mn P S Ni Cr Mo V
0.11 -0.18 ≤0.50 ≤0.60 ≤0.035 ≤0.030 ≤0.60 10.00 -11.50 0.50 -0.70 0.25 -0.40

Mechanical Properties of steel grade 1Cr11MoV

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)
328 (≥) 845 (≥) 34 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade 1Cr11MoV

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
41 - -     0.14 -  
396 824 - 22.3 144   -  
584 - 22 13.2   213 122

Heat Treatment of steel grade 1Cr11MoV

Heat treated : 1278°C - 1982°C

Technological Curves of steel grade 1Cr11MoV

Relevant standard of 1Cr11MoV

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

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