12Cr13

This page provides GB/T 8732-2014, 12Cr13 datasheet, 12Cr13 mechanical properties, chemical element 12Cr13, technical specifications of 12Cr13 steel material properties. 12Cr13 performance specifications.

Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 12Cr13 Martensite GB China Steels of blade for steam turbine
Datasheet for:Steel Grades:Specialsteel:12Cr13

Chemical composition(mass fraction)(wt.%) of the 12Cr13

Elements Min.(≥) Max.(≤)
C 0.10 0.15
Si - 0.60
Mn - 0.60
P - 0.030
S - 0.020
Cr 11.50 13.50
Cu - 0.30

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 12Cr13

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)
218 (≥) 924 (≥) 44 14 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 121
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
12 - -     0.23 -  
551 639 - 14.3 413   -  
497 - 22 11.2   241 431
Heat treated : 1667°C - 1437°C
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
12Cr13 GB China
Steels of blade for steam turbine
Relevant standard
Standard No. Description Download
GB/T 8732-2014 Steels of blade for steam turbine
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GB/T 8732-2014, 12Cr13 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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