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Description

C125U Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: C125U
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel C125U
C70U
C80U
C80W1
1.1525
1.1545
C105W1
C105U
1.1554
C110W
C110U

Chemical composition(mass fraction)(wt.%) of the C125U

 

 

 

 

 

 

Si 
Mn 
 P
 S
Cr   Ni  Mo  Other
1.20-1.35  0.10-0.30  0.10-0.35  0.030  0.030        

Mechanical Properties of steel grade C125U

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)
155 (≥) 828 (≥) 44 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade C125U

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
32 - -     0.42 -  
773 993 - 41.3 241   -  
182 - 24 12.2   312 142

Heat Treatment of steel grade C125U

Heat treated : 1226°C - 1677°C

Technological Curves of steel grade C125U


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