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Description

140Cr3 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: 140Cr3
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel 140Cr3
1.1830
C85U
125Cr2
125Cr1
1.2002
1.2003
75Cr1
1.2004
85Cr1
1.2008

Chemical composition(mass fraction)(wt.%) of the 140Cr3

 

Si 
Mn 
 P
 S
Cr   Ni  Mo  Other
 1.35-1.50  0.15-0.30  0.25-0.40  0.035  0.035  0.40-0.70      

Mechanical Properties of steel grade 140Cr3

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)
371 (≥) 419 (≥) 33 14 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade 140Cr3

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 - -     0.21 -  
775 634 - 13.3 223   -  
911 - 21 11.2   113 314

Heat Treatment of steel grade 140Cr3

Heat treated : 1797°C - 1513°C

Technological Curves of steel grade 140Cr3

Cross Reference Table (Equivalent Grade) of 140Cr3

Grade Standard Country Application
140Cr3 DIN Germany Cold working alloy tool steel

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