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70MnMoCr8

Description

ISO ISO 70MnMoCr8 Carbide for cutting tools and 70MnMoCr8 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 70MnMoCr8
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 70MnMoCr8 ISO ISO Carbide for cutting tools
C105U
C120U
C120U
105V
105V
50WCrV8
50WCrV8
60WCrV8
60WCrV8
70MnMoCr8

Chemical composition(mass fraction)(wt.%) of the 70MnMoCr8

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%)
0.65-0.75 0.10-0.50 1.80-2.50 ≤0.030 ≤0.030 0.90-1.20 0.90-1.40

Mechanical Properties of steel grade 70MnMoCr8

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)
882 (≥) 629 (≥) 23 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade 70MnMoCr8

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
34 - -     0.21 -  
219 546 - 43.3 133   -  
142 - 44 33.2   231 323

Heat Treatment of steel grade 70MnMoCr8

Heat treated : 1516°C - 1327°C

Technological Curves of steel grade 70MnMoCr8

Cross Reference Table (Equivalent Grade) of 70MnMoCr8

Grade Standard Country Application
102Cr6 DIN Germany Cold working alloy tool steel
70MnMoCr8 ISO ISO Carbide for cutting tools
70MnMoCr8 ISO ISO Carbide for cutting tools
EN 102Cr6 EN Euronorm Euronorm Tool steel

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