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Description

Germany DIN 74NiCr2 Cold working alloy tool steel and 74NiCr2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 74NiCr2
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 74NiCr2 DIN Germany Cold working alloy tool steel
80WCrV8
1.2562
142WV13
1.2601
X165CrMoV12
1.2604
73WCrMoV2-2
1.2631
X50CrMoW9-1-1
1.2703

Chemical composition(mass fraction)(wt.%) of the 74NiCr2

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
0.70-0.78 0.10-0.25 0.35-0.45 Max 0.035 Max 0.035 0.20-0.30 0.50-0.60

Mechanical Properties of steel grade 74NiCr2

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)
549 (≥) 573 (≥) 32 41 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade 74NiCr2

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
24 - -     0.43 -  
353 786 - 21.3 324   -  
636 - 23 24.2   444 443

Heat Treatment of steel grade 74NiCr2

Heat treated : 1871°C - 1123°C

Technological Curves of steel grade 74NiCr2

Cross Reference Table (Equivalent Grade) of 74NiCr2

Grade Standard Country Application
74NiCr2 DIN Germany Cold working alloy tool steel

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