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57NiCrMoV7-7

Description

Germany DIN 57NiCrMoV7-7 Hot working alloy tool steel and 57NiCrMoV7-7 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 57NiCrMoV7-7
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 57NiCrMoV7-7 DIN Germany Hot working alloy tool steel
56NiCrMoV7
1.2714
26NiCrMoV5
1.2726
X50NiCrWV13-13
1.2731
28NiCrV5
1.2737
28NiCrMoV10
1.2740

Chemical composition(mass fraction)(wt.%) of the 57NiCrMoV7-7

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%)
0.55-0.60 0.15-0.35 0.60-0.80 Max 0.035 Max 0.035 0.90-1.20 1.50-1.80 0.70-0.90 0.07-0.12

Mechanical Properties of steel grade 57NiCrMoV7-7

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)
411 (≥) 253 (≥) 21 13 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade 57NiCrMoV7-7

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
44 - -     0.43 -  
945 939 - 43.3 441   -  
639 - 43 41.2   334 212

Heat Treatment of steel grade 57NiCrMoV7-7

Heat treated : 1163°C - 1629°C

Technological Curves of steel grade 57NiCrMoV7-7

Cross Reference Table (Equivalent Grade) of 57NiCrMoV7-7

Grade Standard Country Application
57NiCrMoV7-7 DIN Germany Hot working alloy tool steel

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