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57NiCrMoV7-7

Favorite Datasheet
1.2740 1.2744
#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
1.2740 1.2744
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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