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1.2057

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105Cr4 145Cr6
#1.2057

Description

Germany DIN 1.2057 Cold working alloy tool steel and 1.2057 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 1.2057
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 1.2057 DIN Germany Cold working alloy tool steel
75Cr1
1.2003
85Cr1
1.2004
140Cr3
140Cr2
1.2008
90Cr3
1.2056
105Cr4

Chemical composition(mass fraction)(wt.%) of the 1.2057

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
1.00-1.10 0.15-0.35 0.20-0.40 Max 0.030 Max 0.030 0.90-1.10

Mechanical Properties of steel grade 1.2057

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)
851 (≥) 252 (≥) 11 14 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade 1.2057

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
22 - -     0.41 -  
996 696 - 31.3 334   -  
695 - 34 23.2   331 111

Heat Treatment of steel grade 1.2057

Heat treated : 1524°C - 1586°C

Technological Curves of steel grade 1.2057

Cross Reference Table (Equivalent Grade) of 1.2057

Grade Standard Country Application
1.2057 DIN Germany Cold working alloy tool steel
105Cr4 145Cr6
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