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1.2004

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85Cr1 140Cr3
#1.2004

Description

Germany DIN 1.2004 Cold working alloy tool steel and 1.2004 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 1.2004
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 1.2004 DIN Germany Cold working alloy tool steel
C55W
1.1820
C85W
1.1830
125Cr1
125Cr2
1.2002
75Cr1
1.2003
85Cr1

Chemical composition(mass fraction)(wt.%) of the 1.2004

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.80-0.90 0.30-0.50 0.50-0.70 Max 0.035 Max 0.035 0.30-0.45

Mechanical Properties of steel grade 1.2004

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)
116 (≥) 832 (≥) 31 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade 1.2004

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
11 - -     0.41 -  
142 592 - 23.3 213   -  
286 - 11 11.2   123 313

Heat Treatment of steel grade 1.2004

Heat treated : 1496°C - 1441°C

Technological Curves of steel grade 1.2004

Cross Reference Table (Equivalent Grade) of 1.2004

Grade Standard Country Application
1.2004 DIN Germany Cold working alloy tool steel
85Cr1 140Cr3
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