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1.2003

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75Cr1 85Cr1
#1.2003

Description

Germany DIN 1.2003 Cold working alloy tool steel and 1.2003 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 1.2003
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 1.2003 DIN Germany Cold working alloy tool steel
C75W
1.1750
C55W
1.1820
C85W
1.1830
125Cr1
125Cr2
1.2002
75Cr1

Chemical composition(mass fraction)(wt.%) of the 1.2003

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.70-0.80 0.25-0.50 0.60-0.80 Max 0.030 Max 0.030 0.30-0.40

Mechanical Properties of steel grade 1.2003

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)
545 (≥) 111 (≥) 12 11 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade 1.2003

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
31 - -     0.21 -  
758 522 - 44.3 122   -  
173 - 11 31.2   134 434

Heat Treatment of steel grade 1.2003

Heat treated : 1479°C - 1758°C

Technological Curves of steel grade 1.2003

Cross Reference Table (Equivalent Grade) of 1.2003

Grade Standard Country Application
1.2003 DIN Germany Cold working alloy tool steel
75Cr1 85Cr1
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