DIMO C45 (EN 1.0503)

DIMO C45 (EN 1.0503)

DIMO C45 (EN 1.0503) introduction

DIMO C45 is an unalloyed carbon tool steel for the construction of plastic mold assemblies.

DIMO C45 is supplied in a stress relieved condition with a normalized ferrite-pearlite-microstructure.
The normalizing can be replaced by a normalizing rolling. Cut edges are stress relieved by an
appropriate heat treatment.

DIMO C45 is a modified version of C45 in accordance with DIN EN ISO 4957 (steel number 1.1730),
DIN EN 10083-2 (steel number 1.0503 or 1.1191) respectively Grade 1045 in accordance with ASTM
A 830 in holderblock quality.

Equivalent material: EN 1.1730, EN C45, EN 1.0503, EN 1.1191, DIN 1.1730, DIN C45, DIN 1.0503, DIN 1.1191, ASTM Grade 1045, AISI 1045

DIMO C45 (EN 1.0503) general

Property Value Comment
Hardness, Brinell Hardness, Brinell of 150 - 220 [-] HBW | delivery condition

DIMO C45 (EN 1.0503) chemical

Property Value Comment
Carbon Carbon of 0.42 - 0.5 % limiting values
- Carbon of 0.47 % auxiliary data
Chromium Chromium of 0.04 % auxiliary data
- Chromium of 0.4 % max. limiting values for steel grades according DIN EN 10083-2
Iron -
Manganese Manganese of 0.5 - 0.8 % limiting values
- Manganese of 0.74 % auxiliary data
Molybdenum Molybdenum of 0.09 % auxiliary data
- Molybdenum of 0.1 % max. limiting values for steel grades according DIN EN 10083-2
Nickel Nickel of 0.04 % auxiliary data
- Nickel of 0.4 % max. limiting values for steel grades according DIN EN 10083-2
Other Other of 0.09 % auxiliary data
- Other of 0.63 % max. limiting values for Cr+Mo+Ni for steel grades according DIN EN 10083-2
Phosphorus Phosphorus of 0.017 % auxiliary data
- Phosphorus of 0.025 % max. limiting values
Silicon Silicon of 0.34 % auxiliary data
- Silicon of 0.4 % max. limiting values
Sulfur Sulfur of 0.002 % auxiliary data
- Sulfur of 0.01 % max. limiting values

DIMO C45 (EN 1.0503) electrical

Property - -
Application areas
Delivery condtion
General note
Heat Treatment
Other Thickness ≥ 10 ≤ 130 mm ≥ 3/8 ≤ 5 in > 130 ≤ 305 mm > 5 ≤ 12 in
Width ≥ 1000 ≤ 3000 mm ≥ 40 ≤ 119 in ≥ 1000 ≤ 2050 mm ≥ 40 ≤ 80.5 in
Length ≥ 3000 ≤ 6000 mm ≥ 119 ≤ 236 in ≥ 3000 ≤ 6000 mm ≥ 119 ≤ 236 in

DIMO C45 (EN 1.0503) mechanical

Property Temperature Value Comment
Coefficient of thermal expansion - Coefficient of thermal expansion of 1.11e-05 1/K 20-100 °C
- - Coefficient of thermal expansion of 1.18e-05 1/K 20-200 °C
- - Coefficient of thermal expansion of 1.28e-05 1/K 20-300 °C
- - Coefficient of thermal expansion of 1.36e-05 1/K 20-400 °C
- - Coefficient of thermal expansion of 1.37e-05 1/K 20-500 °C
- - Coefficient of thermal expansion of 1.43e-05 1/K 20-600 °C
Specific heat capacity - Specific heat capacity of 470 J/(kg·K) -
Thermal conductivity 20 °C Thermal conductivity of 48 W/(m·K) -
- 100 °C Thermal conductivity of 49 W/(m·K) -
- 200 °C Thermal conductivity of 49 W/(m·K) -
- 300 °C Thermal conductivity of 48 W/(m·K) -
- 400 °C Thermal conductivity of 47 W/(m·K) -

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