Description of EN8D-080A42 (C45) Steel
EN8D – 080A42 C45 steel is considered medium carbon steel used in applications requiring higher strength than Mild Steel. It is easily heat-treated for extra strength.
We supply EN8D – 080A42 Steel in thicknesses from 6mm to 350mm.
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Mechanical Properties of Steel 080A42
- The mechanical properties of this steel depend on heat treatment, which provides greater strength and hardness.
Drawn 080A42
- Hardness is 230 – 250 BHN
- Tensile Strength is between 730-840 MPa, depending on thickness
- Minimum Yield Strength 680 N/mm2 depending on thickness.
Peeled 080A42
- Hardness is 201 BHN
- Tensile Strength is between 620 MPa, depending on thickness
- Minimum Yield Strength 415 N/mm2 depending on thickness.
080A42 Chemical Composition
This steel grade is medium-carbon steel.
| Mn % max. | Phos % max. | S % max. | Si % max. | C % max. |
| 0.90 | 0.005 | 0.005 | 0.40 | 0.45 |
Other elements and differences in particular 080A42 products will be detailed in the documentation. Carbon content is dependent on thickness.
Heat Treatment
Steel grade EN8D – 080A42 is suitable for heat treatment to provide extra strengthening or annealing.
EN8D – 080A42 Typical Applications
Long and flat products of steel grade 080A42 are used in automotive and general engineering components with low stress.
We supply and process steel grade EN8D – 080A42 for several markets and industries, including:
- Automotive
- Engineering
- Rail Network
We carry a broad steel range, carrying 3000 tonnes of stock at any time. We supply EN8D – 080A42 in thicknesses from 6mm-550mm.
EN8D – 080A42: Other Classifications
| Country/Region | Steel Grade |
| DE | CK45 |
| FR | XC42 |
| UK | Formerly EN8D BS970:1955 |
| EU | C45 |
| SWE | 1650 |
| US | 1040 |
