EN8 Steel Properties BS970 080M40 Equivalent Material Tensile Yield Strength
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Performance Ratings
Performance Radar
Composition
Mechanical Properties
| Tensile Strength | 550.0 MPa |
| Yield Strength | 280.0 MPa |
| Elongation | 16.0% |
| Hardness (Brinell) | 152.0 HB |
| Hardness (Rockwell) |
Chemical Composition
| Element | Percentage (%) |
|---|---|
| C | 0.10-0.40 |
| Mn | 0.05 |
| Si | 0.60-1.00 |
| Steel | 0.36-0.44 |
| P, ≤ | 0.05 |
| S, ≤ | 0.06 |
| Steel name | En8; 080M40 |
| Country (Region) | BS 970-1991 |
| Steel name (Steel number) | C40 (1.0511); C40E (1.1186); C45 (1.0503) |
Where to Buy EN8 Steel Properties BS970 080M40 Equivalent Material Tensile Yield Strength
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Description
En8 steel was renamed 080M40 in 1970. It is a commonly used medium carbon engineering steel with good mechanical properties and is widely used in the manufacture of mechanical parts, such as general axles and shafts, gears, bolts and stud bolts. The standard for this steel is BS970, first published in 1941. The following tables summarize En8 steel properties, and specifications including chemical composition, mechanical properties, welding, hardness, heat treatment, etc. EN8 steel and BS970 080M40 material chemical composition is listed in the following table.