EN 10268 Grade HC260LA
EN 10268 Grade HC260LA introduction
The EN HC260LA grade is characterised by their low content of both carbon and micro-alloying elements. This gives outstanding functional properties, such as weldability and coatability. The hardening achieved by controlled internal purity and fine grain size structure ensures excellent mechanical strength. The grade available is in compliance with EN 10268:2006+A1:2013 and are obtained after either batch or continuous annealing. The grade with yield strength ≥ 460 MPa are only produced by the continuous annealing process. It combine improved weldability with good formability. The narrow variation margins for their mechanical properties make it easy to shape the steel (presses or automated lines). They also have good fatigue and impact resistance.
EN 10268 Grade HC260LA chemical
| Property | Value | Comment |
|---|---|---|
| Aluminium | Aluminium of 0.015 % | min. |
| Carbon | Carbon of 0.1 % | max. |
| Manganese | Manganese of 1 % | max. |
| Niobium | Niobium of 0.09 % | max. |
| Phosphorus | Phosphorus of 0.03 % | max. |
| Silicon | Silicon of 0.5 % | max. |
| Sulfur | Sulfur of 0.025 % | max. |
| Titanium | Titanium of 0.15 % | max. |
EN 10268 Grade HC260LA mechanical
| Property | Value | Comment |
|---|---|---|
| Elongation | Elongation of 24 % | min. | for thickness 0.5-0.7 mm | A80 | Transverse |
| - | Elongation of 25 % | min. | for thickness 0.5-0.7 mm | A80 |
| - | Elongation of 26 % | min. | for thickness 0.7-3 mm | A80 | Transverse |
| - | Elongation of 27 % | min. | for thickness 0.7-3 mm | A80 |
| Tensile strength | Tensile strength of 340 - 420 MPa | for thickness 0.5-3 mm |
| - | Tensile strength of 350 - 430 MPa | for thickness 0.5-3 mm | Transverse |
| Yield strength | Yield strength of 240 - 310 MPa | for thickness 0.5-3 mm |
| - | Yield strength of 260 - 330 MPa | for thickness 0.5-3 mm | Transverse |
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