24 July 2021 High Strength Steel Sheet(HSLA)
Ramor 550 High Strength Steel Plate
Ramor™ 550 is a ballistic protection steel of extra-high hardness, available in thicknesses of 3‑15 mm (0.118‑0.591″) and hardnesses of 540‑600 HBW.
Ramor 550 is available as cut-to-length sheet in thicknesses of 3‑6 mm (0.118‑0.236″) and as plate in thicknesses of 6‑15 mm (0.236‑0.591″). Delivered in quenched condition, Ramor 550 is not intended for further heat treatment.
Ramor armor steel is extremely strong and tough. By using optimized alloy content in combination with patented direct quenching process, high hardness and toughness can be achieved. Ramor offers excellent ballistic properties in combination with high hardness and strength. Ramor is developed for applications where blast protection or high ballistic resistance is required, such as armored vehicles, doors, window frames and systems for transport of valuables. Shooting range equipment is another application for which the product has been developed in cooperation with customers.
Mechanical Properties:
| Ramor | Yield strength Re MPa | Tensile Strength Rm MPa | Elongation A5 % | Hardness HBW | Impact strength t °C | all directions Chapy V J |
| Ramor 300 | 820 | 940 | 8 | 260-320 | -40°C | 60 J |
| Ramor 400 | 1100 | 1300 | 8 | 360-460 | -40°C | 20 J |
| Ramor 450 | 1200 | 1400 | 10 | 400-480 | -40°C | 35 J |
| Ramor 500 | 1450 | 1700 | 7 | 490-560 | -40°C | 20 J |
| Ramor 550 | 1550 | 1850 | 7 | 540-600 | -40°C | 16 J |