Table 2.
Mechanical properties of ARMSTAL 30PM steel in relation to other steels with similar hardness (adapted from [35,39]).
| Steel Grade | Thickness, (mm) | Re02, (MPa) |
Rm, (MPa) |
A5, (%) |
Impact Energy ISO-V-40 °C, (J) | Hardness, (HB) |
|---|---|---|---|---|---|---|
| ARMSTAL 30PM | Up to 20 | 1300 | 1600 | 8 | >20 | 460 ÷ 540 |
| Armox 600T | 1500 | 2000 | 7 | 12 | 570 ÷ 640 | |
| Armox 500T | 6 ÷ 13 | 1300 | 1500 ÷ 1750 | 8 | 20 | 480 ÷ 540 |
| Armox 440T | up to 50 | 1100 | 1250 ÷ 1550 | 10 | 30 | 420 ÷ 480 |
| Hardox 400 | up to 50 | 1000 | 1250 | 10 | 30 | 360 ÷ 440 |
| Hardox 500 | up to 50 | 1300 | 1550 | 8 | 25 | 450 ÷ 530 |
| Weldox 900E | up to 25 | 960 | 1060 | 14 | 30 | - |
| HCM 480 MILAR | 8 ÷ 40 | 1250 | 1450 ÷ 1750 | 8 | min. 20 | 480 ÷ 520 |
| HCM 580 MILAR | 8 ÷ 40 | 1500 | 2000 | 7 | min. 12 | 580 ÷ 620 |