List Of Materials
List of materials
| A | Sheet steel |
| B | High-strength steel |
| C | Very-high-strength steel |
| D | Ultra-high-strength steel |
| Item | Material group | Material | Proof stress | Tensile strength | Use/Characteristics | ||
|---|---|---|---|---|---|---|---|
| A | Sheet steel | DX54 | 120-220 N/mm(1) | 260-350 N/mm(1) | Outer skin parts | ||
| DX56 | 120-180 N/mm(1) | 260-350 N/mm(1) | very malleable Can be MIG welded |
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| DX57 | 120-170 N/mm(1) | 260-350 N/mm(1) | Part replacement as per Workshop Service Information | ||||
| B | High-strength steel | HX260LAD | 260-330 N/mm(1) | 350-430 N/mm(1) | Reinforcement parts | ||
| HX340LAD | 340-420 N/mm(1) | 410-510 N/mm(1) | moderately to not very malleable Can be MIG welded |
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| HX420LAD | 420-520 N/mm(1) | 470-590 N/mm(1) | Part replacement as per Workshop Service Information | ||||
| C | Very-high-strength steel | HCT600X | 340-420 N/mm(1) | >690 N/mm(1) | Reinforcement parts not malleable | ||
| HCT780X | 470-600 N/mm(1) | > 780 N/mm(1) | Can be MIG welded Can be resistance spot-welded only using approved welders Part replacement is not permitted |
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| D | Ultra-high-strength steel | 22MnB5 | > 950 N/mm(1) | > 1, 400 N/mm(1) | Pillars and columns not malleable MIG welding permitted only in exceptional cases Can be resistance spot-welded only using approved welders Part replacement is not permitted |
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1)
Proof stress (yield stress) is the amount of mechanical stress above which a material will extend or buckle irreversibly or deform plastically.
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