These steel grades include unalloyed high grade steels as well as quality steels. Usually these steel grades are classified as follows:
Constructional steels are used in very different applications. Depending on the final use the following properties are required:
All standard heat treatment conditions are available.
| Werkstoff-No. | DIN - EN | DIN - Abbreviation | AISI / SAE / ASTM |
| 1.0038 | 10025/83/84 | S 235 JR G 2 | A 570 Gr. 36 |
| 1.0503 | 10025/83/84 | C 45 | 1045 |
| 1.0570 | 10025/83/84 | S 355 J 2 G 3 | 1024,1524 A 572 Gr. 50 |
| 1.0601 | 10025/83/84 | C 60 | 1060 |
| 1.0603 | 10025/83/84 | C 67 | 1070 |
| 1.0605 | 10025/83/84 | C 75 | 1074 / 1075 |
| 1.0715 | 10025/83/84 | 9 SMn 28 | 1213 |
| 1.0718 | 10025/83/84 | 9 SMnPb 28 | 12 L 13 |
| 1.1191 | 10025/83/84 | C 45 E(CK 45) | 1045 |
| 1.1213 | 10025/83/84 | Cf 53 | 1050 / 1055 |
| 1.3401 | 10025/83/84 | X 120 Mn 12 | A 128 (A) |
| 1.3505 | 10025/83/84 | 100 Cr 6 | 52100 |
| 1.5028 | 10025/83/84 | 65 Si 7 | 9260 H |
| 1.5415 | 10025/83/84 | 15 Mo 3 | A 204 Gr. A / 4017 |
| 1.5752 | 10025/83/84 | 14 NiCr 14 | 3310 / 3415 / 9314 |
| 1.5919 | 10025/83/84 | 15 CrNi 6 | 3115 |
| 1.6580 | 10025/83/84 | 30 CrNiMo 8 | - |
| 1.6582 | 10025/83/84 | 34 CrNiMo 6 | 4340 |
| 1.6587 | 10025/83/84 | 17 CrNiMo 6 | - |
| 1.7035 | 10025/83/84 | 41 Cr 4 | 5140 |
| 1.7131 | 10025/83/84 | 16 MnCr 5 | 5115 / SAE 8650 |
| 1.7147 | 10025/83/84 | 20 MnCr 5 | 5120 |
| 1.7218 | 10025/83/84 | 25 CrMo 4 | 4130 |
| 1.7225 | 10025/83/84 | 42 CrMo 4 | 4140 |
| 1.8159 | 10025/83/84 | 50 CrV 4 | 6150 / 6145 |
| 1.8509 | 10025/83/84 | 41 CrAlMo 7 | A 355 Cl. A |
| 1.8519 | 10025/83/84 | 31 CrMoV 9 | - |
| 1.8550 | 10025/83/84 | 34 CrAlNi 7 | - |
| 1.8715 | 10025/83/84 | 17 MnCr 5 3 | - |
| 1.8721 | 10025/83/84 | 26 MnCr 6 3 | - |