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| Mat.-No. | EN/DIN - designation |
Vorschrift Regulation | AFNOR | AISI | material charakteristics | Delivered condition | Application | Analyse (mass%) | ||||||||
| C | Si | Mn | P | S | Cr | Ni | Mo | V | ||||||||
| 7131 | 16MnCr5 | EN 10084 | 16 MC 5 | -- | case hardenable, suitable for upsetting | annealed | gears | 0,14-0,19 | max.0,4 | 1,0-1,3 | max.0,035 | max.0,035 | 0,8-1,1 | -- | -- | -- |
| 6580 | 30CrNiMo8 | EN 10083 SEW 550 |
30 CND 8 | suitable for quenching and tempering | hardened and tempered to 1,100-1,250 MPa | mechanical engineering | 0,26-0,33 | max.0,4 | 0,3-0,6 | max.0,035 | max.0,035 | 1,8-2,2 | 1,8-2,2 | 0,30-0,50 | -- | |
| 6582 | 34CrNiMo6 | EN 10083 SEW 550 |
34 CND 6 | -- | suitable for quenching and tempering | annealed | mechanical engineering | 0,3-0,38 | max.04 | 0,5-0,7 | max.0,035 | max.0,035 | 1,4-1,7 | 1,4-1,7 | 0,15-0,3 | -- |
| 6959 | 35NiCrMoV12-5 | -- | -- | -- | suitable for quenching and tempering | hardened and tempered to 1,100-1,250 MPa | mechanical engineering | 0,3-0,4 | 0,15-0,35 | 0,4-0,7 | max.0,015 | max.0,015 | 1,0-1,4 | 2,5-3,5 | 0,35-0,6 | 0,08-0,2 |
| 6981 | 21CrMoNiV4-7 | -- | -- | -- | elevated temperature resistant | hardened and tempered | mechanical engineering | 0,17-0,25 | 0,15-0,35 | 0,35-0,85 | max.0,03 | max.0,035 | 0,9-1,2 | 0,2-0,8 | 0,65-0,8 | 0,25-0,35 |
| 7225 | 42CrMo4 | EN 10083 SEW 550 |
40 CD 4 | 4140 | suitable for quenching and tempering | hardened and tempered | turbine shafts/screws | 0,38-0,45 | max.0,4 | 0,6-0,8 | max.0,035 | max.0,035 | 0,9-1,2 | -- | 0,15-0,30 | -- |
| 7709 | 21CrMoV5-7 | En 10269 | -- | -- | elevated temperature resistant | hardened and tempered | turbine shafts/screws | 0,17-0,25 | max.0,4 | 0,4-0,8 | max.0,025 | max.0,03 | 1,2-1,5 | -- | 0,55-0,8 | 0,25-0,35 |
| 7735 | 14CrMoV6-9 | -- | 20 CDV 5 7 | -- | nitriding steel with high toughness and thermal strength, weldable, high purity, surface hardness after nitriding 750-900 HV-5 approx | hardened and tempered to 900-1,050 MPa | extrusion tools | 0,11-0,17 | max.0,25 | 0,8-1,0 | max.0,002 | max.0,015 | 1,25-1,5 | -- | 0,8-1,0 | 0,20-0,30 |
| 8519 | 31CrMoV9 | EN 10085 | 30 CDV 9 | -- | nitriding steel, surface hardness after nitriding 750-850 HV-S | annealed | mechanical engineering | 0,26-0,34 | max.0,4 | 04-0,7 | max.0,025 | max.0,03 | 2,3-2,7 | -- | 0,15-0,25 | 0,1-0,2 |
| 8550 | 34CrAINi7 | EN 10085 | 34 CAND 7 | -- | aluminium alloy standard nitriding steel, surface hardness after nitriding 900-1,150 HV-% approx | hardened and tempered | extrusion tools | 0,3-0,37 | max.0,4 | 0,4-0,7 | max.0,025 | max.0,03 | 1,5-1,8 | 0,85-1,15 | 0,15-0,25 | -- |
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