Chrome steel for hardening and surface hardening with the strength of 700–950 N/mm². Weld resistant, easy mechanical processing. Characterised by very high strength.
Chrome steel for hardening and surface hardening with the strength of 700–950 N/mm². Weld resistant, easy mechanical processing. Characterised by very high strength.
Steel for crankshaft bearings, front axles, steering parts, gears, levers, connecting rods, tool housing & handle elements, connecting elements, grinding wheels. After surface hardening, allows for production of shafts, mandrels.
Chemical composition
| Element | C | Si | Mn | P | S | Cr | Cu |
| min | 0.38 | 0.10 | 0.60 | max | max | max | max |
| max | 0.45 | 0.40 | 0.90 | 0.025 | 0.035 | 0.035 | 0.40 |
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Equivalents
| Wr.Nr. | PN | EN | GOST | AISI |
| 1.7035 | 40H | 41Cr4 | 40X | 5140 |
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