Popular and commonly used steel for heat treatment, chemical treatment, and carburizing. Has a more durable core than grades 1.7131, 16MnCr5, 16HG. Suitable for machining, welding after preheating, and cutting.
Popular and commonly used steel for heat treatment, chemical treatment, and carburizing. Has a more durable core than grades 1.7131, 16MnCr5, 16HG. Suitable for machining, welding after preheating, and cutting.
Parts exposed to high abrasive wear and working under heavy stress: piston pins, levers, scroll wheels, sleeves, camshafts & other vehicle parts.
Chemical composition
| Element | C | Si | Mn | P | S | Cr | Cu |
| min | 0.17 | max | 1.10 | max | max | 1.00 | max |
| max | 0.22 | 0.40 | 1.40 | 0.025 | 0.035 | 1.30 | 0.40 |
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Equivalents
| Wr.Nr. | PN | EN | GOST | AISI |
| 1.7147 | 20HG | 20MnCr5 | ~18ЦХГ | ~5120H |
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