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| Brand Name | Ravne No. | Mat. No. | DIN | EN | AISI |
| PT181 | 181 | 1.7380 | 10CrMo9-10 | - | A182 Grade F22 |
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| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 0.12 | max. 0.40 | 0.55 | 2.25 | 1.00 | max. 0.50 | - | - | - |
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Description This is chromium-molybdenum structural steel. Applications Component parts for steam boilers and turbines, shafts for higher temperature ranges. |
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Physical properties (avarage values) at ambient temperature: Modulus of elasticity [103 x N/mm2]: 190-210 Density [g/cm3]: 7.80 |
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Normalizing Temperature: 920-980 'C. Stress Relieving Stress relieving to remove machining stresses should be carried out by heating to 675 'C, holding for one hour at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment. Austenization Temperature: 920-980 'C. Tempering Tempering temperature: 650-750 'C. |
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Forging
Hot forming temperature: 1050-850 'C.
Machinability
No data.
