FIELD: metallurgy.
SUBSTANCE: plates are flattened at applied force 1 N/m2 during 110-140 sec, cured in air for 20-40 sec, pressed in clamp and in vertical position immersed into a tank with quenching water at temperature 20-60°C.
EFFECT: reduced warp and increased hardness of plates.
2 tbl
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| METHOD OF STRUCTURAL STEEL THERMAL TREATMENT | 2007 |
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| RAIL STRAP HEAT TREATMENT METHOD | 2005 |
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RU2291206C1 |
| METHOD OF THERMAL TREATMENT OF PARTS FROM STRUCTURAL STEEL OF LOWER AND REGULATED HARDENABILITY | 2010 |
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RU2450060C1 |
Authors
Dates
2010-09-20—Published
2009-10-05—Filed