Oil Quenching And Tempering Alloy Spring Steel Wire65mn 60si2mna 55crsi SAE9254V 50crva

Oil quenching - tempering steel wire ProductsAbstract: This paper briefly introduces the characteristics of oil quenching-tempering steel wire, the current product standard, product development direction; and the production process and process control points, which provides useful information for the users to choose the steel wire grade and order quality products.Key words: oil quenching - tempering treatment, pre-hardening treatment, multiple tempering, on-line flaw detection.Special part of the steel products in the final need to quenching - tempering state, the traditional approach is to provide cold-drawn metal products factory annealing or state of the wire, the downstream enterprises will be made of steel wire parts or components, and then quenching + back Fire treatment, toughness to meet the scheduled requirements after delivery. Because the size of parts or components, shape ever-changing, bring the final heat treatment furnace vary widely, will inevitably lead to increased production costs, heat treatment performance fluctuations. Now gradually evolved into: the shape is not complex, easy processing of parts or components with wire quenching and tempering treatment transferred to the fabricated metal products factory, which formed a new species - quenching - tempering steel wire.1. OverviewOil quenching - tempering: a wire that is drawn to the finished size and quenched and tempered in a continuous furnace. The unwound wire is first heated to full austenitizing temperature in a continuous furnace and then quenched by oil bath Martensite, and then through the continuous furnace tempering, to obtain the expected strength and toughness. Oil quenching - tempering steel wire straightness is good, the uniformity of mechanical properties, made of components or compon