Feature:1. Made of high hardness 50CrVA spring steel material, durable and wear-resistant. Material:50CrVA Spring Steel, Aluminum Alloy. 1 x 50CrVA Spring Steel Blade. Perfect woodworking tool, simple to use, easy to assemble, good toughness. Malaysia Evian Mineral Water, Malaysian Evian Mineral Made in Malaysia Evian Mineral Water Directory - Offering Wholesale Malaysian Evian Mineral Water from Malaysia Evian Mineral Water Manufacturers, Suppliers and Distributors at TradeKey
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Materials:SUP7, SUP9, SUP9A, SUP10, SUP11, SUP11A, 60Si2Mn, 55CrMnA and 50CrVA are available. We can produce special leaf spring according to your special requirement. Lead time:within 30-45days after receiving orders US20120013059A1 - Compression coil spring and Bending deformation exceeding a yield stress is applied by winding a material on a mandrel. Coiling is performed simultaneously with the application of the bending deformation, and the load is removed after the coiling. This spring includes an outside surface region having a compressive residual stress and a compressive stress reduction region in which the compressive residual stress is 51CrV4 / 1.8159 - SteelNumber - Chemical composition 230. Vickers hardness ( HV):(+A) 220. Vickers hardness ( HV):(+QT) 370 - 550. Properties of steel 51CrV4 (1.8159) Weldability:Bad weldability due to the high crack danger. Hardenability:Good hardenability; suitable for pieces of small sizes and for exacting purposes. It can be hardened in oil.