説明

• Factory direct sales quantity is massive and more preferential Specification of parameter drawing Product call ：Spring metallic unmarried hook spring Commodity material：Spring metal Surface treatment：Natural shade +Surface brush over with oil Packing instruction：Ziplock bag + Bubble bag Wire Diameter ：2 Outer Diameter:12/14/16/18/20/22mm Length:35-280mm We can customize any length you wish For custom-made products, please provide the parameters you should customer support first, verify the unit price, and then place an order For example, for $10, you would take 10 copies of this link and point out the dimensions product particulars demonstrate Easy software of scenarios The distinction between spring metallic and sixty five manganese steel 1、 Performance Characteristics Comparison 1 Hardness and wear resistance sixty five Manganese Steel: Higher hardness (≤ 302HB after hot rolling, ≤ 321HB after warmth treatment), larger put on resistance, compatible for top put on resistant situations Spring steel: has lower hardness, but larger elastic restrict and fatigue resistance, suitable for elastic components with frequent deformation 2 Heat medication characteristics 65 manganese steel: has overheating sensitivity and tendency towards tempering brittleness, and is at risk of cracking after water quenching Spring steel: The warmth remedy job is extra secure and suitable for manufacturing springs with complex shapes 2、 Differences in utility situations 1 sixty five manganese metal Wear resistant parts: reminiscent of grinding mechanical device spindles, precision machine tool screws, railway rails, and so on High power springs: spiral springs, spring washers, and so forth with a diameter of ≤ 20mm 2 Spring steel Elastic components: leaf springs, coil springs, valve springs, and so forth for vehicles and tractors Precision springs: mainspring, seat cushion spring, cold drawn steel wire bloodless coil spring, and so on 3、 Summary and choice feedback High energy and put on resistance are required: sixty five manganese metal is preferred (such as wear-resistant gears and song components) High elasticity and fatigue resistance are required: Spring metallic (such as automotive leaf springs and precision springs) is preferred

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