Beschreibung

• Factory direct gross sales quantity is large and more preferential Specification: Line diameter * Outer diameter * Length unit: mm Example: 5*25*100 indicates that the twine diameter is 5mm, the exterior diameter of the spring is 25mm, and the size is 100mm Measuring device Vernier caliper Specification of parameter drawing Product call ：Spring metallic unmarried hook spring Commodity material：Spring metallic Surface treatment：Quenching remedy +Surface brush over with oil Packing instruction：Ziplock bag + Bubble bag Wire Diameter ：3 Outer Diameter:16/20/25mm Length:50-280mm We can customize any size you need For personalized products, please provide the parameters you should customer service first, verify the unit price, after which place an order For example, for $10, you could possibly take 10 copies of this hyperlink and point out the scale The spring is non-standard The elasticity of the spring is dependent upon the size, so the alternative of length is principal Actual taking pictures Quenching treatment, stable elasticity, demanding to interrupt Easy utility of eventualities The distinction between spring metal and 65 manganese steel 1、 Performance Characteristics Comparison 1 Hardness and put on resistance 65 Manganese Steel: Higher hardness (≤ 302HB after hot rolling, ≤ 321HB after warmth treatment), better wear resistance, compatible for top wear resistant eventualities Spring steel: has lower hardness, yet higher elastic limit and fatigue resistance, suitable for elastic components with widespread deformation 2 Heat medicine characteristics sixty five manganese steel: has overheating sensitivity and tendency in direction of tempering brittleness, and is liable to cracking after water quenching Spring steel: The heat medication process is extra steady and appropriate for production springs with complex shapes 2、 Differences in utility eventualities 1 sixty five manganese steel Wear resistant parts: similar to grinding machine spindles, precision machine tool screws, railway rails, etc High power springs: spiral springs, spring washers, etc with a diameter of ≤ 20mm 2 Spring metal Elastic components: leaf springs, coil springs, valve springs, and many others for automobiles and tractors Precision springs: mainspring, seat cushion spring, bloodless drawn metallic cord cold coil spring, and so forth 3、 Summary and choice suggestions High power and put on resistance are required: 65 manganese metal is favored (such as wear-resistant gears and tune components) High elasticity and fatigue resistance are required: Spring steel (such as car leaf springs and precision springs) is preferred

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