Product Introduction
Carbon steel extension springs are critical components that store and release energy through elastic deformation. They maintain a compact helical state when unloaded and extend quickly when subjected to tension, then return to their original state. Widely used in mechanical transmission, safety devices, automotive parts, and industrial equipment, they are highly favored for their high strength and cost-effectiveness. We support carbon steel extension spring customization and provide customers with comprehensive solutions.
Product Parameters
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Item |
Core parameters |
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Wire diameter range |
0.5mm –25mm (customizable) |
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Outer diameter range |
3mm – 100mm (Customizable) |
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Free Length |
5mm – 500mm(Customizable) |
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Material |
Advanced Materials: JapanSuzuki'sSWOSC-V, South Korean SWP-Band others |
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Carbon Steel: 70/72A/72B/82B/65MN and others |
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General Alloy Steel: 60Si2MnA/ 50CrVA/55CrSiA and others |
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Oil-quenched and Tempered Wire: FDC/FDSiMn/FDCrV/FDSiCr Low fatigue use TDSiMn/TDCrV/TDSiCr High fatigue use VDC/VDCrV/VDSiCr/VDSiCrV |
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Stainless steel materials: SUS302/SUS304/SUS316/SUS631 (17-7PH) and others |
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High-temperature alloys: 30W4Cr2VA/ Inconel X-750 (GH4145) Inconel 718 (GH4149) / Nimonic 90 |
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Copper alloys: Beryllium copper, phosphor bronze, etc. |
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Hook style |
Round hook center, offset round hook, half-round hook, long-arm half-round hook, spring hook, etc.(Customizable) |
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Surface treatment methods |
Galvanizing, chrome plating, nickel plating, electrophoresis, painting, plastic spraying, Teflon coating, black oxide treatment, oiling, Dacromet, etc. |
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Force value and fatigue requirements |
Can be customized designed and verified according to your specific operating conditions and application requirements |
Product Advantages
1. High Cost-Performance
Carbon steel tension springs are ourmainly high cost-performance spring products,which are designed to achieveeconomies of scale in terms of material,process,and supply,providing you with themost competitive price while meeting functional requirements,especially suitable for continuous and stable bulk orders.
2.Customization Capability
We can flexibly customize wire diameter, outer diameter, free length, end hook type (full hook, half hook, British loop, etc.), and force value curve based on your specific application to ensure the spring perfectly fits your assembly, saving your debugging time and cost.
3.Stable supply and competitive lead times
The carbon steel material supply chain is mature and stable, combined with our efficient production system, to ensure consistency in delivery for large-volume orders. Standard samples within 3-7 days, bulk orders within 15-30 days, and express services are also available to ensure the smooth progress of your production schedule.
4.Bulk adaptation scenarios (covering cost reduction needs across multiple industries)
eneral Hardware: Garage doors, toolboxes, door locks, foldable furniture, toy accessories (large-scale standardized production);
Automotive Industry: Brake system cables, seat adjustment components, window lifting mechanisms (batch);
Agricultural Machinery: Tractors, harvester tension devices, reset springs (dust-resistant, medium-low load scenarios);
Fitness Equipment: Resistance bands, treadmill reset systems (bulk procurement cost-sensitive scenarios);
Industrial equipment: conveyor tensioning, automated production line access control system, conveyor accessories (general conditions bulk matching).
Choose Xuanyu Spring as Your Buiness Partner
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