Changzhou Liyu spring Co., Ltd
| Heat Treatment | Stress Relieving / Heat Treatment Available |
| Inspection | Load Testing, Fatigue Testing, Dimension Inspection |
| Payment Terms | L/C,T/T |
| Drawing Format | CAD, PDF, STEP |
| Surface Treatment | Zinc Plating / Nickel Plating / Passivation |
| Wire Shape | Round Wire, Square Wire, Rectangular Wire |
| Fatigue Life | Customized Cycles |
| Hook Type | Machine Hook / Extended Hook / Cross Over Hook |
| Packaging Details | Standard export packaging |
| Material | Stainless Steel / Carbon Steel / Alloy Steel |
| Customization | OEM & ODM Available |
| Manufacturing Process | CNC Spring Coiling, Automatic Coiling, Hook Forming |
| Product Type | Tension Spring / Extension Spring |
| Certification | ISO14001；ISO13485；IATF16949 |
| Model Number | Tension Spring |
| Brand Name | Liyu |
| Place of Origin | China |
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Product Specification
| Heat Treatment | Stress Relieving / Heat Treatment Available | Inspection | Load Testing, Fatigue Testing, Dimension Inspection |
| Payment Terms | L/C,T/T | Drawing Format | CAD, PDF, STEP |
| Surface Treatment | Zinc Plating / Nickel Plating / Passivation | Wire Shape | Round Wire, Square Wire, Rectangular Wire |
| Fatigue Life | Customized Cycles | Hook Type | Machine Hook / Extended Hook / Cross Over Hook |
| Packaging Details | Standard export packaging | Material | Stainless Steel / Carbon Steel / Alloy Steel |
| Customization | OEM & ODM Available | Manufacturing Process | CNC Spring Coiling, Automatic Coiling, Hook Forming |
| Product Type | Tension Spring / Extension Spring | Certification | ISO14001；ISO13485；IATF16949 |
| Model Number | Tension Spring | Brand Name | Liyu |
| Place of Origin | China | ||
| High Light | electrophoresis industrial tension springs ，Custom industrial tension springs ，electrophoresis extension spring heavy duty | ||
Stainless steel compression springs offer outstanding corrosion resistance, durability, and mechanical strength. They are widely used in medical equipment, s, automotive components, marine applications, and industrial machinery. We manufacture stainless steel springs using premium materials to ensure reliable performance in harsh environments. Customized sizes and specifications are available according to customer requirements.
| To customize the tension spring, you need to provide the following necessary parameter information: | ||
| Wire diameter d: mm | (Note: the diameter of the spring wire) |
|
| Outer diameter D2: mm | (Note: the diameter of the outer circle of the spring) | |
| Length L0: mm | (Note: the free height of the spring) | |
| Number of circles Na: circle | (Note: the total number of turns of the spring) | |
| For customized compression springs, you also need to provide the following technical requirements: | ||
| turn around: | (Description: left-handed right-handed) | |
| Material requirements: | (Such as: stainless steel wire SUS, carbon steel wire SWC, piano wire SWP, copper wire... etc.) | |
| Surface treatment: | (Description: blackening/galvanizing/nickel plating/chrome plating/baking paint/powder spraying/electrophoresis/shot peening/dacromet/electrolytic polishing...etc.) | |
| Pull hook form: | (Description: round hook/semi-circle hook/U hook/middle ear/change hook... etc.) | |
| Strength requirements: | (Note: Elastic performance, other technical requirements, etc.) | |
| Characteristic | Parameter |
|---|---|
| Straight closing |
| Short hook closing | |
| Hinge closing | |
| Straight twist closing | |
| Curved closing | |
| Double twist closing | |
| Blackening |
| Shot Peening | |
| Apply anti-rust oil | |
| Zinc plating | |
| Polishing | |
| Electrolytic polishing | |
| Nickel plating | |
| Dacromet | |
| Teflon spray | |
| Carbon spring steel wire SWC |
| Piano wire SWPB | |
| Stainless steel wire SUS301, SUS302, SUS304, SUS316, SUS631 | |
| 65Mn | |
| 82B | |
| 55CrSi (SWOSC-V) | |
| Nickel-plated wire, galvanized wire | |
| Copper wire, phosphor copper wire, beryllium copper wire | |
| Square wire, flat wire, semicircular wire | |
| Alloy material wire | |
| Other special specifications steel wire | |
| Wire diameter specifications | 0.1~6mm |
Company Details
Business Type:
Manufacturer
Year Established:
1994
Total Annual:
5000000-10000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Changzhou Liyu spring Co., Ltd., founded in 1994, is located in Jincheng Town Industrial Park, Jintan District, Changzhou City, with convenient transportation.The company specializes in producing compression spring, tension spring, torsion spring, scroll spring, spring contact finger, spring clamp... Changzhou Liyu spring Co., Ltd., founded in 1994, is located in Jincheng Town Industrial Park, Jintan District, Changzhou City, with convenient transportation.The company specializes in producing compression spring, tension spring, torsion spring, scroll spring, spring contact finger, spring clamp...
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