Changzhou Liyu spring Co., Ltd
| Spring Type | Sheathed Compression Spring / Encapsulated Spring |
| Inspection Method | Load Testing / Dimension Inspection |
| Payment Terms | L/C,T/T |
| Manufacturing Process | CNC Spring Coiling / Assembly |
| Packaging Details | Standard export packaging |
| Tolerance | ±0.01mm |
| Custom Service | Available |
| Product Type | Sheath Spring |
| Certification | ISO14001；ISO13485；IATF16949 |
| Place of Origin | China |
| Model Number | Sheath spring |
| Brand Name | Liyu |
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Product Specification
| Spring Type | Sheathed Compression Spring / Encapsulated Spring | Inspection Method | Load Testing / Dimension Inspection |
| Payment Terms | L/C,T/T | Manufacturing Process | CNC Spring Coiling / Assembly |
| Packaging Details | Standard export packaging | Tolerance | ±0.01mm |
| Custom Service | Available | Product Type | Sheath Spring |
| Certification | ISO14001；ISO13485；IATF16949 | Place of Origin | China |
| Model Number | Sheath spring | Brand Name | Liyu |
| High Light | OEM spring steel products ，Encapsulated spring steel products ，Encapsulated 316 stainless steel springs | ||
Our stainless steel protective springs offer excellent corrosion resistance, durability, and reliable performance in harsh environments. They are ideal for applications exposed to moisture, chemicals, outdoor conditions, and temperature variations. Manufactured with premium stainless steel materials and precision production processes, these spring guards provide long-lasting protection for hoses, cables, and mechanical components.
| To customize the sheath 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) | |
| Pitch t: mm | (Spacing between two adjacent circles) | |
| Number of circles Na: circle | (Note: the total number of turns of the spring) | |
| To customize the sheath spring, you also need to provide the following technical requirements: | ||
| turn around: | (Description: Left-handedRight-handed) | |
| Material requirements: | (Such as: stainless steel wire SUS, carbon steel wire SWC, piano wire SWP, copper wire... etc.) | |
| Surface treatment: | (Explanation: blackening/galvanizing/nickel plating/chrome plating/baking paint/powder spraying/electrophoresis/shot peening/dacromet/electrolytic polishing...etc.) | |
| Strength requirements: | (Note: Elastic performance, other technical requirements, etc.) | |
| End form: | (Explanation: TightenGrindTightly polish) | |
Spring end characteristics
| Characteristic | Parameter |
|---|---|
|
Surface treatment |
Blackening |
| Shot Peening | |
| Apply anti-rust oil | |
| Zinc plating | |
| Polishing | |
| Electrolytic polishing | |
| Nickel plating | |
| Dacromet | |
| Teflon spray | |
|
Materials |
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 |
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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