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Help CenterCustom Spring 316L Stainless Steel Corrosion-Resistant 20MPa Pressure Spring
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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory proudly presents our Custom Spring 316L Stainless Steel Corrosion-Resistant 20MPa Pressure Spring. Designed for demanding environments, this spring combines superior material science with precision engineering to deliver reliable performance under extreme pressure. Our annual export value of US$5–10 million and global market reach stand as a testament to our commitment to quality and customer satisfaction.
This pressure spring is crafted from 316L stainless steel, a low-carbon austenitic alloy known for its exceptional resistance to corrosion, pitting, and crevice corrosion in chloride-rich environments. With a rated pressure capacity of 20MPa, it is ideal for applications where high force and durability are non-negotiable. Whether used in marine equipment, chemical processing, or hydraulic systems, our spring maintains its integrity under harsh conditions.
We offer complete customization to fit your exact specifications: wire diameter, outer diameter, free length, coil count, and end configurations can all be tailored. Our engineering team works closely with clients to ensure optimal spring design for load, deflection, and fatigue life.
Key Features & Technical Specifications
- Material: 316L stainless steel (UNS S31603) – low carbon version for improved weldability and corrosion resistance.
- Pressure Rating: Up to 20MPa (2900 psi) – suitable for high-pressure applications.
- Corrosion Resistance: Excellent resistance to chlorides, acids, and alkaline solutions – ideal for marine, chemical, and food processing industries.
- Custom Dimensions: Wire diameter from 0.5mm to 20mm; outer diameter up to 300mm; free length as required.
- End Types: Closed & ground, open, or squared ends – available per design.
- Surface Finish: Passivated, electropolished, or as specified to enhance corrosion resistance.
- Optional Coatings: PTFE, Xylan, or other anti-friction coatings available upon request.
- Precision Tolerance: Manufactured to ISO 2768 or customer-specific tolerance standards.
Technical Parameters (Example)
| Parameter | Value | Notes |
|---|---|---|
| Material | 316L SS | Low carbon |
| Max Pressure | 20 MPa | Static load |
| Operating Temp Range | -200°C to +400°C | Depends on environment |
| Standard Tolerances | ISO 2768-m | Customizable |
| Surface Finish | Passivated | Standard |
Why Choose Our Custom Springs?
- Exceptional Longevity: 316L stainless steel resists fatigue and stress corrosion cracking, extending service life in cyclic applications.
- Tailored Design: We provide free technical consultation to optimize spring geometry for your specific load and space constraints.
- Consistent Quality: Our manufacturing process includes rigorous inspection of wire diameter, coil pitch, and end alignment.
- Fast Lead Times: With over 25 years of experience, we maintain efficient production cycles – typical lead time 15–25 days for custom orders.
- Global Shipping: We ship from Tianjin, Qingdao, or Shanghai ports, with export experience to North America, Europe, Asia, and more.
Trust & Reliability
Anping County Boli Hardware Wiremesh Products Factory has been a reliable manufacturer since 1998, exporting US$5–10 million annually to over 15 global markets. Our dedicated team ensures that every custom spring meets the highest standards of quality and performance. We are committed to providing tailored solutions for your pressure spring needs. Contact us today to discuss your requirements and receive a competitive quote.
Frequently Asked Questions (FAQ)
-
Q: What is the maximum pressure rating for this spring?
A: The spring is designed to withstand up to 20 MPa (2900 psi) under static conditions. For dynamic or cyclic loads, please consult our engineering team for a customized design. -
Q: Can I get a spring with a different surface finish?
A: Yes, we offer passivation, electropolishing, and custom coatings (e.g., PTFE, Xylan) upon request. Please specify your requirements. -
Q: What tolerances are available?
A: Standard tolerances follow ISO 2768-m. We can also manufacture to tighter tolerances (e.g., ISO 2768-f) or customer-specific standards. Additional cost may apply. -
Q: How long does it take to produce a custom spring?
A: Typical lead time is 15–25 working days after design confirmation. Rush orders may be possible for an extra fee. -
Q: Do you provide samples before mass production?
A: Yes, we can produce prototypes or samples. Sample cost is usually deducted from the final order quantity. -
Q: What is the minimum order quantity (MOQ)?
A: For custom springs, MOQ is typically 100 pieces. However, we can negotiate based on complexity and size. -
Q: Can this spring be used in high-temperature environments?
A: 316L stainless steel can operate from -200°C to +400°C. However, at temperatures above 300°C, the material may lose some strength. Please provide your operating conditions for a precise recommendation. -
Q: Do you have any quality certifications?
A: Our products are manufactured under strict internal quality control. Certifications can be provided upon request (e.g., material test reports).
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