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Help CenterHalf-Hard Copper Strip 1mm x 20mm C1100 Sealing Strip for Pipe Joints With Mill Test Report
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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory proudly presents our Half-Hard Copper Strip 1mm x 20mm C1100 Sealing Strip for Pipe Joints, designed to deliver reliable sealing performance in demanding piping systems. Our copper strips are produced with high-purity C1100 copper (99.9% Cu) and undergo strict quality control, ensuring consistent dimensions and mechanical properties. With an annual export value exceeding US$5 million and shipments to over 15 regions worldwide, we are your reliable partner for industrial sealing solutions.
This product is specifically engineered for pipe joint sealing applications where a combination of corrosion resistance, thermal conductivity, and malleability is required. The half-hard temper provides an optimal balance between formability and strength, allowing the strip to conform to joint surfaces while maintaining sufficient spring-back to ensure a tight seal. Each strip is supplied with a Mill Test Report (MTR) certifying chemical composition and mechanical properties, giving you full traceability and confidence in your procurement.
Below are the key technical specifications and advantages of our C1100 half-hard copper strip:
| Parameter | Value |
|---|---|
| Material | C1100 (ASTM B152, electrolytic tough pitch copper) |
| Copper Content | ≥ 99.9% |
| Temper | Half-Hard (H01/H02) |
| Thickness | 1.0 mm ± 0.05 mm |
| Width | 20 mm ± 0.5 mm |
| Length | Customizable (coil or flat strips) |
| Tensile Strength (typical) | 240 - 290 MPa |
| Elongation (typical) | ≥ 15% |
| Hardness (Rockwell F) | 55 - 70 |
| Surface Finish | Clean, smooth, no burrs or scratches |
Product Features and Benefits:
- High Purity Copper (C1100): Excellent electrical and thermal conductivity, superior corrosion resistance in water, steam, and mild chemical environments. Ideal for sealing applications in HVAC, plumbing, and industrial piping.
- Half-Hard Temper: Provides a perfect balance of flexibility and strength. The strip can be easily formed around pipe joints yet retains enough stiffness to maintain a tight seal under pressure.
- Precision Dimensions: Rolled to tight tolerances (thickness ±0.05mm, width ±0.5mm) ensuring consistency for gasket cutting or direct use. Custom lengths available to reduce waste.
- Mill Test Report Included: Every shipment comes with a comprehensive MTR documenting chemical analysis, mechanical testing, and dimensional verification. This supports your quality assurance and regulatory compliance.
- Versatile Applications: Suitable for pipe joint sealing, flange gaskets, heat exchanger gaskets, electrical busbars, and decorative trim. The half-hard property also makes it ideal for stamping and forming processes.
- Durable Packaging: Strips are packed in protective wooden cases or coils with anti-tarnish paper, ensuring they arrive in pristine condition even for long-distance shipping.
Our sealing strips are manufactured in our facility in Hengshui, Hebei, China, where we have been producing wire mesh and metal products for over two decades. Our experienced team ensures that every batch meets international standards. We ship from multiple ports including Tianjin, Qingdao, Shanghai, and Foshan, providing flexible logistics to customers in North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East.
With an annual export value of US$5 million to US$10 million and a strong reputation in the global market, we are committed to delivering high-quality copper strips at competitive prices. Our factory has successfully served thousands of clients across various industries, and we pride ourselves on our responsiveness, customization capabilities, and after-sales support. Choose our Half-Hard Copper Strip for your pipe joint sealing needs and experience the reliability of a manufacturer that has been in business since 1998.
Contact us today for a quotation or to request a sample. We look forward to partnering with you.
Frequently Asked Questions (FAQ)
Q1: What is the difference between half-hard and soft copper strip for sealing applications?
A: Half-hard copper strip offers greater spring-back and strength compared to soft (annealed) copper. This makes it better suited for applications where the gasket needs to maintain pressure against flanges or joints. Soft copper is more malleable but may deform under pressure; half-hard provides a good balance.
Q2: Can you provide copper strips in other thicknesses or widths?
A: Yes, we offer customization. While our standard is 1mm x 20mm, we can produce strips from 0.5mm to 3mm thickness and widths from 5mm to 200mm, subject to tooling and minimum order quantity. Please contact us with your requirements.
Q3: What does the Mill Test Report contain?
A: The Mill Test Report (MTR) includes chemical composition (e.g., copper content, impurities), mechanical properties (tensile strength, elongation, hardness), dimensional measurements, and heat number. It is issued by our factory and can be used for material traceability and quality assurance.
Q4: How do you package the copper strips for export?
A: We package strips in bundles or coils, wrapped with anti-tarnish paper and plastic film, then placed in strong wooden crates or pallets suitable for sea freight. Custom packaging (e.g., plywood cases, spools) is available upon request.
Q5: Is this product suitable for high-temperature sealing applications?
A: C1100 copper has good thermal conductivity and can withstand moderate temperatures (up to about 200°C in continuous service). For high-temperature applications, we recommend consulting with our technical team to ensure the material meets your specific operating conditions.
Q6: What is the typical lead time for orders?
A: For standard sizes and quantities (e.g., 500 kg), lead time is approximately 10-15 working days after order confirmation. Custom orders may require 20-25 working days. We ship from multiple ports in China, and transit time varies by destination.
Q7: Do you offer free samples?
A: Yes, we can provide small samples (e.g., 200mm length) for testing and evaluation. The sample is free of charge, but the customer is responsible for shipping costs. Please contact us to arrange a sample request.
Q8: Can this copper strip be used for electrical grounding as well?
A: Yes, C1100 copper has excellent electrical conductivity (≥100% IACS). The half-hard strip can be used for grounding straps or busbars, provided the dimensions meet your current-carrying requirements. However, for sealing applications, we recommend using it strictly for gasket purposes to avoid mechanical damage.
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