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Help Center1/2 Hard Copper Sealing Strip 0.6mm x 12mm - Tensile Strength 300 MPa for Gasket Applications
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Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998, proudly presents our premium 1/2 Hard Copper Sealing Strip (0.6mm x 12mm) with a tensile strength of 300 MPa, specifically engineered for high-performance gasket applications. With over two decades of expertise in metal fabrication and annual exports exceeding US$5 million, we deliver consistent quality that meets the demanding requirements of industries ranging from automotive to HVAC. This copper strip combines excellent malleability with robust mechanical properties, ensuring reliable sealing under moderate pressure and temperature conditions.
Our manufacturing process guarantees precise dimensions (0.6mm thickness and 12mm width) and a uniform 1/2 hard temper, which provides an optimal balance between formability and spring-back resistance. The 300 MPa tensile strength ensures the strip can withstand installation stresses and operational loads without cracking or deforming. Ideal for custom gasket fabrication, this product is available in various lengths and can be cut to specific requirements. Backed by our factory's ISO-compliant quality control system (internal standards), each coil is inspected for surface finish, thickness tolerance, and mechanical properties.
Key Features & Technical Specifications
- Material: High-purity copper (C1100 or equivalent) in 1/2 hard temper
- Dimensions: 0.6mm (thickness) × 12mm (width) – tolerance ±0.05mm
- Tensile Strength: 300 MPa (minimum) – ensures durability under compression
- Elongation: Typically 15-20% for good sealing conformity
- Surface: Clean, smooth, free of burrs, oil, or oxidation
- Packaging: Available in coils (standard 10-50kg) or straight lengths
- Customization: Different widths, thicknesses, and tempers available upon request
Mechanical & Physical Properties (Typical)
| Property | Value |
| Tensile Strength | 300 MPa |
| Yield Strength (0.2% offset) | ~220 MPa |
| Elongation | 15-20% |
| Hardness (Rockwell F) | ~60-70 HRF |
| Density | 8.96 g/cm³ |
| Thermal Conductivity | ~401 W/m·K |
Why Choose Our Copper Sealing Strip?
- Consistent Quality: Our factory uses advanced rolling mills and annealing furnaces to maintain strict control over hardness and dimensions.
- Versatile Usage: Suitable for flat gaskets, spiral wound gaskets, or as a filler material in flange connections.
- Corrosion Resistance: Copper naturally resists many chemicals and atmospheric conditions, extending gasket life.
- Easy to Work With: The 1/2 hard temper allows bending without cracking while providing enough stiffness for assembly.
- Competitive Pricing: As a direct manufacturer with 25+ years of experience, we offer cost-effective solutions without compromising quality.
Our copper sealing strip is widely used in industries such as automotive (engine gaskets), petrochemical (pipe flanges), refrigeration (compressor gaskets), and general industrial sealing. The 0.6mm thickness is ideal for applications requiring moderate compression and recovery. We also provide customized packaging (spools, coils, or cut-to-length pieces) and various surface treatments (polished, coated) upon request.
Frequently Asked Questions (FAQ)
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Q: What does “1/2 Hard” mean in copper strip?
A: 1/2 Hard refers to a specific temper (hardness level) achieved through controlled cold rolling and annealing. It offers a balance of strength and ductility, making it suitable for gasket applications where the strip needs to conform to flange surfaces without being too soft. -
Q: Can this copper strip be used at high temperatures?
A: Copper has good thermal conductivity and can withstand temperatures up to about 200°C (392°F) continuously. For higher temperature applications, we recommend consulting our technical team for alternative materials. -
Q: Is the strip supplied in coils or straight lengths?
A: We offer both options. Standard packaging is in coils (typically 10-50 kg per coil), but we can also cut to straight lengths per your request. -
Q: What is the minimum order quantity (MOQ)?
A: Our MOQ is generally 100 kg, but we can accommodate smaller trial orders for new customers. Please contact us for details. -
Q: How do you ensure the tensile strength of 300 MPa?
A: We perform tensile testing on every batch using calibrated equipment. Our quality control procedures follow internal standards that align with industry norms. Certificates of analysis are available upon request. -
Q: Can I get a sample before placing a bulk order?
A: Yes, we provide free samples (customer pays shipping) for evaluation. Please contact our sales team with your requirements. -
Q: What are the main advantages of using copper for gaskets compared to other materials?
A: Copper offers excellent thermal and electrical conductivity, good corrosion resistance, and high malleability. It also provides a reliable seal under moderate pressure and is easy to recycle. -
Q: What is the typical lead time?
A: For standard sizes and quantities, lead time is 15-20 days after order confirmation. Custom orders may require 25-30 days.
Trust Anping County Boli Hardware Wiremesh Products Factory – with an annual export value of US$5-10 million and a global footprint covering North America, Europe, Asia, Africa, and Oceania, we have shipped millions of meters of copper sealing strips to satisfied customers worldwide. Our factory in Hengshui, Hebei, China, is equipped with modern rolling lines and quality testing labs. We are committed to providing reliable products, competitive pricing, and responsive customer service. Contact us today for a quote or to discuss your specific gasket requirements. Your satisfaction is our priority.
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