Introduction: The Rise of CuP7 Powder in Metal Processing
CuP7 powder, a pre-alloyed copper-phosphorus powder (typically containing 93% copper and 7% phosphorus), is widely used in brazing applications, particularly for joining copper to copper and copper to bronze components. Its self-fluxing behavior eliminates the need for additional flux when brazing copper, making it a preferred choice in HVAC systems, electrical assemblies, and plumbing.
In the competitive world of industrial materials, CuP7 powder stands out due to its:
- Exceptional flow characteristics
- Strong bonding performance
- Cost-efficiency in large-scale operations
With the global push toward more efficient and environmentally friendly joining methods, CuP7 powder is becoming a top choice for wholesale metal powder buyers and manufacturers in industries ranging from electronics to aerospace.
Shanghai Truer Technology Co., Ltd, a leading provider of advanced 3D printing powders and metal powder manufacturing solutions, offers high-purity CuP7 powder developed using industry-leading plasma rotating electrode process (PREP) technology. Their expertise in metal powder innovation makes them a trusted partner for global industrial buyers.
Industrial Applications of CuP7 Powder
CuP7 powder is highly valued for its versatility in various manufacturing and industrial settings. Its ability to create strong, corrosion-resistant joints without external flux is a game-changer in many sectors.
Key Industries Using CuP7 Powder:
| Industry | Application | Benefits |
|---|---|---|
| HVAC Manufacturing | Brazing copper tubing | No need for flux, strong leak-proof joints |
| Electrical Components | Joining copper connectors and conductors | High electrical conductivity, strong bonds |
| Plumbing Systems | Pipe fitting and repair | Cost-effective and durable |
| Automotive | Radiator and heat exchanger assembly | High thermal conductivity |
| Aerospace | Fuel line and hydraulic system joining | Precision bonding, corrosion resistance |
Advantages of CuP7 in Brazing:
- Self-fluxing when used on copper
- Melting point range of 710–890°C
- High wettability and flowability
- Strong mechanical joint strength
- Minimal oxidation or porosity in welds
Because of these advantages, CuP7 powder is not only used in traditional brazing but is also gaining popularity in additive manufacturing, where alloy powders are used to build complex metal parts layer by layer.
Physical Properties and Use Cases of CuP7 Powder
Understanding the physical and chemical properties of CuP7 powder is essential for selecting the right material for your production needs. Below is a breakdown of its key characteristics:
Physical and Chemical Properties of CuP7 Powder
| Property | Value |
|---|---|
| Copper Content | 93% (min) |
| Phosphorus Content | 6.8–7.2% |
| Melting Range | 710–890°C |
| Particle Size | 15–53μm (customizable) |
| Flowability | High |
| Shape | Spherical (for additive manufacturing) |
These characteristics make CuP7 powder ideal for:
- Vacuum brazing where flux is not permissible
- Selective laser melting (SLM) and electron beam melting (EBM) in 3D printing
- Induction brazing in automated production lines
- Spray coating for corrosion-resistant layers
Shanghai Truer’s Custom CuP7 Powder Options
Shanghai Truer offers CuP7 powder in various grades and particle size distributions to suit different brazing and additive manufacturing needs. Their powders are manufactured under strict quality controls and tested in their Joint Innovation Center for Metal 3D Printing.
For more information about their available CuP7 powder and other alloys, explore their metal powder catalog.

Top Global Suppliers of CuP7 Powder
As demand for high-purity brazing powders rises, several global suppliers have emerged as reliable sources for CuP7 powder. However, not all suppliers offer the same level of consistency, customization, or technical support. Below are some of the top-performing companies in this niche.
Leading CuP7 Powder Suppliers
| Supplier | Region | Strengths | Notable Products |
|---|---|---|---|
| Shanghai Truer Technology Co., Ltd | China | Customized powder sizes, advanced PREP tech, R&D support | CuP7, TiAl, CoCrMo, TiNbZr |
| Höganäs AB | Sweden | Large-scale production, metallurgical expertise | Brazing powders, metal powders for AM |
| Umicore | Belgium | Sustainable sourcing, technical consulting | Brazing alloys, precious metal powders |
| Morgan Advanced Materials | UK | Specialty materials, high-performance alloys | CuP7 rods and powders |
| Lucas-Milhaupt | USA | North American market leader in brazing alloys | Phos-copper rods and powders |
Shanghai Truer stands out due to its vertically integrated capabilities—offering equipment, powder manufacturing, and custom alloy development. Their commitment to innovation through their Joint Innovation Center ensures that customers receive cutting-edge materials tailored to their application needs.
What to Look for in a CuP7 Powder Supplier
- Powder Uniformity: Consistency in particle size and shape
- Purity Levels: Low oxygen, high phosphorus accuracy
- Customization Options: Particle size range, packaging formats
- Technical Support: Application engineering and R&D collaboration
- Certifications: ISO9001, material traceability, RoHS compliance
Why More Industrial Buyers Are Turning to Direct Manufacturers
With fluctuating raw material prices and growing demand for technical customization, many industrial buyers are shifting from traditional distributors to direct manufacturers like Shanghai Truer.
Key Benefits of Buying from Direct Manufacturers:
- Cost Savings: Eliminate distributor markups
- Better Customization: Tailored compositions and particle sizes
- Faster Lead Times: Direct control over production scheduling
- Dedicated Support: Access to engineers and R&D teams
- Transparent Sourcing: Full traceability of materials
Especially in sectors like aerospace and medical manufacturing, where powder quality directly impacts product safety and performance, working directly with a trusted source is a strategic advantage.
To learn more about how working directly with manufacturers can streamline your supply chain, visit our about us page.

Why Choose Shanghai Truer as Your CuP7 Powder Supplier
Shanghai Truer Technology Co., Ltd has built a reputation as a trusted partner in additive manufacturing and metal powder supply. Since 2009, the company has combined deep industry expertise with cutting-edge technology to support customers across industries.
What Sets Shanghai Truer Apart?
✅ Advanced PREP Technology
Plasma Rotating Electrode Process allows for the production of spherical, high-purity CuP7 powder ideal for both brazing and 3D printing.
✅ R&D-Driven Innovation
Through partnerships with top research institutions, Shanghai Truer constantly evolves its product offerings to meet industry needs.
✅ Diverse Alloy Portfolio
In addition to CuP7, they offer TiNi, Ti6Al4V, CoCrMo, TiNbZr, and other specialty alloys used in aerospace, medical, and automotive sectors.
✅ End-to-End Solutions
From powder production to full additive manufacturing support, Shanghai Truer provides a complete solution—including equipment, prototyping, and volume production.
✅ Global Export Experience
Trusted by buyers across Europe, North America, and Asia, their logistics and compliance systems are built for international B2B trade.
Testimonials from Global Clients
“Shanghai Truer’s CuP7 powder helped us reduce flux usage by 30% in our HVAC line. Their support team was responsive and technically sound.”
— Procurement Manager, HVAC Manufacturer, USA
“We value the customization options and consistent quality. Their PREP powders have made a noticeable difference in our brazing quality.”
— Senior Engineer, Aerospace Components Supplier, Germany
To explore Shanghai Truer’s full product range or request a quote, visit their products page.
How to Order Wholesale CuP7 Powder from Shanghai Truer
Ordering CuP7 powder in bulk from a reliable supplier like Shanghai Truer Technology Co., Ltd is a streamlined process designed to accommodate the specific needs of industrial buyers, distributors, and OEMs. Whether you’re sourcing for brazing, additive manufacturing, or R&D, Shanghai Truer offers flexible ordering options and global delivery support.
Step-by-Step Ordering Process
Here’s how you can place a wholesale CuP7 powder order:
- Submit Your Requirements
- Particle size range (e.g., 15–45μm, 45–105μm)
- Quantity (MOQ starts at 10kg for custom orders)
- Packaging (sealed aluminum bags, vacuum packaging, or OEM labeling)
- Intended application (brazing, 3D printing, thermal spraying)
- Get Technical Consultation (Optional)
- Speak with R&D engineers to define alloy specs
- Request sample materials or technical data sheets
- Review compatibility with your equipment or process
- Receive Quotation & Lead Time
- CIF/FOB pricing provided within 48 hours
- Lead times vary from 7–21 days depending on volume and customization
- Export documentation available for global shipping
- Place Your Order
- Confirm purchase order and payment terms
- Options for T/T, L/C, or PayPal for international clients
- Track order status via dedicated support contact
- Delivery & After-Sales Support
- Worldwide shipping with customs assistance
- Post-delivery technical support available
- Reorder assistance and inventory planning
To start your purchasing journey, reach out via their contact page for a quote or technical consultation.

FAQs: Common Questions About Buying CuP7 Powder
1. What is the minimum order quantity (MOQ) for CuP7 powder?
Shanghai Truer’s MOQ typically starts at 10 kilograms, but this may vary based on customization requirements and packaging options.
2. Can CuP7 powder be used for additive manufacturing?
Yes. Shanghai Truer produces spherical CuP7 powder using high-purity PREP technology, making it suitable for SLM, EBM, and DED 3D printing processes.
3. Does CuP7 powder require flux during brazing?
No. CuP7 is a self-fluxing alloy when used on copper. No additional flux is needed, which reduces post-processing and improves cleanliness.
4. How is Shanghai Truer’s powder different from other suppliers?
Their powders are:
- Produced using advanced PREP equipment
- Customizable in particle size and composition
- Backed by a dedicated R&D innovation center
- Supported by in-house additive manufacturing experts
5. Can I request a sample before placing a bulk order?
Yes. Samples of CuP7 powder can be provided upon request for testing and evaluation, especially for new applications or equipment compatibility.
6. What certifications does Shanghai Truer have?
Shanghai Truer complies with:
- ISO9001 Quality Management System
- Material traceability standards
- Industry-specific compliance for aerospace and medical applications
7. Where can I learn more about your company and products?
You can explore more about Shanghai Truer Technology Co., Ltd through their company blog and about us pages.
This comprehensive guide is designed to help industrial buyers make informed decisions when sourcing CuP7 powder for high-performance applications. From brazing to additive manufacturing, CuP7 offers unique advantages in strength, conductivity, and ease of processing.
For detailed specifications, technical datasheets, or to request a quote, visit the official product page or contact Shanghai Truer directly.




