Dengwei International Trade is mainly engaged in various high-end steel import and export businesses, and is a brand enterprise in the metal circulation industry.
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As a trusted supplier specializing in custom brass tubes and copper alloy wires, we proudly offer an extensive range of high-quality materials including C10100, C21000, C33000, C44300, and C70400. Our products are engineered to meet the highest standards required by demanding industries such as electronics, aerospace, automotive, marine, and general industrial manufacturing.
Our custom brass tubes and copper alloy wires are designed to deliver outstanding mechanical strength, superior electrical and thermal conductivity, and excellent corrosion resistance. We provide these materials in a variety of sizes, shapes, and finishes tailored to your precise project needs. From delicate electrical wiring to robust structural components, our alloys perform reliably under challenging conditions.
| Alloy Grade | Chemical Composition | Key Properties | Typical Applications |
|---|---|---|---|
| C10100 (Oxygen-Free Copper) | Cu ≥ 99.95% | Highest electrical & thermal conductivity, excellent ductility | High-end electrical components, vacuum tubes, RF connectors |
| C21000 (Copper-Phosphorus Alloy) | Cu + 0.15–0.35% P | Enhanced corrosion resistance, improved strength, good solderability | Heat exchangers, plumbing, electrical contacts |
| C33000 (Yellow Brass) | Cu 67%, Zn 33% | Good strength and corrosion resistance, excellent machinability | Valve parts, decorative hardware, mechanical components |
| C44300 (Free-Cutting Brass) | Cu, Zn, Pb (Pb ~2.5%) | Exceptional machinability, good wear resistance | Fittings, gears, precision machined parts |
| C70400 (Copper-Nickel Alloy) | Cu 90%, Ni 10% | Outstanding corrosion resistance, especially in seawater, good strength | Marine hardware, chemical processing equipment, desalination plants |
Understanding the unique demands of each industry, we offer a wide array of customization options, including:
Various diameters and wall thicknesses tailored to your specifications
Precision cutting and length tolerances
Surface finishes such as polished, annealed, or coated options
Special alloy blends or heat treatments upon request
Our flexible manufacturing capabilities allow us to support prototype development as well as high-volume production runs, ensuring you receive exactly what your project requires.
Quality is at the heart of everything we do. Our products undergo stringent inspection and testing processes including:
Chemical composition verification by spectroscopy
Mechanical property testing (tensile strength, elongation, hardness)
Electrical conductivity measurements
Corrosion resistance assessments
We comply with international standards such as ASTM B75, ASTM B111, ISO 9001, and RoHS directives to guarantee that every batch meets your expectations and regulatory requirements.
Choosing us as your custom brass tube and copper alloy wire supplier means benefiting from:
Extensive alloy selection and in-depth technical expertise
Competitive pricing supported by efficient supply chain management
Timely delivery with flexible logistics solutions
Dedicated customer support and engineering consultation
Commitment to continuous improvement and sustainability
Our materials serve a broad range of industries including electronics, aerospace, automotive, marine, HVAC, plumbing, and general industrial manufacturing, thanks to their versatile properties.
Yes, we work closely with clients to develop tailored alloys or apply specific heat treatments to meet unique project requirements, ensuring optimal performance.
Lead times vary depending on order size and complexity but typically range from 2 to 6 weeks. We strive to accommodate urgent requests whenever possible.
Absolutely. We provide samples upon request to allow customers to test our materials and verify suitability for their applications.
We implement rigorous quality control protocols at every stage of production, including raw material inspection, in-process monitoring, and final product testing, all aligned with international quality standards.
As a trusted supplier specializing in custom brass tubes and copper alloy wires, we proudly offer an extensive range of high-quality materials including C10100, C21000, C33000, C44300, and C70400. Our products are engineered to meet the highest standards required by demanding industries such as electronics, aerospace, automotive, marine, and general industrial manufacturing.
Our custom brass tubes and copper alloy wires are designed to deliver outstanding mechanical strength, superior electrical and thermal conductivity, and excellent corrosion resistance. We provide these materials in a variety of sizes, shapes, and finishes tailored to your precise project needs. From delicate electrical wiring to robust structural components, our alloys perform reliably under challenging conditions.
| Alloy Grade | Chemical Composition | Key Properties | Typical Applications |
|---|---|---|---|
| C10100 (Oxygen-Free Copper) | Cu ≥ 99.95% | Highest electrical & thermal conductivity, excellent ductility | High-end electrical components, vacuum tubes, RF connectors |
| C21000 (Copper-Phosphorus Alloy) | Cu + 0.15–0.35% P | Enhanced corrosion resistance, improved strength, good solderability | Heat exchangers, plumbing, electrical contacts |
| C33000 (Yellow Brass) | Cu 67%, Zn 33% | Good strength and corrosion resistance, excellent machinability | Valve parts, decorative hardware, mechanical components |
| C44300 (Free-Cutting Brass) | Cu, Zn, Pb (Pb ~2.5%) | Exceptional machinability, good wear resistance | Fittings, gears, precision machined parts |
| C70400 (Copper-Nickel Alloy) | Cu 90%, Ni 10% | Outstanding corrosion resistance, especially in seawater, good strength | Marine hardware, chemical processing equipment, desalination plants |
Understanding the unique demands of each industry, we offer a wide array of customization options, including:
Various diameters and wall thicknesses tailored to your specifications
Precision cutting and length tolerances
Surface finishes such as polished, annealed, or coated options
Special alloy blends or heat treatments upon request
Our flexible manufacturing capabilities allow us to support prototype development as well as high-volume production runs, ensuring you receive exactly what your project requires.
Quality is at the heart of everything we do. Our products undergo stringent inspection and testing processes including:
Chemical composition verification by spectroscopy
Mechanical property testing (tensile strength, elongation, hardness)
Electrical conductivity measurements
Corrosion resistance assessments
We comply with international standards such as ASTM B75, ASTM B111, ISO 9001, and RoHS directives to guarantee that every batch meets your expectations and regulatory requirements.
Choosing us as your custom brass tube and copper alloy wire supplier means benefiting from:
Extensive alloy selection and in-depth technical expertise
Competitive pricing supported by efficient supply chain management
Timely delivery with flexible logistics solutions
Dedicated customer support and engineering consultation
Commitment to continuous improvement and sustainability
Our materials serve a broad range of industries including electronics, aerospace, automotive, marine, HVAC, plumbing, and general industrial manufacturing, thanks to their versatile properties.
Yes, we work closely with clients to develop tailored alloys or apply specific heat treatments to meet unique project requirements, ensuring optimal performance.
Lead times vary depending on order size and complexity but typically range from 2 to 6 weeks. We strive to accommodate urgent requests whenever possible.
Absolutely. We provide samples upon request to allow customers to test our materials and verify suitability for their applications.
We implement rigorous quality control protocols at every stage of production, including raw material inspection, in-process monitoring, and final product testing, all aligned with international quality standards.
