C19160 is a high-performance leaded nickel copper alloy renowned for its balanced "conductivity-strength-corrosion resistance" triad, making it ideal for demanding industrial applications such as electrical engineering, aerospace, and precision machinery

C65500, also known as High Silicon Bronze "A," is a copper-silicon alloy renowned for its exceptional corrosion resistance, high strength, and excellent formability. Primarily composed of 95% copper (Cu), 2.8–3.8% silicon (Si), and 0.5–1.3% manganese (Mn), it also contains trace elements such as nickel (≤0.6%) and iron (≤0.8%) . This alloy combines the mechanical robustness of mild steel with superior resistance to seawater, brine, sulfite solutions, and non-oxidizing acids, making it ideal for marine and industrial environments .

C61000 is an aluminum bronze copper alloy primarily composed of 90–93% copper and 6.0–8.5% aluminum, with trace elements such as iron (≤0.50%), zinc (≤0.20%), and silicon (≤0.10%) .

C84400 is a leaded semi-red brass copper alloy primarily composed of copper (Cu: 79.0–82.0%), zinc (Zn: 7.0–10.0%), lead (Pb: 6.3–7.7%), and tin (Sn: 2.9–3.5%), with trace amounts of iron, nickel, antimony, and other elements

C95500 is a high-strength aluminum bronze alloy widely used in demanding industrial applications due to its exceptional mechanical properties and corrosion resistance.

C17200 copper wire is a high-strength, high-conductivity beryllium copper alloy material, which is widely used in connectors, springs, miniature elastic contacts and other fields that require high mechanical properties and conductivity. Its characteristics include excellent tensile strength (up to 1400MPa), high elasticity, corrosion resistance, fatigue resistance and good processing performance.

C18150 copper tube is a chromium-zirconium-copper alloy material with high strength, high conductivity (conductivity>43 MS/m), high temperature resistance (softening temperature>550℃), wear resistance and other characteristics. It is widely used in resistance welding electrodes, conductive nozzles, aviation components and mechanical parts under high temperature conditions.

C51000, also known as phosphor bronze (5% Sn), is a copper-tin-phosphorus alloy renowned for its high strength, corrosion resistance, and fatigue resistance. It contains 93.6–95.6% Cu, 4.2–5.8% Sn, and 0.03–0.35% P, with trace amounts of Fe, Zn, and Pb . This alloy is widely used in demanding applications such as springs, switch components, fasteners, bearings (e.g., aircraft bushings), and chemical hardware due to its excellent cold workability and durability under cyclic stresses .

C71500 (UNS designation), also known as 70/30 Cupronickel, is a copper-nickel alloy containing ~30% Ni with small additions of Fe and Mn. It is highly valued for its exceptional corrosion resistance in marine environments, high thermal conductivity, and mechanical strength under extreme conditions. This alloy is widely used in seawater systems, heat exchangers, and offshore infrastructure due to its ability to resist biofouling, erosion, and chloride-induced stress corrosion cracking.

C21000 is a high-conductivity brass alloy composed primarily of copper (94–96%) with zinc as the balancing element, along with trace amounts of iron (≤0.05%) and lead (≤0.05%) . It is classified as a 95% copper brass (CuZn5) and is notable for its excellent thermal and electrical conductivity, corrosion resistance (especially in marine environments), and non-magnetic properties . The alloy also exhibits good cold and hot workability, making it suitable for applications like heat exchangers, marine hardware, electrical components, and condenser tubes .

C61300 is a high-performance aluminum bronze copper alloy characterized by its exceptional mechanical strength, corrosion resistance, and adaptability to demanding environments. It contains 88.5–91.5% Cu, 6.0–7.5% Al, and smaller amounts of Fe, Sn, and other elements, offering a unique balance of durability and workability . This alloy is widely used in marine hardware, pressure vessels, heat exchangers, and heavy machinery due to its resistance to stress corrosion cracking and erosion in seawater .

C24000 copper tube is a common brass tube, mainly composed of copper (Cu) and zinc (Zn), belonging to copper-zinc alloy (CuZn20). Its chemical composition contains 78.5%-81.5% copper, zinc as the balance, and contains trace elements such as lead (Pb≤0.05%) and iron (Fe≤0.05%). This material has high strength, good plasticity, corrosion resistance and hot and cold processing properties, and is suitable for manufacturing thin-walled tubes, corrugated tubes, papermaking nets and building supplies.