Copper and Copper Alloy Rods and Bars

Copper and copper alloy rods are manufactured from high-purity copper raw materials through high-temperature casting and complex processing sequences. Based on their physical and mechanical properties, they are primarily categorized into pure copper (red copper), brass, bronze, and special copper alloys. In terms of appearance, they can be drawn into round, square, hexagonal, or custom-profiled shapes, with diameter specifications typically ranging from 1.5 mm to 150 mm. Each material offers distinct advantages: pure copper exhibits excellent electrical and thermal conductivity; brass possesses outstanding machinability; and bronze is renowned for its high strength and wear resistance. During the processing of high-quality copper rods, strict temperature and stress management are required to achieve grain refinement, followed by heat treatment to eliminate internal residual stresses, thereby ensuring the dimensional stability and mechanical strength of the material.

Copper and copper alloy rods are manufactured from high-purity copper raw materials through high-temperature casting, cold drawing, and rolling. Available cross-sections include round, rectangular, hexagonal, and various custom profiles, with diameter specifications ranging from 1.5mm to 150mm. Available services include ex-stock retail, custom cutting, and made-to-order production.

Core Technologies & Advantages:

  • Dimensional & Stress Management: Through strict temperature control for grain refinement and annealing heat treatments to eliminate residual stress, we ensure micron-level dimensional stability and mechanical strength, effectively preventing metal fatigue.

  • Advanced Surface Treatment: Compatible with electroplating (nickel, gold, silver plating) and chemical passivation to form a dense protective layer, significantly enhancing corrosion resistance in extreme environments.

  • Green & Environmental Compliance: We offer lead-free and low-cadmium eco-friendly free-cutting brass rods compliant with RoHS regulations. Meanwhile, in response to EU CBAM requirements, we supply low-carbon copper materials to assist enterprises in carbon footprint disclosure.

Product Applications

Driven by their excellent comprehensive properties, copper materials are widely utilized in the manufacture of screws, electrical products, 3C components, and mechanical parts. Due to its superior electrical and thermal dissipation advantages, pure copper is the preferred choice for power transmission and electronic components. Brass exhibits outstanding machinability and is commonly fabricated into rigid contacts, plumbing fittings, and mechanical components. Bronze offers exceptional elasticity and fatigue strength, making it particularly suitable for precision springs, resilient connector contacts, and marine components. Furthermore, to address the requirements of high-frequency communication and high-current demands, advanced alloys such as beryllium copper and titanium copper are extensively deployed in 5G base stations, electric vehicle (EV) connectors, and aerospace/military equipment.

Free-Cutting Brass Series

Material Characteristics: It is a copper-zinc-lead alloy, w

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Free-Cutting Brass Series

Material Characteristics:
It is a copper-zinc-lead alloy, with eco-friendly alternatives featuring low lead and cadmium content currently available. It offers exceptional machining and free-cutting performance, making it ideal for high-speed precision machining and welding. While it possesses excellent rigidity and forming capabilities, its ductility is relatively low, making it susceptible to cracking under extreme stress.

Applications:
Widely used in timepiece/watch components, hardware screws, valve and piping accessories, as well as rigid contacts in electronic connectors.

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Forging & General Purpose Brass Series

Material Characteristics: As a base copper-zinc alloy, its

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Forging & General Purpose Brass Series

Material Characteristics:
As a base copper-zinc alloy, its strength and ductility can be tailored by adjusting the zinc content, offering a distinct cost advantage. General purpose brass features high ductility with excellent cold and hot workability, while forging brass delivers exceptional high-temperature forming strength. Overall corrosion resistance remains moderate.

Applications:
Its scope covers industrial piping, ammunition, architectural hardware, electronic terminals, and various automotive forged components.

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Naval Brass & Tin Brass Series

Material Characteristics: Formulated by adding tin to the c

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Naval Brass & Tin Brass Series

Material Characteristics:
Formulated by adding tin to the copper-zinc base, this alloy significantly enhances corrosion resistance and withstands a wide range of temperature fluctuations. Furthermore, it exhibits exceptional adaptability to hot and cold forming, bending, and welding processes.

Applications:
Specifically engineered for corrosive environments, it is commonly utilized in marine and offshore engineering components, cold and hot-formed parts, industrial piping elements, and welded assemblies.

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Aluminum Bronze Series

Material Characteristics: An advanced copper-aluminum based

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Aluminum Bronze Series

Material Characteristics:
An advanced copper-aluminum based high-performance bronze alloy, its strength and hardness rank the highest among the four categories. It delivers exceptionally high tensile strength, wear resistance, and fatigue limits, alongside superior corrosion resistance; however, it also presents the highest machining difficulty.

Applications:
Ideally suited for severe load-bearing and highly corrosive environments, it is widely utilized in marine components, naval vessel parts (such as propellers and marine hardware), heavy-duty industrial installation equipment, and wear-resistant valve components.

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Steel data

Standard Code Spec No. Material No. Mark
JIS H3250 C1020BE
JIS H3250 C1020BD
ASTM B133 C10200
GB 5231 T2
JIS H3250 C1100BE
JIS H3250 C1100BD
ASTM B133 C11000
DIN 1787 2.009 ECu-57
JIS H3250 C1201BE
JIS H3250 C1201BD
ASTM B183 C12000
ASTM B187 C12000
CNS 10442 C1220BE
CNS 10442 C1220BD
GB 5231 TP2
JIS H3250 C1220BE
JIS H3250 C1220BD
JIS H3250 C3601BE
JIS H3250 C3601BD
DIN 17660 2.0331 CuZn36Pb3
DIN 17670 2.0331 CuZn36Pb3
JIS H3250 C3602BE
JIS H3250 C3602BD
DIN 17660 2.0331 CuZn36Pb2
CNS 10442 C3604BE
CNS 10442 C3604BD
ASTM B16 C36000
JIS H3250 C3605BE
JIS H3250 C3605BD
ASTM B124 C37700
(P)% (S)% (Ni)% (Pb)% (Cu)% (Sn)% (Fe)% (Sb)% (O)% (As)% (B)% Sn+Fe Cu+Pb+Zn+Fe Impurity mixing Status Diameter(mm) Tensile strength(Mpa) Remarks
≧ 99.96
≧ 99.96
≧ 99.95
≧ 99.9 拉製 5~80 ≧ 196 伸長率:45%
≧ 99.9
≧ 99.9
≧ 99.9
≧ 99.9
0.004~0.015 ≧ 99.9
0.004~0.015 ≧ 99.9
0.004~0.012 ≧ 99.9
0.004~0.012 ≧ 99.9
0.015~0.04 ≧ 99.9
0.015~0.04 ≧ 99.9
0.013~0.05 ≦ 0.005 ≦ 0.01 ≦ 0.005 ≧ 99.85 ≦ 0.01 ≦ 0.05 ≦ 0.002 ≦ 0.01 ≦ 0.005 ≦ 0.002 ≦ 0.15
0.015~0.04 ≧ 99.9
0.015~0.04 ≧ 99.9
1.8~3.7 59~63 ≦ 0.3 ≦ 0.5 其餘Zn(%)
1.8~3.7 59~63 ≦ 0.3 ≦ 0.5 其餘Zn(%)
2.5~3.7 60~62 ≦ 0.2 ≦ 0.3 ≦ 0.5 其餘Zn(%)
2.5~3.7 60~62 ≦ 0.2 ≦ 0.3 ≦ 0.5 其餘Zn(%)
1.8~3.7 59~63 ≦ 0.5 ≦ 1.3 其餘Zn(%)
1.8~3.7 59~63 ≦ 0.5 ≦ 1.3 其餘Zn(%)
2.5~3.5 60~62 ≦ 0.2 ≦ 0.3 其餘Zn(%)
1.8~3.7 57~61 ≦ 0.7 ≦ 1.5 其餘Zn(%)
1.8~3.7 57~61 ≦ 0.7 ≦ 1.5 其餘Zn(%)
2.5~3.7 60~63 ≦ 0.35 ≦ 0.5 其餘Zn(%)
3.5~4.5 56~60 ≦ 0.5 ≦ 1.2 其餘Zn(%)
3.5~4.5 56~60 ≦ 0.5 ≦ 1.2 其餘Zn(%)
1.5~2.5 58~61 ≦ 0.3 其餘Zn(%)