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C63600 rods are primarily produced in round cross-sections. Key dimensional ranges and tolerances are defined by international standards:
Diameter Range:
- General Electrical Use (EN 13601): 2 mm to 160 mm (round rod) .
- Industrial Applications (National Standards): Commonly supplied in 5 mm to 80 mm diameters, with lengths ranging from 500 mm to 6,000 mm .
Tolerances:
- Dimensional: Aligns with standards like EN 13601, which specifies tight tolerances for roundness, straightness, and surface finish .
Surface Condition: Free from cracks, inclusions, or defects affecting performance
International Standards for C63600 Copper Rod
C63600 rods comply with the following standards, focusing on composition, mechanical properties, and dimensional tolerances:
EN 13601:2020 (Europe):
- Specifies requirements for copper alloy rods in electrical applications, including chemical composition, tensile strength, and diameter tolerances .
- Covers testing methods for hydrogen embrittlement, bend characteristics, and electrical conductivity .
JIS H 3250:1992 (Japan):
- Governs extruded copper alloy rods (round, hexagonal, square).
- Includes grade designations, mechanical properties, and dimensional tolerances (e.g., roundness ≤0.5% of diameter) .
ASTM B150/B150M (USA):
- While primarily for other aluminum bronzes (e.g., C61300–C64210), it provides a framework for similar alloys in terms of heat treatment and quality control .
National Standards (China):
- For (wear-resistant brass/bronze rods), specifies diameters of 5–80 mm and stringent straightness tolerances .
Chemical Composition of C63600 Copper Alloy:
- Copper (Cu): 93.5% to 96.3%
- Aluminum (Al): 3.0% to 4.0%
- Silicon (Si): 0.7% to 1.3%
- Zinc (Zn): ≤0.5%
- Tin (Sn): ≤0.2%
- Nickel (Ni): ≤0.15%
- Iron (Fe): ≤0.15%
- Lead (Pb): ≤0.05%
- Arsenic (As): ≤0.15% (added to prevent dezincification)
- Other Impurities: ≤0.5% total
- Tensile Strength (Ultimate): 410–540 MPa
- Yield Strength: 150–260 MPa
- Elongation (Break): 30%–66%
- Elastic Modulus (Young’s Modulus): 110–190 GPa
- Shear Modulus: 42–73 GPa
- Hardness (Rockwell B): 71–84 HRB
- Poisson’s Ratio: 0.34
Thermal Properties:
- Melting Range: 980–1030°C (1800–1890°F)
- Thermal Conductivity: 57 W/m·K
- Coefficient of Thermal Expansion: 17 µm/m·K
- Maximum Service Temperature: 210°C (410°F)
Electrical Properties:
- Electrical Conductivity:
- Volume: 12% IACS
- Weight: 13% IACS
Production process and product advantages of C63600 copper rod:
Production process
Raw material processing and smelting
C63600 copper rod uses scrap copper, electrolytic copper, zinc ingots and other raw materials, which are put into the furnace for melting in proportion. Large-tonnage electric furnaces are used in the smelting process, and submerged liquid transfer technology is used to ensure uniform metal solution. Some processes also use medium-frequency electric furnace induction heating, and metal materials are cut by magnetic induction lines to achieve efficient melting.
Continuous casting technology
Ningbo Jintian Copper Industry's independently developed "multi-head multi-stream horizontal continuous casting" technology can achieve a single furnace to continuously cast 64 products of different specifications at the same time, with a production efficiency more than 10 times higher than that of traditional processes, and stable quality. This technology also reduces smoke emissions and meets environmental protection requirements.
Extrusion and stretching
The mainstream domestic process uses extrusion, which improves the density and surface smoothness of the material through extrusion and stretching after casting. For example, after the ingot is formed by an extruder, it is finely drawn to ensure dimensional accuracy.
Heat treatment and processing
C63600 copper rods are easy to process under pressure in hot state, and are often quenched and tempered to increase hardness. Subsequent processes include turning, grinding, polishing, etc. to meet the precision requirements of different parts.
Quality inspection
Spectral analysis, eddy current flaw detection, ultrasonic inspection and other technologies are used in the production process to ensure that the product is defect-free and the mechanical properties meet the standards.
Product advantages
High strength and wear resistance
C63600 aluminum bronze contains iron and manganese elements, has extremely high strength and wear resistance, and is especially suitable for manufacturing gears, bearings, sleeves and other parts that bear high loads.
High temperature resistance and oxidation resistance
The material exhibits excellent oxidation resistance and corrosion resistance in high temperature environments, and is suitable for special scenarios such as nuclear power valves and high-temperature wear-resistant parts.
Good processing performance
The material is easy to weld and hot form, has good cutting and grinding performance, and supports precision processing of complex parts.
Environmental protection and economy
The waste copper recovery smelting process is used to reduce raw material costs; continuous casting technology reduces metal loss, and the bag dust removal system is used to achieve green production.
Diversified Applications
The products are widely used in electrical (cable connectors), industrial (valve components, bolts), automotive (cams, flanges) and other fields to meet the needs of high-strength structural parts.
Q1:Do you provide samples? Is it free or extra?
A1:Yes, we can provide samples free of charge and the customer will pay the freight.
Q2:What if I don't have export experience ?
A2:We have reliable forwarder agent which can ship items to you by sea/air/Express to your doorstep. Any way, we will help you choose the most suitable shipping service.
Q3:How long is your lead time?
A3:If it is in stock, it is usually 5-10 days. Or, if there is no inventory, 15 days, depending on the quantity.
Q4:What are your terms of payment?
A4:30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100%.Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L 30-120 days, O/A.
Q5:How is your technical support?
A5:We provide lifetime online support through Whatsapp/ Skype/ Wechat/ Email. Any problem after delivery, we will offer you call anytime.
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