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Electrolytic Tough-Pitch (ETP) Copper Rod
The copper rods supplied by our company can be widely used in electrical engineering, electrical appliances, power transmission and transformation, molds, metal processing and other industries. They are high-quality conductive materials for various high and low voltage electrical accessories. Electrolytic Tough Pitch (ETP) copper is the most widely used grade of copper in electrical applications. Our primary products are the 8mm, 12.5mm, copper rods that have at least 99.99% copper content and comply with international standards including BS: EN 1977 and ASTM-B49.
Electrolytic Tough-Pitch (ETP) Copper Rod
Standard: ASTM B49-10
Typical Analysis (UNS number C11040)
Copper includes silver: min. 99.90%
Oxygen: 250 ± 15 ppm
Physical Characteristics and Mechanical Properties
Diameter: 8, 10.5, 11.4, I 2, 14.5, 17 ± 0.38 mm
Electrical Conductivity: ≥ 100 % IACS
Oxide Film Thickness: ≤ 750 Å
Tensile Strength: 225-240 N/mm2
Elongation (A250): 42-44%
Twist to Failure: ≥ 47 turns
10/10 Twist no defect such as checks, flakes, seams or overfills
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