ASTM B75 Seamless Copper Rod
ASTM B75 is a specification for seamless copper rod that is used in a wide range of industrial applications. The specification covers various grades of copper, including C10100, C10200, C10300, and C10800.
The seamless copper rods covered by ASTM B75 are typically used in applications where a high level of electrical conductivity and thermal conductivity is required, such as in electrical wiring, power generation and transmission, and heating and cooling systems.
The seamless copper rod specified by ASTM B75 is manufactured using a hot-working process, such as extrusion or piercing, to produce a continuous length of copper without any seams or joints. This process ensures that the copper has a uniform grain structure and consistent properties throughout the length of the rod.
In addition to specifying the manufacturing process, ASTM B75 also defines the chemical composition, physical properties, and dimensional tolerances of the copper rod. This ensures that the material meets the required standards for quality and performance.
| Property | Specification |
|---|---|
| Material | Copper, grades C10100, C10200, C10300, C10800 |
| Manufacturing Process | Hot-working, such as extrusion or piercing |
| Shape | Round |
| Length | Continuous |
| Diameter | 1/8" to 8" |
| Tolerance | Diameter and straightness per ASTM B21 |
| Temper | Soft (annealed), half-hard, hard |
| Electrical Conductivity | Minimum of 100% IACS (International Annealed Copper Standard) |
| Thermal Conductivity | High |
| Corrosion Resistance | Good |
| Applications | Electrical wiring, power generation and transmission, heating and cooling systems |
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