Drawability of copper fire refining in a multiwire at high speed

Drawability of copper fire refining in a multiwire at high speed

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In recent years, a broad investment program has given La Farga experience in the technology of drawing FHRC rod and ETP standard rod. Nowadays a large quantity of FRHC copper rod is drawn to 0.25 mm to produce cables from 1.5 mm2 with a very low ratio of breaks per ton of multiwire. All these cables have a very good relative electrical resistivity and weight by length (densoresistivity). A technical comparison of productivity and product quality between both types of copper (Cu-ETP and Cu-FRHC) will be presented in this paper.

SKU: P05033 Category: Tags: , , , , , ,

Description

In recent years, a broad investment program has given La Farga experience in the technology of drawing FHRC rod and ETP standard rod. Nowadays a large quantity of FRHC copper rod is drawn to 0.25 mm to produce cables from 1.5 mm2 with a very low ratio of breaks per ton of multiwire. All these cables have a very good relative electrical resistivity and weight by length (densoresistivity). A technical comparison of productivity and product quality between both types of copper (Cu-ETP and Cu-FRHC) will be presented in this paper.

Additional information

Author(s)

Nùria Sirvent and Miguel Garcia, La Farga Lacambra, Spain.
Publication/Event/Pages

Paper presentee at WAI International Technical Conference, From Rod to Wire and Wire Products, Stresa, Italy. Paper published in WJI, Sept. 2004, pg. 58.
Year

2003

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