Substitutes for the Stainless Steel Wire Now Used in Spiral-Four Cable.
BATTELLE MEMORIAL INST COLUMBUS OHIO
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Carbon-manganese-iron alloys containing up to 1.2 per cent carbon and up to 20 per cent manganese were studied. Where the alloys contain more than about 0.1 per cent carbon they are not sufficiently drawable for quantity production of 0.015-inch-diameter wire. Chromium-manganese-iron alloys, which contain more than 0.10 per cent carbon plus nitrogen, are also exceedingly difficult to draw. Alloys containing less than 0.1 per cent carbon or nitrogen and having chromium between 10 and 13 per cent and manganese between 16 and 18 per cent appear promising for the Spiral-four cable application. Small additions of copper appear to be beneficial. Alloys have been made in this composition range which meet the requirements. Additional tests are now in progress to determine more precisely the ranges of carbon, manganese, and copper contents that are suitable. Author
- Electrical and Electronic Equipment