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What is the amount of carbon contained by a soft steel wire?(a) 0.1% to 0.18%(b) 0.15% to 0.22%(c) 0.18% to 0.26%(d) 0.2% to 0.27%This question was posed to me in an interview for internship.My question comes from Arc Welding Equipment topic in section Welding and Related Processes of Casting-Forming-Welding II

Answer»

Correct OPTION is (a) 0.1% to 0.18%

The explanation: A SOFT steel wire contains about 0.1% to 0.18% of carbon. Soft steel wire also has other contents in it like phosphorous and SULPHUR in it. The amount of phosphorous is soft steel is AROUND 0.0025%.



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