admin Posted March 2, 2019 Report Share Posted March 2, 2019 What are the three grades of commercial copper and how do they differ in composition ? Which of these grades will you use when strength is the criterion and a cold drawn wire is to be (i) soldered, (ii) gas welded ? You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer Link to comment Share on other sites More sharing options...
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