admin Posted February 28, 2019 Report Share Posted February 28, 2019 What is the purpose of the following operations for coating iron and steel, and how are they accomplished ? Calorising, galvanising, phosphate coating, black oxide coating, sherardising, Chromising, and siliconising. 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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