Annealing Process of Seamless Steel PipeAnnealing process of seamless steel pipe : 1. Fully annealed. It is used to refine the coarse and superheated structure with poor mechanical properties in medium and low carbon steels after casting, forging and welding. The workpiece is heated to a temperature between 30 and 50 ° C above the temper ...
lvy lee - Permanent Steel Manufacturing Co.,Ltd
Posted 11 months agoPress
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