Spot Chongqing seamless pipe factory Shou Lei materials introduced 20 # seamless pipe process

Spot Chongqing seamless pipe factory Shou Lei materials introduced 20 # seamless pipe process sanitary grade mirror pipe process: billets - inspection - peeling - inspection - heating - perforation - pickling - grinding - - Lubrication and air-drying - Welding head - Cold drawing - Solution treatment - Pickling - Pickling passivation - Inspection - Cold rolling - Degreasing - Cutting head - Air drying - Internal polishing - Outside Polishing - Inspection - Marking - Finished Packaging Industrial Tube Process Flow: Tube Billet - Inspection - Peeling - Inspection - Heating - Perforation - Pickling - Trimming - Drying - Welding Head - Cold drawing - solution treatment - pickling - pickling passivation - test the above 20 # seamless pipe process source

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