The process flow and characteristic of seamless tube
Seamless steel pipe with hollow section, a large number of fluid transport pipelines, such as oil, natural gas, gas, water and some solid materials pipeline.Compared to the steel pipe and round steel solid steel bending torsional strength phase at the same time, the weight is lighter, is a kind of economic cross section steel, widely used in the manufacture of structural and mechanical parts, such as petroleum drill pipe, auto transmission shaft, bicycle frame and construction of steel scaffolding is used with steel pipe manufacturing annular parts, such as can improve material utilization, simplifying the manufacturing process, material saving and processing time, has been widely used to make steel pipe.
Seamless tube process flow
Tube billet heating - inspection - skin - - - perforation, pickling, grinding, dry lubrication, welding head, cold drawing, solid solution treatment, pickling, pickling passivation - inspection - cold rolled - oil - cutting head - dry - polishing, polishing, inspection, identification, finished product packaging
characteristics of seamless tube
1. Smaller outside diameter.
2. High precision can be used for small batch production
3. Cold drawing finished products have high precision and good surface quality.
4. The cross area of steel pipe is more complex.
5. Steel pipe performance is better, metal is relatively dense
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