C45 seamless steel tube

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Manufacturing technique of the C45 seamless steel tube

C45 seamless steel tube production process can be divided into cold drawing and hot rolling and cold rolling of C45 seamless steel tube production process generally more complicated than hot rolled, three-roll rolling tube billet must first, after the extrusion sizing test, if there is no response of C45 seamless steel tube surface crack after pipe have to be cut after cutting machine, cutting grow about a meter of billet. 

Then enter the annealing process. The annealing should be pickling with acidic liquid. When pickling, please pay attention to whether there are lots of bubbles on the surface of C45 seamless steel tube.

The surface of cold rolled C45 seamless steel tube is shorter than that of hot rolled seamless steel pipe. The wall thickness of cold rolled steel pipe is generally smaller than that of hot rolled seamless steel pipe, but the surface looks brighter than thick walled C45 seamless steel tube.

The delivery state of C45 seamless steel tube is generally delivered after heat treatment. 
After quality inspection, the C45 seamless steel tube of hot rolling shall be strictly selected by hand by the staff. After quality inspection, the surface shall be coated with oil, followed by several cold drawing experiments. After C45 seamless steel tube hot rolling treatment, perforation experiment shall be conducted.

After straightening, the transfer device is sent to the flaw detector for testing. Finally, the C45 seamless steel tube is labeled and the specification is arranged and placed in the warehouse.

Please contact us if you have any need in the C45 seamless steel tube. We are the professional steel supplier and we can supply the high quality C45 seamless steel tube for you. And we have different sizes of C45 seamless steel tube to meet your any requirements.

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