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Hot expansion is a processing method of steel pipe, and hot expansion production is the production process of processing small diameter steel pipe into large diameter steel pipe. The production and manufacture of large-diameter seamless steel pipes require large-scale steel pipe hot-rolling equipment, with an investment of several hundred million yuan or several billion yuan. The steel pipe hot-rolling equipment has the advantages of low investment and simple equipment, but there are also technical problems such as difficult control of the production process and unstable product quality. The company has been engaged in the production and research of hot expansion seamless steel pipe for many years, and has mastered the production technology of large diameter seamless steel pipe. A set of seamless steel pipe hot expansion production process with strong practicability, reliability and operability is summarized to guide the hot expansion production practice. It is of great significance to improve the quality of hot expansion steel pipe, reduce waste, reduce loss, standardize the operation of hot expansion workers and provide high quality steel pipe for customers.
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Shenyang Tengfei Iron Corporation
Shenyang Tengfei Steel Pipe Co., Ltd.
Address: No.6 A 3, No.13 Road, Economic and Technological Development Zone, Shenyang City, Liaoning Province
E-mail:tfwelcome@163.com
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