无缝钢管外折、发纹的成因及对策

The causes and Countermeasures of the outer break and the development of seamless steel tube

当今社会，伴随着经济的快速发展，无缝钢管得到了广泛的应用，应用的行业包括：石油、电力、化工等，并且具有经济型的特征，所以一定要保证期生产质量，而在实际的生产过程中，无缝钢管表面裂纹是影响无缝钢管产品合格率的主要原因，本文主要对无缝钢管外折、发纹的成因以及相应的对策进行了探讨。

In today＇s society, with the rapid development of economy, seamless steel pipe has been widely used and industry applications including： petroleum, electric power, chemical industry, etc., and has the characteristics of economy, so be sure to guarantee the production quality of the period, and in the actual production process, the surface crack of seamless steel tube is the influence of seamless steel pipe product qualified rate of the main reasons, this paper focuses on the seamless steel tube folding, lines of the causes and the corresponding countermeasures are discussed.