- Jun 30, 2017 -

The high corrosion resistance in the acidic environment of the T-tube welded steel pipe in the environment with sulfuric acid or hydrochloric acid, the higher the content of NI is, the stronger the corrosion resistance is. In general, it is possible to prevent erosion by simply adding CR to the T-tube. The poor condition of the steel strip edge is another important cause of the wrong side. The effect of mass flow rate, heat flux density and structural parameters (ratio of helical curvature diameter and diameter of Dc D) on the heat transfer coefficient of saturated bubbly boiling in a vertical helical tube. In the production of the T-pole welded steel pipe, the wrong side often occurs, and its influence factors are many. In production practice, it is often caused by the wrong side of the error and the steel pipe is degraded. Therefore, it is necessary to analyze the cause of the spiral steel pipe's wrong side and its preventive measures.

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