顶吹转炉20管坯钢试验

PILOT—SCALE WORK of 20 TUBE STEEL

本文介绍用纯氧顶吹转炉冶炼、浇铸20管(坯)钢和开管、冷拔钢管的生产工艺,试验结果成材率为71.5％,合格率为92.9％。

This paper described the arts about the melting in BOF, pouring in mould, rolling into tube rounds, tube rolling and cold-drawing of the 20 tube steel.As a result, the rate of finished products is of 71.5%, and the percentage of qualification is of 92.9%.