The adoption of the chamfered mould, slow cooling in CC and increasing the edge and corner temperature could effectively suppressed the edge defect of pipeline steel.
采用倒角结晶器及连铸弱冷工艺、提高轧件边角部温度可以有效抑制管线钢边部缺陷的产生。
2
At least one portion of the circumferential edge (48) of the mould (45) has a relatively small bevel, whereas the other portion of the circumferential edge (48) has a relatively large bevel.
Through making mould by ourself, casting, erasing edge of bearing pad and grinding, repair big bearing pad of ball crusher more quickly. The method has more economy benefits.