圆环链闪光对焊的深冷处理

DEEP COLD TREATMENT FOR ROUNDED IRON CHAIN WITH FLASH BUTT WELDING

用连续闪光对焊焊接圆环链焊，焊后进行深冷处理，其焊缝组织性能比采用常规热处理的明显提高，延长了圆环链的使用寿命．

Rounded iron chain was welded by using flash butt weldjng After being deep cold treated theproperty of the welding seam is higher than that of the normal heat-treated welding seam. And the serve life ofrounded iron chain is longer.