The result showed hotsizing was the main factor to cause critical deformation, to make mixed grain and coarse grain widmanstatten appear in parting face.
The practical production show that the high size precision round bar can be rolled by arranging the sizing passes on remained stands without on-line hotsizing mill.
在暂不具备在线热定径设备情况下,采用空余机架布置定径孔型可生产高精度圆钢。
3
The copolymers are widely used as elastomer, film, foam, coating, hot-melt adhesive, water-based adhesive, textile sizing agent, fabric coat and so on.