ASTM Standard HK40, Na22h, HP, More-2 Heat Resistant Cast Steel Furnace/Hearth Roll

QYD is one of the largest roll/roller manufactuer in the world, it has 200000 square meters manufacturing base, could supply one-stop service to all kinds of rolls.

In glass indusrty, QYD is the biggest annealing lehr roller supplier in the world. It could provide, LOR roller, all kinds of lehr rollers from A zone to F zone, such like steel plain roller, metal ring/donut roller, fiber roller, castellated roller, carbon ring roller, composite ring roller etc.

In metallurgical industry, QYD supplis all kinds of rolls to both hot rolling and cold rolling lines. In hot rolling line, QYD supplies transportation wear-resistant rolls; In cold rolling heat treatment line, QYD rolls used in various of continuous heat treatment lines, like CAL,CGL,CPL etc. The products include steel plain roll, coated roll, water cooling roll, carbon/ceramic sleeve roll and so on.