for surfacing welding the wear out parts of agriculture and architecture mechanic, as grand bulldozer, roll-wheel of dynamic spade and ringy chain of car.
用于农业、建筑机械等的磨损部分的堆焊,如大型推土机、动力铲的滚轮、汽车环链等。
ringy amorphous alloy fe36co36b20si4nb4 is obtained by the method of copper mould suction casting.