What is the material of the truck crane wheel?
2, nylon pulley material for the engineering plastics - nylon-made crane pulley has a good technical performance, about to improve the life of the pulley 4 to 5 times and wire rope life 10 times.
3, in addition, there are welding pulley or hot-rolled pulley, welding pulley or hot-rolled pulley material is generally made of A3 or 20 steel, low carbon content, the ideal plastic and rigid.
Cast iron pulley material for high-strength cast iron (not less than HT200), production history longer, lower prices;
