... 3.Sharp,high efficiency 4.Long service life 5.Cutting metal,steel,iron Factory Advantages 1.Near to raw materials region ... they are used by aerospace,plant maintenance,foundry,automotive,metal,fabrication and shipyardsused for cutting metal,steel,stainless steel,inox,iron,tubes,steel ... sheets,high tensile metal,alloy steel, quench steel, tool steel and hard iron ...