... 3.Sharp,high efficiency 4.Long service life 5.Cutting metal,steel,iron Factory Advantages 1.Near to raw materials region ... 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 ...