Round Size: Dia:12-50mm(rolled) Dia:50-180mm(forged) Dia:180-300mm(ESR forged). Flat Size: Width:20-100mm Thickness:60-510mm Or Width:100-250mm(ESR) Thickness:200-510mm. *Above are the normally production size,other sizes are doable upon request. Delivery condition:EFS / ESR , hot forged / rolled bar , annealed , black surface / turned bright surface is available Feature: Recognized for its high wear-resistance,high compression stregth and fince robustness.The spheroical annealed make it easily processed by shearing and cutting with no crack while processing. Applied in thickness no less than 2mm punch mould,all kind of small mould for shearing and cutter together with screw-rolled or slappered mould as well as some other forming mould like rulers. Standard exporting packing in bundles.