... Quality Assurance 5.UT,MT,Chemcial compositation Using Carbon Alloy steel forging wheelCE compliant, ISO9001:2001, 105mm ... Silicone (Water galss)Stainless Steel, Carbon Steel, Special Alloy Steel Bronze,Brass, AluminumSilica SolFORGINGHammer ForgingStainless Steel, Carbon ... length or fixed. ESR refined.Material grades: most carbon, alloy steel gradesForms: forged round, squares, flat bars; hollows, ...