... factory integrating smelting( vacuum, non-vacuum and resmelting), forging, hot rolling, heat treament, cold drawing, straightening, grinding, flaw detection ... , DIN 2.4668, UNS N07718 and API 6A718. Bright round bar: Dia13-200mm 1. Aprecipitation hardening nickel-base superalloy.2. ... and API 6A718.Available SizeBright bar: Φ13-73 mm for rolled bar & Φ90-140 mm for forged bar*Available size after 2009- ...