... F1, F91. 2. Max OD2500mm, Length 7000mm 3. Rough machining or Completely machining 4.ISO9001:2008 1.Name:forged shaft ,big ... shaft,2.Material: carbon steel, alloy steel or stainless steel3.Certificates:ISO9001-2000,GL,ABS4.Min order:1 ... forged ,heat treatment N or T+Q8.Size:big size or customers requipment9.Packing: in wooden cases, wooden pallets or as per customers' special ...