Detailed Product Description SIZE: 14.5mm to 2000mm OD(Other Sizes Available on Request)WEIGHT: to approx.6,000 lbs. (Dependent on OD/ID Dimensions)CONSTRUCTION: Open Die Press Forged from Ingot, Slab, Billet or Bar. Available as Smooth Forged or Rough Machined [Finish Machined - On Request]GRADES:GR1,GR2,GR3,GR5,GR7GR9,GR12,GR23 (Other Grades Available on Request)SPECIFICATIONS: ASTM B381 ASME ...