Large Modulus Spur Ring Gear: 1.Material:Carbon/Alloy steel 1) Customer's drawing 2) High Quality Large Modulus Spur Gear for Heavy-Duty ... Coupling, BOP Body, Tube Plate, Roller Forging, Ring Forging, Gear Blank, Gear Wheel. 2. Materials: Carbon steel, Alloy ... Ring: Outer Dia 1600mm, Weight 4T max 10.Certification: ISO9001: 2000, CCS 11. OEM and Customized service offered Large Modulus Spur Ring Gear ...