... , Flange, Coupling, BOP Body, Tube Plate, Roller Forging, Roller Shell, Ring Forging, Gears, Gear Blank, Gear Shaft, Gear Wheel. 2. Materials ... : 100% ultrasonic test according to EN10228-3, SA388, Sep 1921 C/c etc. Heat Treatment Report: provide original copy of heat treatment ... (m) Length(m) Shaft ≤2.5 ≤15 Block ≤4.0 / Ring ≤4.9 ≤3.5 Cylinder ≤1.5 ≤8.0 7 ...