... , BOP Body, Tube Plate, Roller Forging, Roller Shell, Ring Forging, Gears, Gear Blank, Gear Shaft, Gear Wheel. ... CSIC. UT test: 100% ultrasonic test according to EN10228-3, SA388, Sep 1921 C/c etc. Heat Treatment ... : EAF-LF-VD/ESR. Material Certificate according to En10204-3.1 is requested from ingot supplier. 6. Specifications ... Shaft ≤2.5 ≤15 Block ≤4.0 / Ring ≤4.9 ≤3.5 Cylinder ≤1.5 ≤8.0 7. Standards: ...