... BOP Body, Tube Plate, Roller Forging, Roller Shell, Ring Forging, Gears, Gear Blank, Gear Shaft, Gear Wheel. 2. Materials: Carbon steel, Alloy steel 3 ... % ultrasonic test according to EN10228-3, SA388, Sep 1921 C/c etc. Heat Treatment Report: provide original copy of heat treatment ... , ASTM/ASME, EN, DIN, GOST 8. Max Weight: 55T 9. Certification: ISO9001: 2000, CCS 10. OEM and Customized service offered ...