Category

Main parameter specifications

Common technical standards

Typical steel grades

Applications

Ring
Cylinder

≤Φ850mm外径≤Φ850mm
Outside diameter

GB/T3077, EN10083,
EN10085, JB/T6395

18CrNiMo7-6, 17CrNiMo6, 20CrNiMo, 20CrNi2Mo,
20CrMnMo, 20CrMnTi, 34CrNiMo6, 30CrNiMo8,
40CrNiMo, 35CrMo, 42CrMo

Ring forgings such as gear ring for port machinery and marine machinery

≤Φ850mm外径≤Φ850mm
Outside diameter

NB/T47008~47010

18CrNiMo7-6, 17CrNiMo6, 20CrNiMo, 20CrNi2Mo,
20CrMnMo, 20CrMnTi, 34CrNiMo6, 30CrNiMo8,
40CrNiMo, 35CrMo, 42CrMo

Pressure vessel forgings for chemical machinery