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Category

Main parameter specifications

Common technical standards

Typical steel grades

Applications

Disk type
Flange type

Φ70～Φ1200mm

GB/T3077, EN10083,
EN10084, JB/T6395

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

Gears, wheels, etc. for port machinery and marine machinery

Φ70～Φ1200mm

NB/T47008~47010

20, 35, 16Mn, 15CrMo, 1.25 Cr-0.5Mo, 2.25 Cr-1Mo,
2.25 Cr-1Mo-0.3V, 12 Cr2Mo1V, 21CrMo10,
0-1Cr8Ni9(Ti), 1Cr17Ni2, 304（L）, 316L(N),
321, 347, 00Cr19Ni13Mo3, 00Cr22Ni5Mo3N

Pressure vessel forgings for chemical machinery