September 12, 2017 By CoffyAMP
Gearboxes for Pumping JackGearboxes for Pumping Jack and Pumping Unit
SMI Gearboxes for Pumping Jack and Pumping Unit have been widely used and recognized in Texas, USA since 1996.
AISI: 1035, 1040, 4140, 4320, 4340, 8620H
Properties to meet:
AISI 8620H, AISI 135, AISI 1045, AISI 4140, AISI 4320, AISI 4340
Heat Treatment:
Full anneal, Normalize, Carburize, Case hardening, Quench & temper, Flame harden, Induction harden