Ultra high precision steel pipe

Shandong Molong uses cold drawing, cold rolling, honing and other processing methods to produce ultra-high precision seamless steel pipes for manufacturing hydraulic and pneumatic cylinder barrels, oil pump barrels and other products.

Inner diameter specification: 25~4 400mm Wall thickness: 2.5~25mm

Materials: 10, 20, 35, 45, Q345B, 16Mn, 37Mn5, 27SiMn, etc

Adopting standards:

API SPEC 11AX

Specification for Oil Pump and Its Components

GB8713

Precision inner diameter seamless steel pipe for hydraulic and pneumatic cylinder barrels

GB3639

Cold drawn or cold-rolled precision seamless steel pipe