Drill String Cross-over Sub uses AISI4145H chromium-molybdenum steel, execute API specification.We can produce the same-dia type, reducers type and L-type three types, the screw can be cold thread rolling, copper or phosphate treatment.
In the standard EN10028-2 12CrMo9-10 steel work is alloy steels with specified elevated temperature properties,Our annual production capability is 3,000,000 tons
The RMRS EH32 shipbuilding steel plates have yield strength of 45,500 psi (315 MPa), and ultimate tensile strength of 64,000 - 85,000 psi (440-590 MPa).All RMRS steels are standard carbon steels. As with other grades of steel, they have a specific gravity
KUNFENG Steel offers a wide range of advanced and standard aluminum machining services for aluminum products. We specialize in customized machining services to