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.
ISO3183 L360Q / X52Q PSL2 LSAW pipeline is our KUNFENG Steel main production products, we only provide qualified ISO3183 L360Q / X52Q PSL2 LSAW pipeline steel products with the best quality and reasonable price for our customers, to provide you with quality and cheap steel products
NK FH36 shipbuilding steel plates also can be used for producing container and bulk cargo vessels as well as cruise ships, ferries and yachts.The NK FH36 shipbuilding steel plates have yield strength of 51,000 psi (355 MPa)