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.
NK DH40 shipbuilding steel plates are mainly used for making the offshore oil drilling platform, the hull of ship building and ship repairing, the platform pipe joints and other components.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement.
RADEX 500 is a high-strength, wear-resistant steel with favorable hardness and impact toughness. RADEX 500 wear-resistant steel plate can help extend the lifespan of machinery, decrease wear in structural components and save costs. RADEX 500 wear-resistan