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.
This specification covers structural quality carbon steel plates furnished to chemical composition requirements. ASTM A 830 SAE1050 steel is available in several standard steel grades and non-standard grades.
KUNFENG is a 430 stainless steel plate supplier. We can also offer 430 stainless steel plate chemical composition and 430 stainless steel plate properties. If you are interested in 430 stainless steel, please contact KUNFENG.
KUNFENG Steel offers a wide range of advanced and standard aluminum machining services for aluminum products. We specialize in customized machining services to