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.
JIS G3103 SB480 is a kind of carbon steel plate used for boilers and other pressure vessels, If you have this kind of demands, please send us your inquiry.
EN 10155 S355J0W(1.8959) 1 steel plate can be provided by KUNFENG,we have EN 10155 S355J0W(1.8959) 1 steel plate price and specification,if you need EN 10155 S355J0W(1.8959) 1 steel plate,please contact us.