38309 ⎘
Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes; Making tubes with welded or soldered seams Preparing the edges of the metal sheet with the aim of having some effect on the weld
Exhaust system component
#2Method of producing metallic composite pipes
#3Fatigue resistant coiled tubing
#4Flash-butt welded bearing component
#5COILED TUBING WITH IMPROVED FATIGUE RESISTANCE AND METHOD OF MANUFACTURE
#6COILED TUBING WITH IMPROVED FATIGUE RESISTANCE AND METHOD OF MANUFACTURE
#7Method and equipment for manufacturing electric resistance welded steel pipe
#8UOE steel pipe excellent in collapse strength and method of production thereof
#9Method of manufacturing electric resistance welding pipe having excellent characterization of welded seam
#10Method of manufacturing electric resistance welding pipes having excellent characterization of welded seams
#11Cylindrical rod and method for manufacturing the same
#12Method and apparatus for making tubes
#13UOE steel pipe excellent in collapse strength and method of production thereof