... seamless, buttweld fittings,elbow,tee,reducer,cap,bend,crossWe supply carbon steel pipe fittings of different standards.STANDARDS: ANSI B16. ... butt weld,socket weld and thread conection according to use requirementsCarbon steel elbow is used to be installed between ... selected accoding to the application use such as high temperature use,sanitary fitting,regular industrial use etcReducer is a kind of ...