... .ISO,CE,ANSI certification 4.Seamless welded 45 degree elbow Purpose:Elbow are the pipe fitting Used in change the direction of ... elbow, card sleeve elbow,double bearing the bend, flange elbow, reducer elbow, tooth bend, stamping elbow inside andoutside screw, pushing elbow ... 9001 AND CE CERTIFICATE.we can produce many kinds of pipe bends. 45 degree socket welded elbow:Size:seamless fittings 1/2" - 20 ...