General Welding Guidelines - MCAA

← Back to document page

General WeldingGuidelinesNational Certified Pipe Welding BureauGeneral Welding Guidelines National Certified Pipe Welding Bureau Revision date: April 2, 2013 2013 National Certified Pipe Welding Bureau 1385 Piccard Drive Rockville, MD 20850 301-869-5800 Fax: 301-990-9690 The National Certified Pipe Welding Bureau (NCPWB) gratefully acknowledges the permission from ASTM to use their data on copper tube sizes in this publication. CONTENTS MANDATORY PRACTICES General ........................................ ...................................... 3 Joints ........................................ ........................................ . 3 Filler Metal ........................................ ............................... 3 Postweld Heat Treatment.

remove paint, varnish, rust, dirt or oxide using a wire brush or grinding wheel. Paint which is designed to be welded over, such as “Deoxaluminite” may be welded over without removal. Brushing with a power wire brush to remove excess build …

  Guidelines, General, Wire, Welding, Wheel, General welding guidelines