General Welding Guidelines - MCAA

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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.

General. The instructions contained in this portion of the guidelines provide additional information to the welder concerning variables, which are not usually addressed by the Welding

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