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BS 4871-3 85th Edition, March 29, 1985
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Specification for Approval Testing of Welders Working to Approved Welding Procedures - Part 3: Arc Welding of Tube to Tube-Plate Joints in Metallic Materials
Includes all amendments and changes through Reaffirmation Notice , December 1, 2011
Additional Comments: W/D NO S/S
Page Count:16
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Information to the welder, items to be recorded in test, changes not affecting approval, extent of approval, types of test joint, examination and testing, statement of results, re-approval, recommended approval test certificate.