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British Standards Extra Supplement
BS EN ISO
Specifies requirements for the qualification testing of welding procedures for the arc welding of tube to tube-plate joints in metallic materials by manual, partly mechanized, mechanized or automatic processes. Applies to fusion welding of metallic materials for tube to tube-plate joints with gap.
Superseded by BS EN ISO 15614-8:2016. Supersedes BS 4870-3:1985.
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