• BS 4870-4:1988

BS 4870-4:1988

Specification for approval testing of welding procedures-Specification for automatic fusion welding of metallic materials, including welding operator approval

BSI Group , 01/29/1988

Publisher: BS

File Format: PDF

$80.00$160.02


Approval testing of procedures, programmes, systems and operators for automatic or robotic welding. Items in welding procedure test, changes affecting approval, extent of approval, examination and testing.

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