This part of ISO 9692 specifies types of joint preparation for metal-arc welding with covered electrode, gas shielded metal-arc welding, gas welding, TIG welding and beam welding of steel (see Clauses 3 and 4). It applies to joint preparation for full penetration butt welds and for fillet welds. For partial penetration butt welds, types of joint preparation and dimensions differing from those specified in this part of ISO 9692 may be stipulated. The root gaps referred to in this part of ISO 9692 are those gaps presented after tack welding, if used. Consideration should be given to altering the joint preparation details (where appropriate) to facilitate temporary backing, “one-sided welding”, etc.
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