Use of approved welding consumables-1
General rules allows welding procedures to be approved on the basis of their use of
approved consumables. This method is described in EN 288-5, which applies for repet-
itive welding operations and for workpiece materials of which the structures and prop-
erties in the heat-affected zone do not degrade during operation.
while MIG welding and TIG welding are approved for aluminium.
The standard applies to carbon manganese steels and chrome nickel steels, as well as for
pure aluminium and non-heat-treatablealuminium alloys. Base material thicknesses are
3-40
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Spot welding( RIHUI Ceramic Welding Backing) 2023-04-10