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Welding Procedure Specification (WPS) Shall
give details of how a welding operation is to be performed and shall
contain all relevant information about the welding work. Welding
procedure specifications may cover certain range of thickness of the
joined parts and may also cover a range of parent metals and even filler
metals. Some manufacturers may prefer additionally to prepare work
instructions for each specific job as part of detailed production
planning. The relevant information shall be specified in the WPS. Ranges
and tolerances, according to the manufacturer's experience, shall be
specified where appropriate.
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