Specification and approval of welding procedures for production welding of steel castings Ingestion-build-251241 all the figures in this

all the figures in this document have been drawn in the first-angle orthographic projection

IEC 60068-2-18:1989

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Specification and approval of welding procedures for production welding of steel castings Ingestion-build-251241 all the figures in thisBS EN ISO 11970 is the international standard that specifies how a welding procedure specification (WPS) for production welding of steel castings is approved. BS EN ISO 11970 defines the conditions for the execution of welding procedure approval tests and the limits of validity of an approved welding procedure for all practical welding operations within the range of essential variables. Tests shall be carried out in accordance with BS EN ISO 11970