Specification for approval testing of welders when welding procedure approval is not required - Fusion welding of steel Ingestion-build-48974 Appliance characteristics

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Specification for approval testing of welders when welding procedure approval is not required - Fusion welding of steel Ingestion-build-48974 Appliance characteristicsSpecification for Approval testing of welders when welding procedure approval is not required Part 1: Fusion welding of steel Executive summary Requirements for the approval testing of welders to be engaged on manual or semi automatic fusion welding of ferritic steel or austenitic stainless steel fabrications. Abstract This British Standard, a part of the BS 4872 series, specifies requirements for the approval testing of welders to be engaged on the