Specifies rhe dimensions, tolerances and generally used grades of stainless steel for bends /type 3D (90 and 180 ) with and without straight ends and type 5D (90 )/, concentric and eccentric reducers, tees, caps and stub ends with quality requirements as used for piping work.
Document identifier
ISO 5251:1981
Title
Stainless steel butt-welding fittings
ISO Category
TC 5/SC 5: Threaded fittings, solder fittings, welding fittings, pipe threads, thread gauges
Publication date
1981-04-01
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