weld neck flange

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Flange — A flange is an external or internal rib, or rim (lip), for strength, as the flange of an iron beam or I beam (or a T beam); or for a guide, as the flange of a train wheel; or for attachment to another object, as the flange on the end of a pipe,… … Wikipedia
steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying … Universalium
shoulder — Synonyms and related words: Chateaubriand, abutment, accept, advocate, afford support, alpenstock, ankle, arc boutant, arm, arm in arm, articulation, as one, ascender, assault, associate with, assume, athletic supporter, avoid, back, back up,… … Moby Thesaurus

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