
Welded steel tubes for pressure purposes?- Technical delivery conditions?- Part?2: Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties;?
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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This document specifies the technical delivery conditions for two test categories of electric welded tubes of circular cross section, with specified elevated temperature properties, made from non-alloy quality steel or alloy special steel.