
Welded steel tubes for pressure purposes - Technical delivery conditions - Part 5: Submerged arc welded non-alloy and alloy steel tubes with specified elevated temperature properties;
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
This document specifies technical delivery conditions for two test categories of submerged arc longitudinally (SAWL) or helically (SAWH) welded tubes of circular cross section, with specified elevated temperature properties, made from non-alloy quality steel or alloy special steel.