DS EN 10217-5:2002 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 Defines the technical delivery conditions in two test categories of submerged arc welded tubes of circular cross section, with specified elevated temperature properties, made of non-alloy and alloy st