Welded steel tubes for pressure purposes — Technical delivery conditions — Part 2: Electric resistance and induction welded unalloyed and alloyed steel tubes with specified elevated temperature properties
压力用焊接钢管——技术交付条件第2部分:具有规定高温性能的电阻和感应焊接非合金和合金钢管
Specifies the technical delivery conditions for electric resistance and induction welded tubes of circular cross-section having a wall thickness up to and including 16 mm, made of unalloyed and alloyed steels with specified elevated temperature properties. These pipes are intended for the construction of steam generating equipment and for interconnecting pipework. Partial revision of ISO 2604-3:1975.