DIN EN 10297-1 Berichtigung:2004
机械工程和一般工程应用用无缝圆形钢管交货技术条件 第1部分:非合金钢和合金钢管;德文版 EN 10297-1:2003
Seamless circular steel tubes for mechanical engineering and general engineering applications – Technical delivery conditions – Part 1: Tubes of unalloyed and alloyed steels; German version EN 10297-1:2003