ISO 4200:1991现行
Plain end steel tubes, welded and seamless - General tables of dimensions and masses per unit length
出版：International Organization for Standardization
专家解读视频
BS 3600:1976 - Equivalent
PN ISO 4200:1998 - Identical
NS 582:1982 - Similar
NFA 49 004:1984 - Similar
NS ISO 4200 Ed. 1 (1991) - Identical
DIN 2448 (1981-02) - Similar
DIN 2458 (1981-02) - Similar
UNI ISO 4200:1989 - Identical
NBN EN 253:2003 - Identical
NBN E 29 318:1989 - Identical
DIN 2460 (2006-06) - Identical
DIN ISO 4200 (1981-02) - Identical
DIN V ENV 10220 (1994-02) - Identical
SS 1787:1984 - Similar
SS 1887:1984 - Similar
KS D ISO 4200:2005 - Identical
