ISO 657-21 : 1983(R2016)现行
HOT-ROLLED STEEL SECTIONS - PART 21: T-SECTIONS WITH EQUAL DEPTH AND FLANGE WIDTH - DIMENSIONS
出版：International Organization for Standardization
专家解读视频
This International Standard specifies dimensions of the hot-rolled tee sections with equal depth and flange width.
DIN 1024 : 1982 - Similar to
PN 91/H-93406 : 1991 - Identical
NFA 45 008 : 1983 - Similar to
PN 91/H-93406 : 1991 - Identical
NFA 45 008 : 1983 - Similar to
DIN 1024 E : 1982 - Similar to
DIN 1024 : 1982 - Similar to
