BS 4848-4(1972) : 1972被替代
SPECIFICATION FOR HOT ROLLED STRUCTURAL STEEL SECTIONS - EQUAL AND UNEQUAL ANGLES
出版：British Standards Institution
专家解读视频
Defines the dimensions, rolling tolerances and properties of a coordinated metric range of hot rolled steel equal and unequal angles. Covers basis of calculation, mass tolerances, dimensional tolerances, straightness, out of squareness, and tolerance tables.
NZS/BS 4848.4:1972 - Identical
EURONORM 57 : 1978 - Similar to
EURONORM 56 : 1977 - Similar to
NZS/BS 4848.4:1972 - Identical
