BS 4504-1(1969) : 1969被替代
SPECIFICATION FOR FLANGES AND BOLTING FOR PIPES, VALVES AND FITTINGS - METRIC SERIES - FERROUS
出版：British Standards Institution
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基本信息
标准编号： BS 4504-1(1969) : 1969
发布时间：1969/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：104
标准简介
Establishes requirements for circular flanges and materials with appropriate bolting. Covers integral: steel, cast iron, malleable cast iron, welding neck steel, plate steel, screwed boss steel and malleable cast iron, slip-on boss steel,, loose for welded on lapped pipe ends steel and blank steel.
