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BS 1640-1(1962) : 1962現(xiàn)行
SPECIFICATION FOR STEEL BUTT WELDING PIPE FITTINGS FOR THE PETROLEUM INDUSTRY - WROUGHT CARBON AND FERRITIC ALLOY STEEL FITTINGS
出版：British Standards Institution
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基本信息
標(biāo)準(zhǔn)編號(hào)： BS 1640-1(1962) : 1962
發(fā)布時(shí)間：1962/1/1 0:00:00
標(biāo)準(zhǔn)類(lèi)別：Standard
出版單位：British Standards Institution
標(biāo)準(zhǔn)頁(yè)數(shù)：24
標(biāo)準(zhǔn)簡(jiǎn)介
Describes requirements for wrought seamless and fabricated carbon and ferritic alloy steel butt welding pipe fittings for petroleum industry. Following types of fittings are covered 45 degrees long radius elbows; 90 degrees long and short radius elbows; 90 degrees long radius tangent elbows; long and short radius return bends; equal and reducing tees; concentric and eccentric reducers; caps and lap joint stub ends. Excludes welding neck flanges which are included in B.S. 1560 and B.S. 3293. Also lists information to be supplied by the purchaser.
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