Factory-Made Wrought Buttwelding Fittings
出版:American Society of Mechanical Engineers
专家解读视频
This Standard covers overall dimensions, tolerances,ratings, testing, and markings for factory-made wrought buttwelding fittings in sizes NPS 1∕2 through NPS 48 (DN 15 through DN 1200).
ASME B16.9 : 2012
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