ASME B16.9-2003 FACTORY-MADE WROUGHT BUTTWELDING FITTINGS

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ASME B16.9-2003 FACTORY-MADE WROUGHT BUTTWELDING FITTINGS
1 SCOPE
1.1 General
This Standard covers overall dimensions,tolerances,ratings, testing, and markings for wrought factory-madebuttwelding fittings in sizes NPS 1% through 48 (DN 15through 1200).
1.2 Special Fittings
Fittings may be made to special dimensions,sizes,shapes, and tolerances by agreement between the manu-facturer and the purchaser.
1.3 Fabricated Fittings
Fabricated laterals and other fittings employing cir-cumferential or intersection welds are considered pipefabrication and are not within the scope of this Standard.Fabricated lap joint stub ends are exempt from theabove restrictions, provided they meet all the require-ments of the applicable ASTM material specificationlisted in para.5.文章源自标准下载网-https://www.biao-zhun.cn/119135.html

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最近更新2022-4-2
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