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    188宝金博页面版: API Spec 20F《石油和天然气工业用防腐螺栓》第二版

    下载积分： 100

    内容提示： API Specification 20F Corrosion-resistant Bolting for Use in the Petroleum and Natural Gas Industries SECOND EDITION | MAY 2018 | 32 PAGES | $86.00 | PRODUCT NO. G20F02This standard specifies requirements for the qualification, production, and documentation of corrosion-resistant bolting used in the petroleum and natural gas industries. This standard applies when referenced by an applicable API equipment standard or otherwise specified as a requirement for compliance. This standard establishes requirement...

    文档格式：PDF | 页数：1 | 浏览次数：528 | 上传日期：2018-11-07 14:29:46 | 文档星级：
    API Specification 20F Corrosion-resistant Bolting for Use in the Petroleum and Natural Gas Industries SECOND EDITION | MAY 2018 | 32 PAGES | $86.00 | PRODUCT NO. G20F02This standard specifies requirements for the qualification, production, and documentation of corrosion-resistant bolting used in the petroleum and natural gas industries. This standard applies when referenced by an applicable API equipment standard or otherwise specified as a requirement for compliance. This standard establishes requirements for two bolting specification levels (BSL). These two BSL designations define different levels of technical, quality, and qualification requirements: BSL-2 and BSL-3. The BSLs are numbered in increasing levels of requirements in order to reflect increasing technical, quality, and qualification criteria. BSL-2 and BSL-3 are intended to be comparable to BSL-2 and BSL-3 as found in API 20E. BSL-1 is omitted from this standard. This standard covers the following product forms, processes, and sizes: a) machined studs;b) machined bolts, screws, and nuts;c) cold-formed bolts, screws, and nuts with cut orcold-formed threads;d) hot-formed bolts and screws <1.5 in. (38.1 mm)nominal diameter;e) hot-formed bolts and screws ≥1.5 in. (38.1 mm)nominal diameter;f) roll threaded studs, bolts, and screws <1.5 in.(38.1 mm) diameter;g) roll threaded studs, bolts, and screws ≥1.5 in.(38.1 mm) diameter;h) hot-formed nuts <1.5 in. (38.1 mm) nominaldiameter;i) hot-formed nuts ≥1.5 in. (38.1 mm) nominaldiameter.For ordering information: Online: www.api.org/pubs Phone: 1-800-854-7179 (Toll-free in the U.S. and Canada) (+1) 303-397-7956(Local and International) Fax: (+1) 303-397-2740 API members receive a 30% discount where applicable. www.api.org

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