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ASTM A814/A814M-2008 冷加工焊接奥氏体不锈钢管的标准规范

ASTM A814/A814M-2008 冷加工焊接奥氏体不锈钢管的标准规范

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【英文标准名称】: Standard Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe
【原文标准名称】: 冷加工焊接奥氏体不锈钢管的标准规范
【标准号】: ASTM A814/A814M-2008
【标准状态】: 现行
【国别】: 美国
【发布日期】: 2008
【实施或试行日期】:
【发布单位】: 美国材料与试验协会(US-ASTM)
【起草单位】: A01.10
【标准类型】: (Specification)
【标准水平】: ()
【中文主题词】:
【英文主题词】: austenitic stainless steel pipe; cold-worked pipe; Austenitic stainless steel pipe--specifications; Cold-worked steel--specifications; Corrosive service applications--pipe (steel); Stainless steel pipe--specifications; Welded steel pipe--specifications
【摘要】: 1.1 This specification covers two classes of flanged and cold-bending quality cold-worked straight-seam single or double welded austenitic steel pipe intended for high-temperature and general corrosive services. Note 18212;When the impact test criterion for a low-temperature service would be 15 ftx00B7;lbf [20 J] energy absorption or 15 mils [0.38 mm] lateral expansion, some of the austenitic stainless steel grades covered by this specification are accepted by certain pressure vessel or piping codes without the necessity of making the actual test. For example, Grades 304, 304L, and 347 are accepted by the ASME Pressure Vessel Code, Section VIII Division 1, and by the Chemical Plant and Refinery Piping Code, ANSI B31.3 for service at temperatures as low as x2212;425 x00B0;F [x2212;250 x00B0;C] without qualification by impact tests. Other AISI stainless steel grades are usually accepted for service temperatures as low as x2212;325 x00B0;F [x2212;200 x00B0;C] without impact testing. Impact testing may, under certain circumstances, be required. For example, materials with chromium or nickel content outside the AISI ranges, and for material with carbon content exceeding 0.10 %, are required to be impact tested under the rules of ASME Section VIII Division 1 when service temperatures are lower than x2212;50 x00B0;F [x2212;45 x00B0;C]. 1.2 Grades TP304H, TP304N, TP316H, TP316N, TP321H, TP347H, and TP348H are modifications of Grades TP304, TP316, TP321, TP347, and TP348, and are intended for high-temperature service. 1.3 Two classes of pipe are covered as follows: 1.3.1 Class SW8212;Pipe, single-welded with no addition of filler metal and 1.3.2 Class DW8212;Pipe, double-welded with no addition of filler metal. 1.4 Optional supplementary requirements are provided for pipe where a greater degree of testing is desired. These supplementary requirements call for additional tests to be made and, when desired, one or more of these may be specified in the order. 1.5 Table 1 lists the dimensions of cold-worked single- or double-welded stainless steel pipe. Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this specification. 1.6 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. The inch-pound units shall apply unless the x201C;Mx201D; designation of this specification is specified in the order.
【中国标准分类号】: H48
【国际标准分类号】: 23_040_10
【页数】: 6P.;A4
【正文语种】: 英语

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