ASTM A522/A522M-2007 低温环境用锻造或轧制8%和9%镍合金钢法兰,配件和部件标准规格

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【英文标准名称】:StandardSpecificationforForgedorRolled8and9%NickelAlloySteelFlanges,Fittings,Valves,andPartsforLow-TemperatureService
【原文标准名称】:低温环境用锻造或轧制8%和9%镍合金钢法兰,配件和部件标准规格
【标准号】:ASTMA522/A522M-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:A01.22
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:lowtemperatureapplications;nickelalloysteel;pipefittings;steel;pipingapplications;pressurecontainingparts;steelflanges;steelforgings;alloy;steelvalves
【摘要】:1.1Thisspecificationcovers8and9%nickel-alloysteelforgedorrolledflanges,fittings,valves,andpartsintendedforuseinweldedpressurevesselsforlow-temperatureservice.Thespecificationisapplicabletoforgingswithmaximumsectionthicknessof3in.[75mm]inthedoublenormalizedandtemperedconditionand5in.[125mm]inthequenchedandtemperedcondition.Forgingsunderthisspecificationareintendedforserviceatoperatingtemperaturesnotlowerthan-320176;F[-196176;C]forTypeIor-275176;F[-170176;C]forTypeIIorhigherthan250176;F[121176;C].1.2Materialunderthisspecificationisavailableintwotypeshavingdifferentchemicalcompositionsasfollows:TypeNominalNickelContent,%I9II8