Product Code:SAE AS7455
Title:Bolts and Screws, Steel, Low Alloy, Heat Resistant Hardened and Tempered, Roll Threaded
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:This procurement specification covers aircraft quality bolts and screws made from a low alloy, heat resistant steel of the type identified under the Unified Numbering System as UNS K14675. The following specification designations and their properities are covered. AS7455 140 000 to 195 000 psi ultimate tensile strength at room temperture.AS7455-1 140 000 to 195 000 psi ultimate tensile strength at room temperture, nickel-cadmium plated.Primarily for aerospace propulsion system applications where high strength at temperatures up to approximately 900 °F is required and the part is protected against corrosion.【英文标准名称】:AirCooledHeatExchangersforGeneralRefineryService
【原文标准名称】:用于普通精炼厂维修的空气冷却热交换器
【标准号】:ANSI/API661-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:空气;;补助产品;冷却;热交换器;天然气工业;石油工业;石油技术;熔炼厂;服务设施
【英文主题词】:Air;Air-cooled;Auxiliaryproducts;Cooling;Heatexchangers;Naturalgasindustries;Oilindustries;Petroleumtechnology;Refineries;Services
【摘要】:Specifiesrequirementsandgivesrecommendationsforthedesign,materials,fabrication,inspection,testingandpreparationforshipmentofair-cooledheatexchangersforuseinpetroleumandnaturalgasindustries.ThisInternationalStandardisapplicabletoaircooledheatexchangerswithhorizontalbundles,butthebasicconceptsmayalsobeappliedtootherconfigurations.
【中国标准分类号】:J75
【国际标准分类号】:75_180_20
【页数】:
【正文语种】:英语