Feb 16, 2022 · astm a249-a249m-2018a chn 下载积分： 2000 内容提示： ASTMA249/A249M-2018a锅炉、过热器、换热器和冷凝器用焊接奥氏体钢管子的标准规范Standard Specification for Welded Austenitic Steel Boiler,Superheater, Heat-Exchanger, and Condenser Tubes

Jun 1, 2024 · 本标准以固定名称 A249/A249M 发⾏；名称后⾯的数字表⽰⾸次采⽤的年份，或在修订的情况下表⽰最近修订的年份。 括号中的数字表⽰最近重新批准的年份。 对于 ASME 锅炉和压⼒容器规范的应⽤，请参阅相关规范如需参考 ASTM 标准，请访问 ASTM ⽹站 www.astm.org，或联系 ASTM 客⼾服务部⻔ [email protected]。 如需ASTM 标准年鉴卷信息，请参阅 ASTM ⽹站上该标准的文档摘要⻚⾯。 该法典第 II 节中 SA-249 规定。 1.3 本规范通常 …

ASTM A249 and ASTM A269 specifications are two ASTM standards for Austenitic stainless steel tubes, the difference between ASTM A249 and ASTM A269 is that ASTM A249 covers welded tubes while ASTM A269 covers not only welded tubes but also seamless tubes, they have differences in tolerances, tests, and applications, in practice, ASTM A249/ASTM ...

ASTM A249 is a specification covering the welded stainless steel tubes conforming to the austenitic category which find their primary application in high pressure purposes like boilers, super heaters, heat exchange devices, and condensers.

Mar 14, 2014 · Heat and product analysis shall conform to the requirements as to chemical composition for carbon, manganese, phosphorous, sulfur, silicon, chromium, nickel, …

May 1, 2024 · Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes. standard by ASTM International, 05/01/2024. LANGUAGES: English+Chinese【英文原文+中文翻译】

ASTM A249/A249M-24焊接奥氏体钢锅炉、过热器、换热器和冷凝器管的标准规范1.1 本规范 2. 包括由中所列奥氏体钢制成的标称壁厚焊接管和重冷加工焊接管 表1 ，具有各种等级，用于锅炉、过热器、热交换器或冷凝器管。 1.2 TP304H、TP309H、TP309 HCb、TP310H、TP310HCb、TPP16H、TP321H、TP347H和TP348H级是对TP304、TP309S、TP309Cb、TP310 S、TP310 Cb、TP316、TP321、TP347和TP348级的修改，适用于过热器和再热器等高温工况。 1.3 通 …

标准编号：a249/a249m-02 锅炉、过热器、热交换器及冷凝管用奥氏体焊接钢标准 1．适用范围 1．1该标准表1中列出了由奥氏体钢制造，用于锅炉、过热器、热交换器或冷凝管的各种钢种的具有标称壁厚的焊接钢管。

A249 XM-29型描述. 美国 ASTM A249TypeXM-29 锅炉、过热器、换热器和冷凝器用焊接奥氏体钢管及机械性能、化学成分、对照参考.

Nov 20, 2019 · · A249 is intended for critical environments in boilers or heat exchangers, and hence extensive mechanical testing is required. Full tensile and hardness testing is standard, as are flattening, flange and reverse bend. · A269 requires no tensile testing, but does require hardness tests, plus flange, reverse flattening.