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    美國標(biāo)準(zhǔn)低溫?zé)o縫鋼管的國產(chǎn)化研究

    Research on Localization of ASTM Seamless Steel Pipe for Low-temperature Service

    • 摘要: 基于ASTM A 333/A 333M標(biāo)準(zhǔn)，論述美國標(biāo)準(zhǔn)低溫?zé)o縫鋼管國產(chǎn)化現(xiàn)狀及其質(zhì)量；分析國產(chǎn)美國標(biāo)準(zhǔn)低溫?zé)o縫鋼管的應(yīng)用現(xiàn)狀。分析認(rèn)為：Gr1、Gr3、Gr6和Gr8已實(shí)現(xiàn)國產(chǎn)化，完成了低至-195℃的國產(chǎn)美國標(biāo)準(zhǔn)低溫?zé)o縫鋼管供貨體系。建議開展ASTM A 333/A 333M向ASTM A 334/A 334M的轉(zhuǎn)變，實(shí)現(xiàn)由低溫管道配管向低溫?fù)Q熱器用管的提升，擴(kuò)大國產(chǎn)美國標(biāo)準(zhǔn)低溫?zé)o縫鋼管的使用領(lǐng)域。

       

      Abstract: Based on ASTM A 333/A 333M, discussed in the essay are the current situation of localization of ASTM seamless steel pipe for low-temperature service, and the product quality, and present applications of such pipes as made at home.As a result of the analysis, it is regarded that the localization of Gr1, Gr3, Gr6 and Gr8 pipes have been realized, and the supply system for domestically-made ASTM seamless steel pipes for service under the lowest temperature as-195℃ has been established.Accordingly it is suggested to make transformation of the localization from ASTM A 333/A 333M pipes to ASTM A 334/A 334M pipes, so as to promote localization of the pipe for low-temperature piping service to that of the pipe for low-temperature heat exchanger service in a bid to expand the market places of the domestically-made ASTM seamless steel pipe for low-temperature service.

       

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