低温储罐容器用钢，国内一直采用进口钢材（3．5Ni，5Ni，9Ni等），开发利用国产钢材16MnDR制作低温容器是一个全新的课题。针对16MnDR材质的5000m^3低温液氨储罐的现场制作，从风险点控制、焊接工艺参数的确定、储罐的制作及检验等方面进行论述。%The steel for making cryogenic storage tanks is always being imported in the country （3.5 Ni, 5Ni,9Ni）and to explore and use the home-made 16MnDR for making cryogenic vessel is a brand-new topic. Aiming at the site-making of the 5 000 m^3 cryogenic liquid
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