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随着乙烯及其他化工设备的引进,我国先后从联邦德国、日本等国家进口了一些3.5％Ni钢及其焊接材料。本文就进口3.5％Ni钢的应用情况、制造工艺,自制3.5％Ni钢的研制及其配套材料的供应情况作了概述,并提出了今后加强该材料研究工作的几点建议。
With the introduction of ethylene and other chemical equipment, China imported some 3.5% Ni steel and its welding materials from the Federal Republic of Germany and Japan. This paper gives an overview of the application of 3.5% Ni steel, manufacturing process, the development of 3.5% Ni steel and the supply of its supporting materials, and puts forward some suggestions on how to strengthen the material research in the future.