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Ａｚｏｖｓｔａｌ’冶金联合公司多年来一直致力于生产用于制造气、油输送的大口径管线的高质量钢板 ,并取得了长足进展。该公司近 5年来在提高管线钢质量方面所进行的努力主要有以下几方面。(1)轧制钢板的热扩散处理。热扩散处理 (ｔｈｅｒｍｏｄｉｆｆｕｓｉｏｎｔｒｅａｔｍ
Azovstal ’Metallurgical Associates has been making strides over the years in producing high-quality steel for large diameter pipelines used in gas and oil transportation. The company’s efforts in improving the quality of pipeline steel in the past five years are mainly the following aspects. (1) Thermal diffusion of rolled steel. Thermal diffusion treatment (thermodiffusiontreatm