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包钢多年来研制的稀土钢新钢种之一,40MnN_bRE高压气瓶用钢材,于1988年10月14日通过了冶金部和内蒙冶金机械厅联合组织的技术和新产品转产鉴定。
Baotou Steel developed over the years one of the new types of rare earth steel, 40MnN_bRE high pressure gas cylinder steel, on October 14, 1988 adopted by the Ministry of Metallurgy and Metallurgy Machinery Hall jointly organized by the technology and new product identification.