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国家标准化管理委员会于7月12日批准发布了《铁路用热轧钢轨》国家标准。该标准是在修订整合GB2585-1981《铁路用每米38～50公斤钢轨技术条件》、GB181-1963《每米38公斤钢轨型式尺寸》、GB182-1963《每米43公斤钢轨型式尺寸》和GB183-1963《每米50公斤钢轨型式尺寸》等4项国家标准的基础上形成的。该标准由全国钢标准化技术委员会于1996年组织专家开始修订,
National Standardization Management Committee on July 12 approved the release of the “railway with hot-rolled rails,” the national standard. The standard is revised GB2585-1981 in the revision of “rail with 38 to 50 kilograms per meter rail technical conditions”, GB181-1963 “38 kilograms per meter rail type size”, GB182-1963 “43 kilograms per meter rail type size” and GB183 -1963 “50 kg per meter rail type size” formed on the basis of four national standards. The standard by the National Steel Standardization Technical Committee in 1996 organized experts began to amend,