BS 4449适用于混凝土结构加固用带肋钢筋（钢筋、线圈和开卷产品）的制造商、制造商和采购商。它根据钢材等级、产品形状和尺寸提供名称。本标准用于规定钢筋的所有常规技术要求，包括化学分析、机械性能、肋几何形状和尺寸公差。交叉引用:BS EN 1766:2000BS EN 10020:2000BS EN 10025-1BS EN 10079BS EN 10080:2005BS EN 12390-3BS EN ISO 15630-1:2002BS EN 1992-1-1:2004BS EN 13877-3包含以下内容: AMD 171032007年4月。修正案，2009年3月。修订并替换BS 4449:2005。修正案，2016年3月。修订并替换BS 4449:2005+A2:2009

BS 4449 is intended for manufacturers, fabricators and purchasers of ribbed reinforcing steel (bars, coils and decoiled products) for the reinforcement of concrete structures. It provides designations based on the grade of steel, the product form and dimensions. The standard is used to specify all normal technical requirements for reinforcing steels, including chemical analysis, mechanical properties, rib geometry and tolerances on dimensions.Cross References:BS EN 1766:2000BS EN 10020:2000BS EN 10025-1BS EN 10079BS EN 10080:2005BS EN 12390-3BS EN ISO 15630-1:2002BS EN 1992-1-1:2004BS EN 13877-3Incorporates the following:AMD 17103, April 2007. Amendment, March 2009. Amends and replaces BS 4449:2005. Amendment, March 2016. Amends and replaces BS 4449:2005+A2:2009