三级抗拉强度的专利冷拔普通碳素钢圆钢丝的要求。化学成分、标准尺寸和公差、试验方法、机械性能、包装和标识细节。交叉引用:BS 443BS 1121BS 4545BS 6562:第1部分

Requirements for patented cold drawn plain carbon steel round wire in three grades of tensile strength. Chemical composition, standard sizes and tolerances, methods of testing, mechanical properties and details of packing and identification.Cross References:BS 443BS 1121BS 4545BS 6562:Part 1