包括用于摩托车和摩托车的无缝钢管和焊接钢管。定义每根指定管的化学成分、机械性能、尺寸、公差和技术交付条件。交叉引用:BS 18:第4BS 3894部分:第1BS 5135部分第19号手册

Covers seamless and welded steel tubes intended for use in cycles and motor cycles. Defines chemical composition, mechanical properties, dimensions, tolerances and technical delivery condition for each tube specified.Cross References:BS 18:Part 4BS 3894:Part 1BS 5135Handbook No. 19