标 准 编 号:BS 5950-2-2001 简体中文标题:建筑物中结构用的钢制件.材料、制造和装配规范.轧制及焊接型材 繁体中文标题:建筑物中结构用的钢制件.材料、制造和装配规范.轧制及焊接型材 English Name:Structural use of steelwork in building - Specification for materials, fabrication and erection - Rolled and welded sections