标 准 编 号:BS EN 10210-1-2006 简体中文标题:非合金和细晶结构钢的热精加工空心型材.交货技术要求 繁体中文标题:非合金和细晶结构钢的热精加工空心型材.交货技术要求 English Name:Hot finished structural hollow sections of non-alloy and fine grain steels - Technical delivery requirements