Cold formed welded steel structural hollow sections-Technical delivery conditions for high strength and weather resistant steels
冷成型焊接钢结构空心型材
2020-10-08
ASTM A1112/A1112M-18
Standard Specification for Cold-Formed Welded High Strength Carbon Steel or High-Strength Low-Alloy Steel Hollow Structural Sections (HSS) in Rounds and Shapes
圆形和形状的冷成型焊接高强度碳钢或高强度低合金钢空心结构型材(HSS)的标准规范
2018-11-01
DIN EN 10219-3
Cold formed welded steel structural hollow sections - Part 3: Technical delivery conditions for high strength and weather resistant steels
冷成型焊接钢结构空心型材.第3部分:高强度和耐候钢的交货技术条件