| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide angle steel with a protrusion, which is resistant to deterioration and damage to beauty on account of rust, brings about high strength and a feeling of stable treading even when used as a scaffold, and has excellent safety. SOLUTION: The angle steel 1 with the protrusion is characterized in that the protrusions 3 for preventing slipping are provided on a surface of at least one outer side surface of a rolled angle steel body 2 composed of corrosion resisting steel such as stainless steel.</p> |
