div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=aw-first-steel-39-2013-2-25-bs-1139-1990-metal-scaffolding-specificationhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: AW first steel P15unitedsteelpipecom2012PDF1-balck_steel_pipe6-EN 39 · 2013 2 25 · BS 1139-1990 METAL SCAFFOLDING SPECIFICATION max mm 480 FOR TUBES FOR USE IN SCAFFOLDING loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer2022052809607b02f33a0a9b56e724d535html5thumbnails1jpg width=140 height=200 divdiv