div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer202201272261b41ac5a1b29461b90d9b4bhtml5page1jpg target=_blank img data-url=structural-tube-framehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: STRUCTURAL TUBE FRAME loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer202201272261b41ac5a1b29461b90d9b4bhtml5thumbnails1jpg width=140 height=200 adivpSTRUCTURAL TUBE FRAMEp pROUGH OPENING WIDTH = FINISHED OPENING WIDTH + 4-14”ROUGH OPENING HEIGHT = FINISHED OPENING HEIGHT + 2-316”pdiv