Full shaft strength https://www.mclmgroup.com.au/wp-content/themes/engic/images/empty/thumbnail.jpg 150 150 admin admin https://secure.gravatar.com/avatar/02f80a498427234de8b44a9e04731a49?s=96&d=mm&r=g 09/25/2025 09/25/2025 Full shaft strength 09/25/2025 admin no comments Butt-welded cast helix uses the pipe’s full structural capacity; plate helix fillet welds limit design and can fold/bend.