To: "'seaint(--nospam--at)seaint.org'" <seaint(--nospam--at)seaint.org>
Subject: ASTM A500 Gr B
From: Nicholas Blackburn <nblackburn(--nospam--at)fdgoak.com>
Date: Mon, 19 Feb 2001 11:38:50 -0800
I have a question for all you steel guys who are working on President's Day.
Our company specifies A500 Gr B "seamless" for the hollow structural
sections we typically use for elevator towers, canopies etc. A contractor
has asked us what "seamless" means, i.e. is it extruded.
We spoke with a local fabricator and they indicated that all they stock is
welded HSS sections and that seamless would be a mill order item of at least
The question: Is A500 Gr B available as a seamless product? If so, what is
the cost impact and will it perform differently than the single welded seam
version commonly available?
Nicholas Blackburn, PE