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Fwd: Re: ASTM A320 grade L7 anchor bolts[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: wai(--nospam--at)euken.com
- Subject: Fwd: Re: ASTM A320 grade L7 anchor bolts
- From: rlewis(--nospam--at)techteam.org (Richard Lewis)
- Date: 07 Aug 1997 12:41:29 GMT
Le, The A320 L7 bolts are alloy steel bolts specifically designed for low temperature applications and are generally used for pressure vessels, valve flanges and fittings. The alloy is a chromium-molybdenum mix and the carbon content is 0.38 to 0.48 percent. The yield strength is 105 psi and the tensile strength is 125 psi. The minimum impact energy absorption is 20 ft-lbf at minus 150 degrees F (WOW). Thomas Hunt Fluor Daniel ______________________________ Reply Separator _________________________________ I am looking for references about ASTM A320 grade L7 as anchor bolt material. Specifically, I am looking for criteria that toughness verification is required for anchor bolts. We use A307 for anchor bolts to hold either steel column or steel frame to the concrete foundation beneath. In one specification we obtained, it showed that A320 grade 7 is required for vibration and/or cold temperature exposure. It does not tell what level of stress the structure will be exposed to, whether the structure is subject to fatigue loading or how fast the strain rate of the loading. I would appreciate very much if someone can point out some source of references. Thank you --- Internet Message Header Follows --- Received: from server1.seaoc.org (bqe.com [184.108.40.206]) by host1.texramp.net (8.8.5/8.8.5) with SMTP id MAA26114 for <rlewis(--nospam--at)techteam.org>; Wed, 23 Apr 1997 12:00:25 -0500 (CDT) Received: from juliette.fabrik.com by server1.seaoc.org (NTList 3.02.13) id xa019523; Wed, 23 Apr 1997 09:46:22 -0700 Received: from primus.fabrik.com ([220.127.116.11]) by juliette.fabrik.com (post.office MTA v2.0 0813 ID# 0-0U10) with ESMTP id AAA175 for <seaoc(--nospam--at)seaoc.org>; Wed, 23 Apr 1997 09:41:30 -0700 Received: by primus.fabrik.com (Fabrik F07.0-000) id Megw.1193778 ; Wed, 23 Apr 1997 09:43:13 -0700 Date: Wed, 23 Apr 1997 09:20:00 -0700 From: "Hunt, Tom" <tom.hunt(--nospam--at)fluordaniel.com> Subject: Re: ASTM A320 grade L7 anchor bolts To: "seaoc(--nospam--at)seaoc.org" <seaoc(--nospam--at)seaoc.org> Message-ID: <Megw.1193778(--nospam--at)primus.fabrik.com> Reply-To: seaoc(--nospam--at)seaoc.org Error-To: seaoc-ad(--nospam--at)seaoc.org X-Loop: seaoc(--nospam--at)seaoc.org X-Info: [SEAOC] Owner: seaoc-ad(--nospam--at)seaoc.org X-POP3-Rcpt: seaoc-ad(--nospam--at)seaoc.org X-Sender: seaoc-ad(--nospam--at)seaoc.org Precedence: list X-ListMember: rlewis(--nospam--at)techteam.org [seaoc(--nospam--at)seaoc.org] __________________________________________________ Richard Lewis, P.E. Missionary TECH Team rlewis(--nospam--at)techteam.org The service mission like-minded Christian organizations may turn to for technical assistance and know-how.
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