Tag Archives: AISC

Fastener Standards Organizations

What standards organizations and specifying committees cover the types of bolts and fasteners Portland Bolt manufactures?

Portland Bolt manufactures a wide range of bolts and fasteners to numerous standards set by many different organizations and specifying committees. There are many different organizations for fasteners, all of which have their own set of standards and guidelines for manufacturing. We, as estimators, are often asked what the acronyms for such organizations and committees... Read more

A615 Anchor Bolts

I was told that I cannot use A615 grade anchor bolts because they are not listed in the approved anchor bolt section in the AISC manual. Is there a specification that addresses the use of A615 grade anchor bolts?

There is no mention of any ASTM A615 grade being specifically used for anchor bolts in any ACI, AISC or ASTM specifications that we are aware of. Simply, the A615 grade is a rebar specification for concrete reinforcement; it is not an anchor bolt or raw steel specification. Using rebar for anchor bolts does present... Read more

Bolt Welding Guidelines

When is it acceptable to weld to bolts, and when it is prohibited?

Many grades of bolt gain their strength though a heat treating process, and the addition of heat during welding can adversely alter those strength properties. However, some lower strength grades are easily weldable when manufactured from weldable steel. In general, steel items which have been heat treated for strength should generally not be welded since... Read more