A449

A449 Marking Requirements

by Mike Monlux
August 22, 2013October 10, 2014
6 Comments

What are the marking requirements for A449 bolts?

Grade 5 or A449 vs F1554 Grade 55

by Steven Wallenstein
January 4, 2012October 29, 2014
2 Comments

Can I substitute Grade 5 or A449 bolts for F1554 grade 55 bolts?

ASTM A325 vs A449

by Greg Lindsay
July 30, 2008December 29, 2014
15 Comments

I have two items that use 1″ bolts, one is ASTM A325 and the other is ASTM A449, I would like to just use one. Which is the one that meets or exceeds the other?