ASTM F1554 Baden Steelbar amp Bolt Corp
F1554 Grades F1554 Grade 36 Low carbon 36 ksi yield steel anchor bolts These roughly correspond to the previous ASTM A307 or to ASTM A36 F1554 Grade 55 Medium strength low alloy 55 ksi yield steel anchor bolts F1554 Grade 105 105 Alloy heat treated high strength 105 ksi yield steel anchor bolts