Steven's FAQs

ASTM F1554 Grade 55

Grade 5 or A449 vs F1554 Grade 55

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

In most circumstances the answer is no. For Grade 5 the answer is never. Although, Grade 5 meets the minimum yield requirements of F1554gr55, the minimum tensile requirements exceed the maximum tensile requirements in all cases. A449 is similar in regards to meeting the minimum yield strength of F1554 Grade 55 across the board but... Read more

ASTM F1554 Grade 36

A307 Grade A vs F1554 Grade 36

Will imported A307 grade A hex bolts meet the requirements of F1554 grade 36?

Anchor bolts which are embedded in concrete and used for structural anchorage purposes can assume several forms. Common forms of anchor bolts include right angle bend anchor bolts, swedged rods, and threaded rods (typically with a nut and/or square plate attached to the bottom of the rod). Another common configuration for an anchor bolt is... Read more

Stainless Steel Bolt Differences

What are the differences between hex bolts ordered as type 304 stainless steel, A193 Grade B8, and F593 Group 1 (type 304 stainless)?

Hex bolts are often ordered as a type 304 stainless and not to a specific ASTM specification. When bolts are ordered under the raw material grade (type 304) and not to an ASTM fastener specification, there are no specific requirements other than that they meet the chemical and physical requirements of 304 stainless steel and... Read more