STS Industrial - Bolts & Screws

 

ASTM F1554

SCOPE:

ASTM F1554 covers the mechanical and material properties of steel anchor bolts having a yield strength of 36, 55, and 105 ksi. Anchor bolts are used to anchor a structure to a concrete foundation. They are embedded in concrete and have a threaded portion which projects from the concrete. The embedded portion of the anchor bolt creates resistance to prevent the anchor from pulling out of the concrete when a load is applied.

 

Grade 36 Material Marking

GRADE 36

Grade 55 Material Marking

GRADE 55

Grade 105 Material Marking

GRADE 105

Unless otherwise specified, the protruding end of each anchor bolt shall be color coded as shown above. For Permanent Grade Identification, the projected end of the anchor bolt may be stamped (instead of color coded) Grade 36 – Stamped “AB36”, Grade 55 – Stamped “AB55”, Grade 105 – Stamped “AB105”.

MATERIAL PROPERTIES:

 

CARBON STEEL

GRADE

TENSILE STRENGTH 

YIELD STRENGTH 

ELONGATION IN 2″, MIN

REDUCTION OF AREA, MIN

GRADE 36 58,000 to 80,000 psi 36,000 psi 23% 40%
GRADE 55 75,000 to 95,000 psi 55,000 psi 21% 1/4 to 2″ – 30%

>2 to 2 1/2″ – 22%

>2 1/2 to 3″ – 20%

>3 to 4″ – 18%

GRADE 105 125,000 to 150,000 psi 105,000 psi 15% up to 3″ – 45%
Yield strength listed is minimum acceptable per governing standard.

 

Sources: ASTM Standards for Mechanical Fasteners and Related Processes 2nd Edition, Inch Fastener Standards 8th Edition, Kanebridge Fastener Reference Guide 4th Edition

Note: All material included on this page is informational only, and should not be used as one’s sole source for design purposes. STS Industrial, Inc. and its affiliates do not guarantee the accuracy of the information on this site, and retain no liability for the use or misuse of the information contained on this site.