ASTM F1554 Grades

F1554 Grade 36 - Low carbon, 36 ksi yield steel anchor bolts

F1554 Grade 55 - High strength, low alloy, 55 ksi yield steel anchor bolts

F1554 Grade 105 - Alloy, heat treated, high strength 105 ksi yield steel anchor bolts


F1554 Mechanical Properties
Grade Size inches Tensile, ksi Yield, ksi min Yield, MPa min Elong. % min RA % min
36 1/2" to 4" 58 - 80 36 248 23 40
55 1/2" to 2" 75 - 95 55 380 21 30
2-1/4" to 2-1/2" 75 - 95 55 380 21 30
2-3/4" to 3" 75 - 95 55 380 21 30
3-1/4" to 4" 75 - 95 55 380 21 30
105 1/2" - 3" 125 - 150 105 724 15 45

Stamping of F1554 bolts with manufacturer's identification is a supplemental requirement (S2).

Color coding is required unless the grade is stamped in accordance with supplemental requirement (S3).

When Grade 36 is specified, a weldable Grade 55 may be furnished at the supplier's option.


F1554 Chemical Properties
Element Grades 36 Grades 55 and 105
Sizes up to 3/4 Sizes over 3/4 to 1-1/2 Sizes over 1-1/2 to 4
Carbon (max) 0.26% 0.27% 0.28% -
Manganese * 0.60 - 0.90% 0.60 - 0.90% -
Phosphorus, max 0.04% 0.04% 0.04% 0.04%
Sulfur, max 0.05% 0.05% 0.05% 0.05%
Copper, min (when specified) 0.20% 0.20% 0.20% 0.20%

* Optional with the manufacturer but shall be compatible with weldable steel


All information derived from globally recognized specifications, subject to change, user discretion is advised.