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ASTM F1554 Specification

ASTM F1554 Bolt Grades

Bolt Grade Descriptions
Grade 36 Low carbon, 36 ksi yield steel anchor bolts
Grade 55 High strength, low alloy, 55 ksi yield steel anchor bolts
Grade 105 Alloy, heat treated, high strength 105 ksi yield steel anchor bolts

ASTM F1554 Chemical Composition

Element Grade 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 0.04% 0.04% 0.04% 0.040%
Sulfur 0.05% 0.05% 0.05% 0.050%
Copper 0.20% 0.20% 0.20% 0.20%

ASTM F1554 Mechanical Properties

Bolt Grade Size inches Tensile, ksi Yield, ksi min Yield, MPa min Elong % min RA % min
36 1/2 - 4 58 - 80 36 248 23 40
55 1/2 - 2 75 - 95 55 380 21 30
2 1/4 - 2 1/2 75 - 95 55 380 21 22
2 3/4 - 3 75 - 95 55 380 21 20
3 1/4 - 4 75 - 95 55 380 21 18
105 1/2 - 3 125 - 150 105 724 15 45

ASTM F1554 Recommended Nuts & Washers

Bolt Grade Sizes Inches Recommended A563 Nuts Washers
Plain Finish Hot-Dip or Mechanical Zinc Coated
Grade Style Grade Style
Grade 36 1/2 - 1 1/2 A Hex A Hex ASTM F436
1 5/8 - 4 A Heavy Hex A Heavy Hex
Grade 55 1/2 - 1 1/2 A Hex A Heavy Hex ASTM F436
1 5/8 - 4 A Heavy Hex A Heavy Hex
Grade 105 1/2 - 1 1/2 D1 Heavy Hex DH2 Heavy Hex ASTM F436
1 5/8 - 3 DH2 Heavy Hex DH2 Heavy Hex