ASTM f1554 Specification
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The ASTM F1554 specification was introduced in 1994 and covers anchor bolts designed to anchor structural supports to concrete foundations. F1554 anchor bolts can take the form of either headed bolts, straight rods, or bent anchor bolts. The three grades 36, 55, and 105 designate the minimum yield strength (ksi) of the anchor bolt. The bolts can be either cut or roll threaded and a weldable grade 55 can be substituted for grade 36 at the supplier’s option. Color coding on the end – 36 blue, 55 yellow, and 105 red – helps facilitate easy identification in the field. Permanent manufacturer and grade marking is allowed under the S2 supplementary requirements.

 

Applications for F1554 anchor bolts include columns in structural steel framed buildings, traffic signal and street lighting poles, and overhead highway sign structures to name just a few.

 

 

For quick Quote/Information on  F1554 Grade Anchor Bolts, please Contact Us

 

 

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

 

Supplementary Testing

 

Supplementary requirements shall apply only when specified in the purchase order or contract.

 

  • S1: Weldable version of the Grade 55 specification.  Through chemical composition restrictions and by a carbon equivalency formula, S1 provides assurance of weldability.  When S1 is not specified, the Grade 55 material may or may not be weldable.
  • S2: Permanent manufacturer’s identification on the end of the anchor bolt that projects from the concrete, in lieu of color coding.
  • S3: Permanent grade identification on the end of the anchor bolt that projects from the concrete, in lieu of color coding.
  • S4: Charpy Impact requirements at +40⁰F (+5⁰C) for grades 55 and 105. The minimum Charpy V-notch energy requirement is an average of 15ft-lbs for three specimens, with no one specimen falling below 12ft-lbs.
  • S5: Charpy Impact requirements at -20⁰F (-29⁰C) for grade 105. The minimum Charpy V-notch energy requirement is an average of 15ft-lbs for three specimens, with no one specimen falling below 12ft-lbs.

 

 

F1554 Mechanical Properties

 

Grade
Marking
Size inches
Tensile, ksi
Yield, ksi min
Yield, MPa min
Elong. % min
RA % min
36
1⁄4 - 4
58 - 80
36
248
23
40
55
1⁄4 - 2
75 - 95
55
380
21
30
21⁄4 - 21⁄2
75 - 95
55
380
21
22
23⁄4 - 3
75 - 95
55
380
21
20
31⁄4 - 4
75 - 95
55
380
21
18
105
1⁄4 - 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
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
0.26%
0.27%
0.28%
Manganese
*
0.60 - 0.90%
0.60 - 0.90%
Phosphorus, max
0.04%
0.04%
0.04%
0.040%
Sulfur, max
0.05%
0.05%
0.05%
0.050%
Copper, min (when specified)
0.20%
0.20%
0.20%
0.20%
* Optional with the manufacturer but shall be compatible with weldable steel

 

F1554 Recommended Hardware

 

Grade Identification Size Inches Recommended A563 Nut Washer
Plain Finish Hot-Dip or Mechanical Zinc Coated
Grade Style Grade Style
36
1/4 – 1-1/2
A
Hex
A
Hex
F436
1-5/8 – 4
A
Heavy Hex
A
Heavy Hex
55
1/4 – 1-1/2
A
Hex
A
Heavy Hex
F436
1-5/8 – 4
A
Heavy Hex
A
Heavy Hex
105
1/4 – 1-1/2
D1
Heavy Hex
DH2
Heavy Hex
F436
1-5/8 – 3
DH2
Heavy Hex
DH2
Heavy Hex

1 A563 grade D nuts are rarely available. A563 grade DH or A194 grade 2H should be substituted.
2 The availability of A563 grade DH nuts in nominal sizes 1″ and larger is very limited and generally available only on special orders of 50,000 or more. For smaller quantities, ASTM A194 grade 2H should be considered.

 

 

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