F1554 Grade 36

Overview

ASTM F1554 grade 36 anchor bolts are manufactured from A36, low carbon steel. This is your standard, run-of-the-mill bolt grade covering anchor bolts in diameters ranging from 1/2″ through 4″. In August of 2007, F1554 grade 36 replaced ASTM A307 grade C which also covered mild steel anchor bolts.

Galvanizing

F1554 grade 36 anchor bolts can be supplied plain black, mechanically galvanized, or hot-dip galvanized.

Welding

F1554 grade 36 anchor bolts are weldable. Common anchor bolt configurations include a rod that is threaded on both ends with a nut and/or anchor plate welded to the embedded end of the anchor bolt. Headed anchor bolts can also have an anchor plate welded to the head of the bolt if the head itself does not provide enough pull-out resistance.

Supplementary Testing

The following supplemental requirements apply to F1554 Grade 36.  Supplementary requirements shall apply only when specified in the purchase order or contract.

S2: Instead of the standard color coding of blue spray paint to indicate Grade 36, supplemental requirement S2 can be specified by the purchaser to require a permanent manufacturer’s identification on the end of the anchor bolt that projects from the concrete.

S3: Instead of the standard color coding of blue spray paint to indicate Grade 36, supplemental requirement S3 can be specified by the purchaser to have a permanent grade identification on the end of the anchor bolt that projects from the concrete.

Material Substitution

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

Mechanical Requirements

Grade Identification Size, Inches Tensile, ksi Yield, ksi min Yield, MPa min Elong. % min Reduction of Area %, min
36 ASTM F1554 Grade 36 1/2 - 4 58 - 80 36 248 23 40
1Color coding (blue) is required while permanent stamping with manufacturer's identification and grade designation are supplementary requirements.

Nuts and Washers

GRADE IDENTIFICATION SIZE, INCHES RECOMMENDED A563 NUT WASHER
PLAIN FINISH HOT-DIP OR MECHANICAL ZINC COATED
GRADE STYLE GRADE STYLE
36 ASTM F1554 Grade 36 1/2 - 1-1/2 A Hex A Hex F436
1-5/8 - 4 A Heavy Hex A Heavy Hex
For additional compatible nuts see the Nut Compatibility Chart.