ASTM F1554 GR 55 PDF

ASTM F grade 55 anchor bolts are manufactured from a modified mild steel that has a higher minimum yield strength 55 ksi than traditional A36 mild steel 36 ksi. This specification was widely used in the light pole and traffic signal industry long before the ASTM F specification was introduced in and was commonly referred to as A36M Contrary to popular belief, not all grade 55 material is weldable. If weldability is required, supplementary requirement S1 must be specified.

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The ASTM F specification was introduced in and covers anchor bolts designed to anchor structural supports to concrete foundations. F anchor bolts can take the form of either headed bolts, straight rods, or bent anchor bolts. The three grades 36, 55, and designate the minimum yield strength ksi of the anchor bolt.

Color coding on the end — 36 blue, 55 yellow, and red — helps facilitate easy identification in the field. Permanent manufacturer and grade marking is allowed under the S2 supplementary requirements. Applications for F 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. Supplementary requirements shall apply only when specified in the purchase order or contract.

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. The minimum Charpy V-notch energy requirement is an average of 15ft-lbs for three specimens, with no one specimen falling below 12ft-lbs. A grade DH or A grade 2H should be substituted.

Portland Bolt is operating at full capacity. F Grades F Grade 36 Low carbon, 36 ksi yield steel anchor bolts F Grade 55 High strength, low alloy, 55 ksi yield steel anchor bolts F Grade Alloy, heat treated, high strength ksi yield steel anchor bolts. When Grade 36 is specified, a weldable Grade 55 may be furnished at the supplier's option.

Portland Bolt. Stamping of F 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.

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ASTM F1554 Grade 55

Lightning Bolt is a fastener manufacturer and premiere supplier of Anchor Bolts in many different styles and materials. F anchor bolts are commonly used during civil construction for commercial and industrial projects. Within the specification it specifies that the supplier can substitute grade 55 weldable for grade 36 at their own discretion. When compared to the other grades within the F specification, grade 55 anchor bolts have a yield strength between the grade 55 and grade

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F1554 Grade 55

The ASTM F specification was introduced in and covers anchor bolts designed to anchor structural supports to concrete foundations. F anchor bolts can take the form of either headed bolts, straight rods, or bent anchor bolts. The three grades 36, 55, and designate the minimum yield strength ksi of the anchor bolt. Color coding on the end — 36 blue, 55 yellow, and red — helps facilitate easy identification in the field. Permanent manufacturer and grade marking is allowed under the S2 supplementary requirements. Applications for F 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.

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