Rebar Fabrication

Rebar

ASTM specifications ensure that rebar meets certain standards in terms of strength, bendability, and composition. These specifications help ensure consistency and quality across different batches of rebar produced by various manufacturers. Overall, meeting ASTM specifications ensures that rebar is suitable for its intended purpose and contributes to the safety and longevity of concrete structures. Contact your local Carroll Supply for availability.

ASTM 615 Standard Reinforcing Bars

Bar Size Designation

Weight Pound Per Foot

Diameter Inches

Cross Sectional Area Sq. Inches

Perimeter Inches

#3 .376 .375 .11 1.178
#4 .668 .500 .20 1.571
#5 1.043 .625 .31 1.963
#6 1.502 .750 .44 2.356
#7 2.044 .875 .60 2.749
#8 2.670 1.000 .79 3.142
#9 3.400 1.128 1.00 3.544
#10 4.303 1.270 1.27 3.990
#11 5.313 1.410 1.56 4.430
#14 7.65 1.693 2.25 5.32
#18 13.60 2.257 4.00 7.09

Nominal Dimensons - Round Sections

Reinforcing bars are marked with information indicating their size, grade, steel alloy, and place of origin. The diagram below illustrates how to read these markings.