A low carbon steel with a medium manganese content. Has good hardening properties, fair machinability and is excellent for cold bending and forming operations Readily brazed and welded. Suitable for shafting and for applications that do not require the greater strength of high carbon and alloy steels. Conforms to ASTM A-108 and AMS 5069. (Not applicable to bars under 2 15/16" and sizes lighter than 29.34 lbs per foot.)
All sizes available as hot dipped galvanized.
Unit of Measure



N/A Type 1018 Steel


N/A Flat Bar


N/A 1/4 x 1 3/8 inches

Working Decimal Equivalent

N/A 0.250 x 1.375 inches6.35 x 34.925 mm


N/A 1/4 inches


N/A 1 3/8 inches

Estimated Weight

N/A 1.169 lbs/ft1.739663716 kg/m

Estimated Weight per 12' Bar

N/A 14.0 lbs6.3504 kg

ASTM Specification

N/A AMS 5069 ASTM A-108

Standard Length

N/A 12 ft