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A shape is classed a "Bar Size Shape" when its greatest dimension (length excluded) is less than 3 inches.

The shapes listed in this section conform to ASTM A 36, a standard specification for structural steel.

ASTM Specification A 36

Stocked Lengths 20' , 30', & 40' as indicated
Unit of Measure
1 

Size

A

B

C

Estimated Weight per Foot

Estimated Weight 20-Ft. Length

Estimated Weight 30-Ft. Length

Estimated Weight 40-Ft. Length

1/2 x 1/2 x 1/8 N/A 1/2 in N/A 1/2 in N/A 1/8 in N/A .38 lb N/A 7.6 lb N/A 11.4 lb N/A
5/8 x 5/8 x 1/8 N/A 5/8 in N/A 5/8 in N/A 1/8 in N/A .48 lb N/A 9.6 lb N/A 14.4 lb N/A
3/4 x 3/4 x 1/8 N/A 3/4 in N/A 3/4 in N/A 1/8 in N/A .59 lb N/A 11.8 lb N/A 17.7 lb N/A
7/8 x 7/8 x 1/8 N/A 7/8 in N/A 7/8 in N/A 1/8 in N/A .70 lb N/A 14.0 lb N/A 21.0 lb N/A
1 x 5/8 x 1/8 N/A 1 in N/A 5/8 in N/A 1/8 in N/A .64 lb N/A 12.8 lb N/A 19.2 lb N/A
1 x 3/4 x 1/8 N/A 1 in N/A 3/4 in N/A 1/8 in N/A .70 lb N/A 14.0 lb N/A 21.0 lb N/A 28.0 lb
1 x 1 x 1/8 N/A 1 in N/A 1 in N/A 1/8 in N/A .80 lb N/A 16.0 lb N/A 24.0 lb N/A 32.0 lb
1 x 1 x 3/16 N/A 1 in N/A 1 in N/A 3/16 in N/A 1.16 lb N/A 23.2 lb N/A 34.8 lb N/A 46.4 lb
1 x 1 x 1/4 N/A 1 in N/A 1 in N/A 1/4 in N/A 1.49 lb N/A 29.8 lb N/A 44.7 lb N/A 59.6 lb
1 1/8 x 1 1/8 x 1/8 N/A 1 1/8 in N/A 1.125 in N/A 1/8 in N/A .90 lb N/A 18.0 lb N/A 27.0 lb N/A 36.0 lb
1 1/4 x 1 1/4 x 1/8 N/A 1 1/4 in N/A 1 1/4 in N/A 1/8 in N/A 1.01 lb N/A 20.2 lb N/A 30.3 lb N/A 40.4 lb
1 1/4 x 1 1/4 x 3/16 N/A 1 1/4 in N/A 1 1/4 in N/A 3/16 in N/A 1.48 lb N/A 29.6 lb N/A 44.4 lb N/A 59.2 lb
1 1/4 x 1 1/4 x 1/4 N/A 1 1/4 in N/A 1 1/4 in N/A 1/4 in N/A 1.92 lb N/A 38.4 lb N/A 57.6 lb N/A 76.8 lb
1 3/8 x 7/8 x 1/8 N/A 1 3/8 in N/A 7/8 in N/A 1/8 in N/A .91 lb N/A 18.2 lb N/A 27.3 lb N/A 36.4 lb
1 3/8 x 7/8 x 3/16 N/A 1 3/8 in N/A 7/8 in N/A 3/16 in N/A 1.32 lb N/A 26.4 lb N/A 39.6 lb N/A 52.8 lb
1 1/2 x 1 1/4 x 3/16 N/A 1 1/2 in N/A 1 1/4 in N/A 3/16 in N/A 1.64 lb N/A 32.8 lb N/A 49.2 lb N/A 65.6 lb
1 1/2 x 1 1/2 x 1/8 N/A 1 1/2 in N/A 1.500 in N/A 1/8 in N/A 1.23 lb N/A 24.6 lb N/A 36.9 lb N/A 49.2 lb
1 1/2 x 1 1/2 x 3/16 N/A 1 1/2 in N/A 1.500 in N/A 3/16 in N/A 1.80 lb N/A 36.0 lb N/A 54.0 lb N/A 72.0 lb
1 1/2 x 1 1/2 x 1/4 N/A 1 1/2 in N/A 1.500 in N/A 1/4 in N/A 2.34 lb N/A 46.8 lb N/A 70.2 lb N/A 93.6 lb
1 1/2 x 1 1/2 x 5/16 N/A 1 1/2 in N/A 1.500 in N/A 5/16 in N/A 2.86 lb N/A 57.2 lb N/A 85.8 lb N/A 114.4 lb
1 1/2 x 1 1/2 x 3/8 N/A 1 1/2 in N/A 1.500 in N/A .375 in N/A 3.35 lb N/A 67.0 lb N/A 100.5 lb N/A 134.0 lb
1 3/4 x 1 1/4 x 1/8 N/A 1 3/4 in N/A 1 1/4 in N/A 1/8 in N/A 1.23 lb N/A 24.6 lb N/A 36.9 lb N/A 49.2 lb
1 3/4 x 1 1/4 x 3/16 N/A 1 3/4 in N/A 1 1/4 in N/A 3/16 in N/A 1.80 lb N/A 36.0 lb N/A 54.0 lb N/A 72.0 lb
1 3/4 x 1 1/4 x 1/4 N/A 1 3/4 in N/A 1 1/4 in N/A 1/4 in N/A 2.34 lb N/A 46.8 lb N/A 70.2 lb N/A 93.6 lb
1 3/4 x 1 3/4 x 1/8 N/A 1 3/4 in N/A 1.750 in N/A 1/8 in N/A 1.44 lb N/A 28.8 lb N/A 43.2 lb N/A 57.6 lb
1 3/4 x 1 3/4 x 3/16 N/A 1 3/4 in N/A 1.750 in N/A 3/16 in N/A 2.12 lb N/A 42.4 lb N/A 63.6 lb N/A 84.8 lb
1 3/4 x 1 3/4 x 1/4 N/A 1 3/4 in N/A 1.750 in N/A 1/4 in N/A 2.77 lb N/A 55.4 lb N/A 83.1 lb N/A 110.8 lb
2 x 1 1/4 x 3/16 N/A 2 in N/A 1 1/4 in N/A 3/16 in N/A 1.96 lb N/A 39.2 lb N/A 58.8 lb N/A 78.4 lb
2 x 1 1/4 x 1/4 N/A 2 in N/A 1 1/4 in N/A 1/4 in N/A 2.55 lb N/A 51 0 lb N/A 76.5 lb N/A 102.0 lb
2 x 1 1/2 x 1/8 N/A 2 in N/A 1.500 in N/A 1/8 in N/A 1.44 lb N/A 28.8 lb N/A 43.2 lb N/A 57.6 lb
2 x 1 1/2 x 3/16 N/A 2 in N/A 1.500 in N/A 3/16 in N/A 2.12 lb N/A 42.4 lb N/A 63.6 lb N/A 84.8 lb
2 x 1 1/2 x 1/4 N/A 2 in N/A 1.500 in N/A 1/4 in N/A 2.77 lb N/A 55.4 lb N/A 83.1 lb N/A 110.8 lb
2 x 2 x 1/8 N/A 2 in N/A 2 in N/A 1/8 in N/A 1.65 lb N/A 33.0 lb N/A 49.5 lb N/A 66.0 lb
2 x 2 x 3/16 N/A 2 in N/A 2 in N/A 3/16 in N/A 2.44 lb N/A 48.8 lb N/A 73.2 lb N/A 97.6 lb
2 x 2 x 1/4 N/A 2 in N/A 2 in N/A 1/4 in N/A 3.19 lb N/A 63.8 lb N/A 95.7 lb N/A 127.6 lb
2 x 2 x 5/16 N/A 2 in N/A 2 in N/A 5/16 in N/A 3.92 lb N/A 78.4 lb N/A 117.6 lb N/A 156.8 lb
2 x 2 x 3/8 N/A 2 in N/A 2 in N/A .375 in N/A 4.70 lb N/A 94.0 lb N/A 141.0 lb N/A 188.0 lb
2 x 2 x 1/2 N/A 2 in N/A 2 in N/A .500 in N/A 5.92 lb N/A 118.4 lb N/A 177.6 lb N/A 236.8 lb
2 1/2 x 1 1/2 x 3/16 N/A 2 1/2 in N/A 1.500 in N/A 3/16 in N/A 2.44 lb N/A 48.8 lb N/A 73.2 lb N/A 97.6 lb
2 1/2 x 1 1/2 x 1/4 N/A 2 1/2 in N/A 1.500 in N/A 1/4 in N/A 3.19 lb N/A 63.8 lb N/A 95.7 lb N/A 127.6 lb
2 1/2 x 1 1/2 x 5/16 N/A 2 1/2 in N/A 1.500 in N/A 5/16 in N/A 3.92 lb N/A 78.4 lb N/A 117.6 lb N/A 156.8 lb
2 1/2 x 2 x 3/16 N/A 2 1/2 in N/A 2 in N/A 3/16 in N/A 2.75 lb N/A 55.0 lb N/A 82.5 lb N/A 110.0 lb
2 1/2 x 2 x 1/4 N/A 2 1/2 in N/A 2 in N/A 1/4 in N/A 3.62 lb N/A 72.4 lb N/A 108.6 lb N/A 144.8 lb
2 1/2 x 2 x 5/16 N/A 2 1/2 in N/A 2 in N/A 5/16 in N/A 4.50 lb N/A 90.0 lb N/A 135.0 lb N/A 180.0 lb
2 1/2 x 2 x 3/8 N/A 2 1/2 in N/A 2 in N/A .375 in N/A 5.30 lb N/A 106.0 lb N/A 159.0 lb N/A 212.0 lb
2 1/2 x 2 1/2 x 3/16 N/A 2 1/2 in N/A 2.500 in N/A 3/16 in N/A 3.07 lb N/A 61.4 lb N/A 92.1 lb N/A 122.8 lb
2 1/2 x 2 1/2 x 1/4 N/A 2 1/2 in N/A 2.500 in N/A 1/4 in N/A 4.10 lb N/A 82.0 lb N/A 123.0 lb N/A 164.0 lb
2 1/2 x 2 1/2 x 5/16 N/A 2 1/2 in N/A 2.500 in N/A 5/16 in N/A 5.00 lb N/A 100.0 lb N/A 150.0 lb N/A 200.0 lb
2 1/2 x 2 1/2 x 3/8 N/A 2 1/2 in N/A 2.500 in N/A .375 in N/A 5.90 lb N/A 118.0 lb N/A 177.0 lb N/A 236.0 lb
2 1/2 x 2 1/2 x 1/2 N/A 2 1/2 in N/A 2.500 in N/A .500 in N/A 7.70 lb N/A 154.0 lb N/A 231.0 lb N/A 308.0 lb
Unit of Measure
1