These are carbon-manganese free machining grades which have been severely cold worked to produce high tensile properties. The bars are specially treated to relieve the stresses set up by the cold working, thus minimizing the tendency toward warpage after machining which is common in ordinary cold.drawn bars.
These steels have built-in high strength hardness, and wearability, without the necessity of heat treatment. Thus they are often used for parts requiring mechanical properties ordinarily obtained by heat treating an alloy grade to the Rockwell C hardness range of 23-30 after machining.
Both grades are available as Cold Drawn Bars or Ground and Polished Bars. The latter possess the close tolerances and fine finish normally found in ground and polished bars, plus the combination of free machinability, minimum warpage, high strength and wearability not found in ordinary steels.

Stock Lengths: 12' Approx.

ASTM A311 Class B

Color Marking: Ends painted Gray
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Size

Estimated Weight per Foot

Estimated Weight 12-Ft. Bar

N/A .1280 lb N/A 1.540 lb
N/A .1671 lb N/A 2.005 lb
N/A .1886 lb N/A 2.263 lb
N/A .2114 lb N/A 2.537 lb
N/A .2610 lb N/A 3.132 lb
N/A .2878 lb N/A 3.453 lb
N/A .3759 lb N/A 4.510 lb
N/A .4078 lb N/A 4.894 lb
N/A .4758 lb N/A 5.710 lb
N/A .5116 lb N/A 6.139 lb
N/A .6682 lb N/A 8.019 lb
N/A .7106 lb N/A 8.527 lb
N/A .7544 lb N/A 9.052 lb
N/A .8457 lb N/A 10.15 lb
N/A 1.044 lb N/A 12.53 lb
N/A 1.097 lb N/A 13.16 lb
N/A 1.263 lb N/A 15.16 lb
N/A 1.504 lb N/A 18.04 lb
N/A 1.567 lb N/A 18.80 lb
N/A 1.765 lb N/A 21.17 lb
N/A 2.046 lb N/A 24.56 lb
N/A 2.120 lb N/A 25.44 lb
N/A 2.349 lb N/A 28.19 lb
N/A 2.673 lb N/A 32.07 lb
N/A 2.757 lb N/A 33.08 lb
N/A 3.017 lb N/A 36.21 lb
N/A 3.383 lb N/A 40.59 lb
N/A 3.573 lb N/A 42.88 lb
N/A 3.769 lb N/A 45.23 lb
N/A 4.176 lb N/A 50.12 lb
N/A 4.604 lb N/A 55.25 lb
N/A 4.826 lb N/A 57.91 lb
N/A 5.053 lb N/A 60.64 lb
N/A 5.523 lb N/A 66.28 lb
N/A 6.014 lb N/A 72.17 lb
N/A 6.526 lb N/A 78.31 lb
N/A 7.058 lb N/A 84.70 lb
N/A 7.612 lb N/A 91.34 lb
N/A 8.186 lb N/A 98.23 lb
N/A 8.781 lb N/A 105.4 lb
N/A 9.397 lb N/A 112.8 lb
N/A 10.03 lb N/A 120.4 lb
N/A 10.69 lb N/A 128.3 lb
N/A 11.37 lb N/A 136.4 lb
N/A 12.07 lb N/A 144.8 lb
N/A 12.79 lb N/A 153.5 lb
N/A 13.53 lb N/A 162.4 lb
N/A 14.29 lb N/A 171.5 lb
N/A 15.08 lb N/A 180.9 lb
N/A 15.88 lb N/A 190.6 lb
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