Fay Industries, Inc. - 4140 Annealed and Cold Drawn Alloy Steel - Rounds
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All Categories > Alloyed Bars and Plates > Cold Finished Alloy Steels > 4140 Annealed Cold Finished Alloy Steels > 4140 Annealed and Cold Drawn Alloy Steel - Rounds > View Items 
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4140 Annealed and Cold Drawn Alloy Steel - Rounds

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Rounds

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These are oil-hardening steels of relatively high hardenability. Their chromium content provides good hardness penetration, and the molybdenum imparts uniformity of hardness and high strength. These grades are especially suitable for forging because they have self-scaling characteristics. They respond readily to heat treatment and are comparatively easy to machine in the heat treated condition. They resist creep in temperatures up to 1000°F and maintain their properties even after long exposure at these relatively high working temperatures. With a combination of such highly desirable properties as good strength and wear resistance, excellent toughness coupled with good ductility, and the ability to resist stress at elevated temperatures, it is understandable why these are widely used and highly successful alloy steels.

This material is also available as leaded steel. The addition of lead improves machinability without sacrificing other desirable properties, with the exception that the use of this material is not recommended for applications over 400°F, since at elevated temperature ductility is low.

The following specifications are generally applicable for 4140/42 Heat Treated Rounds: ASTM A 193, Grade B7; ASTM A 434, Grades BC and BD.

Maximum Brinell 235

Stock Lengths 12' Approx.


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Size

Estimated Weight per Foot

Estimated Weight 12-Ft. Bar

List Price

3/16 .0940 lb 1.130 lb QUOTE
1/4 .1671 lb 2.005 lb QUOTE
5/16 .2610 lb 3.132 lb QUOTE
3/8 .3759 lb 4.510 lb QUOTE
7/16 .5116 lb 6.139 lb QUOTE
1/2 .6682 lb 8.019 lb QUOTE
9/16 .8457 lb 10.15 lb QUOTE
5/8 1.044 lb 12.53 lb QUOTE
11/16 1.263 lb 15.16 lb QUOTE
3/4 1.504 lb 18.04 lb QUOTE
13/16 1.765 lb 21.17 lb QUOTE
7/8 2.046 lb 24.56 lb QUOTE
15/16 2.349 lb 28.19 lb QUOTE
1 2.673 lb 32.07 lb QUOTE
1 1/16 3.017 lb 36.21 lb QUOTE
1 1/8 3.383 lb 40.59 lb QUOTE
1 3/8 3.769 lb 45.23 lb QUOTE
1 1/4 4.176 lb 50.12 lb QUOTE
1 5/16 4.604 lb 55.25 lb QUOTE
1 3/8 5.053 lb 60.64 lb QUOTE
1 7/16 5.523 lb 66.28 lb QUOTE
1 1/2 6.014 lb 72.17 lb QUOTE
1 9/16 6.526 lb 78.31 lb QUOTE
1 5/8 7.058 lb 84.70 lb QUOTE
1 11/16 7.612 lb 91.34 lb QUOTE
  Results 1 - 25 of 49 1 2 
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