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All Categories > Alloyed Bars and Plates > Aircraft Alloy Steels > Cold Finished Aircraft Alloy Bars > 4140 Aircraft Alloy Bars > 4140 Aircraft Annealed & Cold Finished Alloy - Flats  
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4140 Aircraft Annealed & Cold Finished Alloy - Flats

38 Items Available

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This chromium molybdenum alloy is a deep hardening steel used where strength and impact toughness are required. It has high fatigue strength making it suitable for critical stressed applications at normal as well as elevated temperatures. For increased resistance to wear and abrasion, it may be nitrided.
This grade is a quality product melted under the best of steelmaking practices for aircraft quality steels. It is vacuum degassed to meet the magnetic particle inspection standards of AMS 2301.

UNS G41400, MIL-S-5626 - AMS 6382 - AMS 2301

Color Marking:
Normalized Bars—Ends painted Gray
Annealed Bars—Ends painted Brown

Physical Conditions C
Surface Condition 4

Stock Lengths: 12' Approx.

Maximum Brinell 241

Item #

Estimated Weight per Foot

Estimated Weight 12-Ft. Bar

3/8 x 2 2.552 lb 30.63 lb
1/2 x 1 1.702 lb 20.42 lb
1/2 x 1 1/2 2.552 lb 30.63 lb
1/2 x 2 3.403 lb 40.84 lb
1/2 x 2 1/2 4.254 lb 51.05 lb
1/2 x 3 5.105 lb 61.26 lb
1/2 x 4 6.806 lb 81.68 lb
1/2 x 5 8.508 lb 102.1 lb
1/2 x 6 10.21 lb 122.5 lb
3/4 x 1 2.552 lb 30.63 lb
Showing 10 of 38  |  View All 38 Standard Items

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