Fay Industries - 4140 Aircraft Hot Rolled Normalized Alloy - Rounds

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 D
Surface Condition 1

Stock Lengths: 12' and 20'

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Unit of Measure

Items	1 4140 Aircraft Hot Rolled Normalized Alloy - Rounds	1 1/8 4140 Aircraft Hot Rolled Normalized Alloy - Rounds	1 1/4 4140 Aircraft Hot Rolled Normalized Alloy - Rounds	1 3/8 4140 Aircraft Hot Rolled Normalized Alloy - Rounds	1 1/2 4140 Aircraft Hot Rolled Normalized Alloy - Rounds
Estimated Weight per Foot	N/A 2.673 lb	N/A 3.383 lb	N/A 4.176 lb	N/A 5.053 lb	N/A 6.014 lb
Estimated Weight 20-Ft. Bar	N/A 53.46 lb	N/A 67.66 lb	N/A 83.53 lb	N/A 101.1 lb	N/A 120.3 lb

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