AMS6491B: Steel Bars, Forgings, and Tubing 4.1cr 4.2mo 1.0v(0.80-0.85c) Premium Aircraft-Quality for Bearing Applications, Double Vacuum Melted - SAE International
Browse Standards AMS6491B
Historical REVISED 2000-02-01

Steel Bars, Forgings, and Tubing 4.1cr 4.2mo 1.0v(0.80-0.85c) Premium Aircraft-Quality for Bearing Applications, Double Vacuum Melted AMS6491B

This specification covers a premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.

These products have been used typically for parts, such as bearings, operating under heavy loads and high speeds at moderate temperatures and subject to very rigid inspection standards, but usage is not limited to such applications.

AMS6491E
2014-05-19
Latest
Revised
AMS6491D
2010-05-17
Historical
Revised
AMS6491C
2005-08-31
Historical
Revised
AMS6491B
2000-02-01
Historical
Revised
AMS6491A
1994-04-01
Historical
Reaffirmed
AMS6491
1976-01-15
Historical
Issued

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Access SAE MOBILUS »

Members save up to 18% off list price.
Login to see discount.
Special Offer: Purchase more aerospace standards and aerospace material specifications and save! AeroPaks offer a customized subscription plan that lets you pay for just the documents that you need, when you need them.

Get Involved

Want to participate in updating this standard?

X