SAE AMS6278 Rev G

Current Revision
Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock, 4.1Cr - 3.4Ni - 4.2Mo - 1.2V (0.11 - 0.15C) (M50 NIL), Premium Aircraft-Quality for Bearing Applications, Double Vacuum Melted

Best Price Guarantee Published: Jul 13, 2026 en - English 10 Pages

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Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock, 4.1Cr - 3.4Ni - 4.2Mo - 1.2V (0.11 - 0.15C) (M50 NIL), Premium Aircraft-Quality for Bearing Applications, Double Vacuum Melted

PUBLISH DATE 2026

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

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