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Steel, Maraging, Bars, Forgings, Mechanical Tubing, Rings, and Stock for Forgings and Rings, 18.5Ni - 12.0Co - 4.9Mo - 1.40Ti - 0.10Al, Premium Aircraft Quality, Double Vacuum Melted, Annealed (Maraging 350)

2023-11-10
CURRENT
AMS6515C
This specification covers a premium aircraft-quality steel in the form of bars, forgings, mechanical tubing, and flash-welded rings up to 5.000 inches (127.00 mm), inclusive, in diameter or least distance between parallel sides, and stock of any size for forging or flash-welded rings.
Standard

Control of Forgings Requiring First Article Approval

2022-09-23
CURRENT
AMS2375F
This specification covers procedures for obtaining first-article (preproduction) approval of forgings and the controls to be exercised in producing subsequent production forgings.
Standard

Low Stress Grinding of Steel Parts Heat Treated to 180 ksi or Over, and Low Stress Grinding of Chrome Plating Applied to Steel Parts Heat Treated to 180 ksi or Over

2022-09-08
CURRENT
AMS2453A
The purpose of this specification is to establish requirements of a grinding method and to provide grinding parameters that will eliminate or minimize overheating, cracking, high residual tensile stresses, and/or other metallurgical changes that decrease structural integrity of steel parts or chrome plated steel parts (see 8.3). This standard establishes requirements for low stress grinding of martensitic high strength steel heat-treated to 180 ksi (1241 MPa) minimum ultimate tensile strength (UTS) and above, and requirements for low stress grinding of chromium plating applied to such high strength steel.
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