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Standard

Steel Bars, Forgings, and Mechanical Tubing and Forging Stock, Carburizing, Aircraft Quality, 0.50Cr - 1.8Ni - 0.25Mo - (0.17 - 0.23C), (SAE 4320H)

2024-04-01

AMS6299H

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

Standard

Steel Bars, Forgings, Mechanical Tubing, and Forging Stock, Aircraft Quality, 0.88Cr - 1.8Ni - 0.42Mo - 0.08V (0.28 - 0.33C) (4330 Mod)

2023-10-20

AMS6427P

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

Standard

Steel, Bars, Forgings, Rings, and Stock for Forging or Flash Welded Rings Aircraft Quality 0.95Cr - 0.20Mo (0.38 - 0.43C) (4140) Annealed

2023-10-20

AMS6382S

This specification covers an aircraft-quality, low-alloy steel in the form of bars, forgings, flash-welded rings, and stock for forging or flash-welded rings.

Standard

Steel Strip 0.68 - 0.80C (SAE 1074)

2023-03-20

AMS5120P

This specification covers a carbon steel in the form of strip.

Standard

Steel, Spring Wire 0.95Cr - 0.22V (0.48 - 0.53C) (SAE 6150) Annealed and Cold Drawn

2022-11-02

AMS6450L

This specification covers a low-alloy steel in the form of wire supplied as coils, spools, and straight lengths.

Standard

Steel, Mechanical Tubing 0.95Cr - 0.20Mo (0.33 - 0.38C) (SAE 4135)

2022-10-04

AMS6372P

This specification covers an aircraft-quality, low-alloy steel in the form of mechanical tubing.

Standard

Steel, Mechanical Tubing 0.95Cr - 0.20Mo (0.28 - 0.33C) (SAE 4130)

2022-10-04

AMS6371M

This specification covers an aircraft-quality, low-alloy steel in the form of mechanical tubing.

Standard

Control of Forgings Requiring First Article Approval

2022-09-23

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

Steel, Maraging, Investment Castings 17Ni - 10Co - 4.6Mo - 0.30Ti - 0.06Al Vacuum Melted Homogenized, Overaged, and Solution Heat Treated

2022-06-02

AMS5339H

This specification covers an alloy steel in the form of investment castings.

Standard

Steel Bars, Forgings, Mechanical Tubing and Forging Stock 0.65Cr - 1.25Ni (0.33 - 0.38C)

2022-04-14

AMS6330K

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

Standard

Steel, Sheet, Strip, and Plate, 0.75Mn - 0.78Cr - 1.8Ni - 0.35Mo - 0.20V (0.33 - 0.38C) (4335 Mod), Vacuum Consumable Electrode Melted, Annealed

2022-04-13

AMS6435H

This specification covers a premium aircraft-quality, low-alloy steel in the form of sheet, strip, and plate.

Standard

Steel, Bars, Forgings, Mechanical Tubing, Rings, and Stock for Forgings and Rings 1.0Cr - 7.5Ni - 4.5Co - 1.0Mo - 0.09V (0.29 - 0.34C) Consumable Electrode Vacuum Remelted, Annealed

2022-03-02

AMS6526J

This specification covers a premium aircraft-quality, high-strength, low-alloy steel in the form of bars, forgings, mechanical tubing, flash welded rings, and stock for forging or flash welded rings.

Standard

Steel, Maraging, Bars, Forgings, Mechanical Tubing, Rings and Forging Stock 18.5Ni - 9.0Co - 4.9Mo - 0.65Ti - 0.10Al Consumable Electrode Vacuum Melted, Annealed

2022-02-23

AMS6514K

This specification covers a premium aircraft-quality steel in the form of bars, forgings, mechanical tubing, flash welded rings up through 10.000 inches (254.00 mm) inclusive in diameter or least distance between parallel sides, and stock of any size for forging or flash welded rings.

Standard

Steel, Bars 0.90 - 1.03C

2022-01-28

AMS5132M

This specification covers a high-carbon steel in the form of bars.

Standard

Steel Sheet, Strip, and Plate 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.42 - 0.48C) (D6AC) Consumable Electrode Vacuum Melted, Annealed

2021-12-01

AMS6439F

This specification covers a premium-aircraft-quality, low-alloy steel in the form of sheet, strip, and plate.

Standard

Steel, Bars, Forgings, and Forging Stock 5.0Cr - 1.3Mo - 0.50V (0.38 - 0.43C) (H-11) Consumable Electrode Vacuum Re-Melted

2021-11-23

AMS6487M

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

Standard

Steel, Bars, Forgings, and Tubing 1.2Cr - 2.0Ni - 0.45Mo (0.27 - 0.33C)

2021-10-22

AMS6407L

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

Standard

Steel, Bars, Forgings, Mechanical Tubing and Forging Stock 1.2Cr - 3.25Ni - 0.12Mo (0.07 - 0.13C) (9310) Vacuum Consumable Electrode Remelted

2021-10-22

AMS6265R

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

Standard

Tolerances Low-Alloy Steel Sheet, Strip, and Plate

2021-09-29

AMS2252E

This specification covers established inch/pound manufacturing tolerances applicable to low-alloy steel sheet, strip, and plate ordered to inch/pound dimensions. These tolerances apply to all conditions unless otherwise noted. The term “excl” is used to apply only to the higher figure of the specified range.

Standard

Steel, Bars and Forgings 0.18 - 0.23C (SAE 1022)

2020-10-19

AMS5070K

This specification covers a carbon steel in the form of bars up through 3.000 inches (76.2 mm), forgings, and forging stock.