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Standard

Steel Bars, Forgings, and Tubing, Nitriding, 1.4Cr - 1.2Mo - 0.3V (0.29 - 0.36C), Double Vacuum Melted, Premium Aircraft-Quality for Bearing Applications

2023-09-12

WIP

AMS6498C

This specification covers a nitriding grade of premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock. AMS6496 and AMS6497 cover UNS K23280 with other quality levels.

Standard

Steel Bars, Forgings, and Tubing, Nitriding, 1.4Cr - 1.2Mo - 0.3V (0.29 - 0.36C), Aircraft-Quality for Bearing Applications

2023-09-12

WIP

AMS6496C

This specification covers a nitriding grade of aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock. AMS6497 and AMS6498 cover UNS K23280 having other quality levels.

Standard

Steel Tubing, Seamless, 0.95Cr - 0.20Mo (0.28 - 0.33C) (SAE 4130), 125 ksi (862 MPa) Tensile Strength

2023-09-12

WIP

AMS6361H

This specification covers an aircraft-quality, low-alloy steel in the form of round, seamless tubing having a wall thickness not greater than 0.188 inch (4.78 mm).

Standard

Carbon Steel, Wire, Spring Quality Music Wire, 0.70 - 1.00C, Cold Drawn

2023-09-12

WIP

AMS5112P

This specification covers a carbon steel in the form of wire supplied as coils, spools, or cut lengths (see 8.2).

Standard

Manufacturing Sequence for Fabrication of High-Strength Steel Parts 300M or 4340 Modified Low-Alloy Steels 270,000 psi (1860 MPa) Tensile Strength and Higher

2023-09-12

WIP

ARP1631B

This document establishes the requirements for the sequencing of processes relating to parts fabricated from 300M or 4340 modified steel heat treated to, or to be heat treated to, 270,000 psi (1860 MPa) minimum ultimate tensile strength (UTS) and higher.

Standard

Tolerances, Low-Alloy Steel Bars

2023-09-12

WIP

AMS2251K

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

Standard

Steel Tubing, Seamless, 0.95Cr - 0.20Mo (0.28 - 0.33C) (SAE 4130), 150 ksi (1034 MPa) Tensile Strength

2023-09-12

WIP

AMS6362J

This specification covers an aircraft-quality, low-alloy steel in the form of round, seamless tubing having a wall thickness not greater than 0.188 inch (4.78 mm).

Standard

Steel Tubing, Seamless 0.31 - 0.38C (SAE 1035) Stress Relieved

2023-08-30

CURRENT

AMS5082J

This specification covers a carbon steel in the form of seamless tubing up through 1.500 inches (38.10 mm), inclusive, outer diameter.

Standard

Steel, Bars, Forgings, Mechanical Tubing and Forging Stock Aircraft Quality 0.78Cr - 1.8Ni - 0.35Mo - 0.20V (0.32 - 0.38C) (4335 Mod)

2023-08-30

CURRENT

AMS6428M

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 1.8Ni - 0.80Cr - 0.25Mo (0.38 - 0.43C) (SAE 4340) Vacuum Consumable Electrode Remelted

2023-08-30

CURRENT

AMS6454G

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

Standard

Heat Treatment of Steel Parts General Requirements

2023-08-03

WIP

AMS2759H

This specification establishes general requirements for the processes listed in 3.8.1 for heat treatment of steel parts (see 8.2.1) by users or their vendors or subcontractors.

Standard

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

2023-07-24

CURRENT

AMS6411K

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

Standard

Steel, Bars, Forgings, and Forging Stock, Carburizing 1.8Ni - 0.25Mo (0.11 - 0.17C) (SAE 4615)

2023-05-22

CURRENT

AMS6290L

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

Standard

Steel, Bars, Wire, and Forgings 8V - 4Cr - 4W - 3Mo (2.45 - 2.55C) Powder Metallurgy Product Hot Isostatically Pressed

2023-05-16

CURRENT

AMS6556A

This specification covers a premium aircraft-quality, high-alloy steel gas-atomized and HIP-consolidated in the form of bars, wire, forgings, and forging stock.

Standard

Steel, Bars, Wire, and Forgings 9.75V - 5.25Cr - 1.3Mo (2.40 - 2.55C) Powder Metallurgy Product Hot Isostatically Pressed

2023-05-16

CURRENT

AMS6559A

This specification covers a premium aircraft-quality, high-alloy tool steel gas-atomized and HIP-consolidated in the form of bars, wire, forgings, and forging stock.

Standard

Steel, Bars, Wire, and Forgings 10.5Mo - 6W - 3.75Cr - 2V (1.25 - 1.40C) Powder Metallurgy Product Hot Isostatically Pressed

2023-05-16

CURRENT

AMS6558A

This specification covers a premium aircraft-quality, high-alloy steel gas-atomized and HIP-consolidated in the form of bars, wire, forgings, and forging stock.

Standard

Steel Bars, Wire, and Forgings 10Co - 7Mo - 6V - 6W - 4Cr (2.2 - 2.4C) Premium Aircraft-Quality for Bearing Applications Inert Gas Atomized and Hot Isostatically Pressed Consolidated

2023-05-16

CURRENT

AMS6560A

This specification covers a premium aircraft-quality, high-alloy steel gas-atomized and HIP-consolidated in the form of bars, wire, forgings, and forging stock.

Standard

Steel, Bars, Wire, and Forgings 9V - 5.25Cr - 1.3Mo (1.80 - 1.95C) Powder Metallurgy Product Hot Isostatically Pressed

2023-05-16

CURRENT

AMS6557A

This specification covers a premium aircraft-quality, high-alloy tool steel gas-atomized and HIP consolidated in the form of bars, wire, forgings, and forging stock.

Standard

Steel, Plate 2.0Cr - 10Ni - 8.0Co - 1.0Mo (0.10 - 0.14C) (HY-180) Double Vacuum Melted, Solution Heat Treated

2023-05-10

CURRENT

AMS6544F

This specification covers a maraging steel in the form of rolled or forged plate 0.375 inches through 8.000 inches (9.52 mm through 203.20 mm).

Standard

Wire, Steel Welding 18.5Ni - 8.5Co - 5.2Mo - 0.72Ti - 0.10Al (Marage 300) Vacuum Melted, Environment Controlled Packaging

2023-05-01

CURRENT

AMS6463G

This specification covers a maraging steel in the form of welding wire.