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Standard

Residual Stress Measurement and Classification, Metallic Structural Alloy Products and Finished Parts
2023-05-22
CURRENT
AS7045
The purpose of this standard is to provide uniform methods for defining, quantifying, and classifying the residual stress in metallic structural alloy products and finished parts. These stresses may exist within a single element, or they may be the result of a joining process. Such quantification and classification may be required when residual stresses within mill stock or preforms can impact further in-process distortion during machining or other processes, and when residual stresses within finished components can impact final mechanical properties and performance (especially strength, durability, and fracture performance).
Standard

In-Process Welding of Castings
2022-09-15
WIP
AMS2694D
This specification defines the requirements for in-process correction of foundry discontinuities by manual welding of castings.
Standard

Carburizing and Heat Treatment of Carburizing Grade Steel Parts
2021-09-15
CURRENT
AMS2759/7E
This specification, in conjunction with the general requirements for steel heat treatment covered in AMS2759, establishes the requirements and procedures for three classes of gas, vacuum, liquid, and low pressure (LPC) carburizing and related heat treatment of parts fabricated from carburizing grade steels. Parts made from steels other than those specified in the detail specifications may be heat treated in accordance with the applicable requirements using processing temperatures, times, and other parameters recommended by the material producer unless otherwise specified by the purchaser. This specification does not cover pack carburizing.
Standard

Application of Tungsten Carbide Coatings on Ultra High Strength Steels High Velocity Oxygen / Fuel Process
2020-12-10
CURRENT
AMS2448C
This specification covers engineering requirements for applying tungsten carbide thermal spray coatings to ultra-high strength steels (220 ksi and above) utilizing high velocity oxygen fuel (HVOF) combustion driven processes and the properties for such coatings. The processes and procedures herein apply only to the properties of the as-deposited coating.
Standard

Plating, Silver Copper Strike, Low Bake
2020-01-16
CURRENT
AMS2412L
This specification covers the requirements for silver deposited on metal parts with a copper strike between the basis metal and the silver deposit.
Standard

Metallic Whiskers
2019-10-17
CURRENT
AIR4129A
This AIR presents an abbreviated review of the metallurgical phenomena known as whiskers. It is not all encompassing; rather, it is intended to introduce the design engineer to the technical issues of metallic whiskers, their formation, and the potentially dangerous problems they can cause.
Standard

Flux, Aluminum Welding
2019-08-20
CURRENT
AMS3414F
This specification covers an aluminum welding flux in the form of powder.
Standard

Etch Inspection of High Strength Steel Parts
2019-07-15
CURRENT
AMS2649D
This specification establishes the requirements for etch inspection of steel parts to detect overheating (rehardening or overtempering) caused by abusive machining or grinding, or to detect localized discontinuous carburization.
Standard

Hydrogen Embrittlement Relief (Baking) of Steel Parts
2018-10-18
CURRENT
AMS2759/9E
This specification covers the requirements for embrittlement relief (baking) of heat treated steel parts to remove hydrogen infused during plating and certain other chemical processing such as stripping, chemical milling, pickling, and etching.
Standard

In-Process Welding of Castings
2018-08-23
CURRENT
AMS2694C
This specification defines the requirements for in-process correction of foundry discontinuities by manual welding of castings.
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