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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

Rotary Flap Peening of Metal Parts
2022-04-14
CURRENT
AMS2590C
This specification covers procedures and requirements for peening of metal parts with portable, bonded-shot, rotary flap assemblies in accordance with AS2592. The principles of rotary flap peening are similar to conventional shot peening, except conversion of arc height values using the magnetic test strip holder is required for intensity determination.
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

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

Rotary Flap Peening of Metal Parts
2019-01-04
HISTORICAL
AMS2590B
This specification covers procedures and requirements for peening of metal parts with portable, bonded-shot, rotary flap assemblies in accordance with AS2592. The principles of rotary flap peening are similar to conventional shot peening, except conversion of arc height values using the magnetic Almen test strip holder is required for intensity determination.
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.
Standard

Molybdenum Disulfide, Technical, Lubrication Grade
2017-09-22
CURRENT
AMSM7866B
This specification covers the requirements for procurement of one grade of powdered molybendum disulfide to be used in lubricants and greases for surfaces where boundary conditions exist.
Standard

Instrumental Methods of Determining Surface Cleanliness
2017-09-20
CURRENT
ARP4252B
This Aerospace Recommended Practice is intended as a guide toward standard practices for the determination of surface cleanliness that are applicable to field operation. Some of these methods can also be used to determine quality assurance that a surface has been properly prepared and maintained. The instrumental methods are: Wettability, Surface Potential Difference (SPD), Ellipsometry, and Optically Stimulated Electron Emission (OSEE). Each instrument is described with respect to measurement techniques, limitations, and advantages and types of available instruments. Elementary theoretical principles and examples of the use of each instrument are also given.
Standard

Treatment of Sheet Metal Parts Corrosion-Resistant Steel
2017-09-20
CURRENT
AMS2550F
This specification covers the engineering requirements for a treatment to provide enhanced corrosion resistance to sheet metal parts, such as brackets, spacers, and washers, fabricated from martensitic Corrosion-resistant steels, usually AMS 5504 or AMS 5508 and having hardness not higher than 40 HRC, or ferritic corrosion-resistant steels, usually AMS 5506. The treatment is not recommended for use on parts subject to impact in service.
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