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Metals Bolts AMS AMEC Aerospace Metals and Engineering Committee

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Standard

Gaseous Nitrocarburizing
2024-03-12
WIP
AMECAMS2759/13
This specification covers the engineering requirements for gaseous nitrocarburizing.
Standard

Heat Treatment of Wrought Aluminum Alloy Parts
2023-12-11
WIP
AMECAMS2770
This specification specifies the engineering requirements for heat treatment, by part fabricators (users) or their vendors or subcontractors, of parts (see 8.6.1). It also covers heat treatment by warehouses or distributors converting raw material from one temper to another temper (see 1.3 and 8.5). It covers the following aluminum alloys:
Standard

Heat Treatment of Steel Parts General Requirements,
2023-09-22
WIP
AMECAMS2759
This specification establishes general requirements for the processes listed in Table 13.8.1 for heat treatment of steel parts (see 8.2.1) by users or their vendors or subcontractors.
Standard

Salts, Heat-Treating (For Metals)
2023-08-31
WIP
AMECAMS2821A
This specification covers the procurement of granular heat-treating salts suitable for use in the molten state.
Standard

Ion Nitriding
2023-05-12
WIP
AMECAMS2759/8
5 year review and update
Standard

Pyrometry
2023-05-01
WIP
AMECAMS2750
2 year review and update
Standard

Gas Nitriding of Low-Alloy Steel Parts
2022-12-12
WIP
AMECAMS2759/6
This document specifies the procedure and requirements for gas nitriding low-alloy and tool steels by the use of raw or dissociated ammonia. Additional alloys and steel families (e.g., stainless steels) can also be nitrided using parameters acceptable to the cognizant engineering organization.
Standard

Gaseous Nitrocarburizing
2022-10-24
WIP
AMECAMS2759/12
This specification covers the engineering requirements for producing a continuous thin epsilon-iron-carbonitride compound layer on parts by means of a gaseous, low temperature carbon enriched nitriding process. The process is intended to utilize an atmosphere of high nitriding potential that produces a compound layer. If the compound layer is intended to be controlled automatically, AMS2759/12 shall be used.
Standard

Hydrogen Embrittlement Relief (Baking) of Steel Parts
2022-10-03
WIP
AMECAMS2759/9
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

Stress Relief of Steel Parts
2022-09-22
WIP
AMECAMS2759/11
This specification, in conjunction with the general requirements for steel heat treatment in AMS2759, establishes requirements for thermal stress relief treatments of parts manufactured from the following materials:
Standard

Pyrometry for Hot Isostatic Pressing
2022-07-22
WIP
AMECAMS2750/2
This specification provides establishes pyrometry exceptions and additions for HIP equipment to those identified in AMS2750.
Standard

Pyrometer for Nonmetallic Processing
2022-02-02
WIP
AMECAMS2750/1
This specification, in conjunction with AMS2750, covers pyrometric requirements for equipment used for the thermal processing of nonmetallic products. Specifically, it covers temperature sensors, instrumentation, thermal processing equipment, correction factors and instrument offsets, system accuracy tests, and temperature uniformity surveys. These are necessary to ensure that products are cured or formed in accordance with the applicable specification(s). This specification also covers pressure or vacuum requirements for thermal processing equipment.
Standard

Heat Up Time
2012-05-09
CURRENT
AIR4279A
An analysis was made of the effects of various surface conditions on the heat up time of steel bars which are heated in atmosphere furnaces to the temperature range used for steel hardening or normalizing. The purpose was to examine whether a standard heating time for a given section thickness is acceptable.
Standard

Aus-Bay Quenching of 300M Steel
2012-05-09
CURRENT
AIR4498A
The objective of this program is to compare the properties of aus-bay quenched 300M steel with the properties of 300M steel oil quenched in the conventional manner.
Standard

Influence of Grain Flow on Bolt Integrity
2012-05-09
CURRENT
AIR5065A
Performed tensile and fatigue tests on bolts to determine if cutting of materials flow lines at the bolt underhead would degrade bolt integrity. Five different alloys used in aerospace industry fatigue critical applications were employed to fabricate 5/16 to 1/2 inch diameter bolts. These bolts were machined from bar stock producing fully cut material flow lines under their heads. Tensile testing with and without underhead washers was performed along with industry standard fatigue testing.
Standard

Influence of Grain Flow on Bolt Integrity
1999-08-01
HISTORICAL
AIR5065
Performed tensile and fatigue tests on bolts to determine if cutting of materials flow lines at the bolt underhead would degrade bolt integrity. Five different alloys used in aerospace industry fatigue critical applications were employed to fabricate 5/16 to 1/2 inch diameter bolts. These bolts were machined from bar stock producing fully cut material flow lines under their heads. Tensile testing with and without underhead washers was performed along with industry standard fatigue testing.
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