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Standard

TIN PLATING, IMMERSION

1991-10-01
HISTORICAL
AMS2409E
This specification covers the engineering requirements for producing a thin tin coating on aluminum alloys by an immersion process.
Standard

Plating, Brush, Cobalt

2011-04-19
HISTORICAL
AMS2451/11A
This specification covers the requirements for brush plating of cobalt by electrodeposition.
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.
Standard

TREATMENT OF SHEET METAL PARTS Corrosion-Resistant Steel

1992-04-01
HISTORICAL
AMS2550D
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.
Standard

Treatment of Sheet Metal Parts Corrosion-Resistant Steel

2014-07-31
HISTORICAL
AMS2550E
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.
Standard

Plating, Brush, Tin-Zinc Low Hydrogen Embrittlement

2002-01-24
HISTORICAL
AMS2451/10
This specification covers the engineering requirements and process for brush plating of tin-zinc by electrodeposition. It is used, in conjunction with AMS 2451, for corrosion-protective, tin-zinc deposits, which may allow omission of hydrogen embrittlement relief treatment of high-strength steels.
Standard

Plating, Brush, Zinc-Nickel Low Hydrogen Embrittlement

2002-01-24
HISTORICAL
AMS2451/9
This specification covers the engineering requirements and process for brush plating of zinc-nickel by electrodeposition. It is used, in conjunction with AMS 2451, for corrosion-protective, zinc-nickel deposits, which may allow omission of hydrogen embrittlement relief treatment of high-strength steel.
Standard

Plating, Brush, Nickel Low Stress, Low-Hardness Deposit

1998-07-01
HISTORICAL
AMS2451/3
This specification covers the engineering requirements and process controls for selective plating of low-hardness, low-stress nickel by electrodeposition. It should be used, in conjunction with AMS 2451, for heat-resistant and corrosion-resistant nickel deposits.
Standard

Hydrogen Embrittlement Relief (Baking) of Steel Parts

2003-04-30
HISTORICAL
AMS2759/9B
This specification covers the requirements for embrittlement relief (baking) of heat treated steel parts to remove hydrogen infused during plating and other chemical processing (e.g., stripping, chemical milling, pickling, and etching).
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