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A-286       SPEC SHEET

A-286 alloy is an age-hardenable iron base superalloy for applications requiring high strength from -320°F up to 1000°F long time, 1300-1500°F short time. Oxidation resistance is high for continuous service to 1500°F, intermittent to 1800°F. Aqueous corrosion resistance is comparable to 316/316L stainless. Heat treatment according to AMS 5525 requires a solution anneal at 1800°F, air cool. Age at 1325°F for 16 hours and then air cool.

Chemical Composition, %

 

 

Cr

Ni

Mo

Co

Va

Al

Ti

B

C

Fe

Mn

Si

P

S

MIN

13.5

24.0

1.0

-

0.1

-

1.9

0.003

-

-

-

-

-

-

MAX

16.0

27.0

1.5

1.0

0.5

0.35

2.35

0.01

0.08

Balance

2.0

1.0

0.025

0.025

 

Specifications


UNS: S66286 W. Nr./EN: 1.4980 AMS: 5525, 5732, 5737, 5804 GE: B50T1181, B50T12, B50T81

 

ASTM A 453

AMS

Anneal

Aging Treatment

Yield Strength, Min

Tensile Strength, Min

Grade 660 Class B

5732

1800°F

1300-1400°F, 16 hours

85 ksi

130 ksi

Grade 660 Class A

5737

1650°F

1300-1400°F, 16 hours

95 ksi

140 ksi

 

Common Trade Names

A286 Stainless, A286 Alloy

 



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