AMS 5544 Waspaloy Alloy Sheet
Waspaloy is a nickel-based superalloy, a precipitation-hardened alloy designed for high-temperature applications, commonly used in aerospace and gas turbines due to its strength and corrosion resistance.
AMS 5544 is a specification for Waspaloy alloy. The specification covers corrosion and heat-resistant nickel alloy in sheet, strip, and plate.
AMS 5544 Waspaloy Alloy Sheet is a nickel-based age hardenable alloy with high temperature strength and good corrosion resistance, especially to oxidation. Waspaloy Alloy can be used at temperatures up to 650°C (1200°F), critical for rotating applications.
AMS 5544 Waspaloy Alloy Sheet Heat Treatment is as follows
Annealing 1975°F / 30 mins and Air Cool
Solution Heat Treatment 1825°F / 2hrs and Air Cool
Stabilization Heat Treatment 1550°F /4hrs and Air Cool
Precipitation Heat Treatment 1400°F / 16 hrs and Air Cool
Chemical Composition
|
Element |
Min % |
Max % |
|
C |
0.02 |
0.10 |
|
Mn |
– |
0.10 |
|
Si |
– |
0.10 |
|
P |
– |
0.010 |
|
S |
– |
0.010 |
|
Cr |
18.00 |
21.00 |
|
Co |
12.00 |
15.00 |
|
Mo |
3.50 |
5.00 |
|
Ti |
2.75 |
3.50 |
|
Al |
1.20 |
1.60 |
|
B |
0.003 |
0.010 |
|
Zr |
– |
0.04 |
|
Fe |
– |
2.00 |
|
Cu |
– |
0.10 |
|
Ni |
bal |
bal |
Mechanical Properties
|
Material |
Condtion |
Thickness |
Temp |
Tensile Strength ksi |
Yield Strength ksi |
Elongation in 4D |
Hardness HRC |
|
Sheet |
Sol Treated, Stabilization + Precipitation HT |
0-0.020" |
Room |
170 |
110 |
15 |
34-44 |
|
Sheet |
Sol Treated, Stabilization + Precipitation HT |
0-0.020" |
1000°F |
145 |
100 |
13 |
|
|
Sheet |
Sol Treated, Stabilization + Precipitation HT |
over 0.020" |
Room |
175 |
115 |
20 |
34-44 |
|
Sheet |
Sol Treated, Stabilization + Precipitation HT |
over 0.020" |
1000°F |
150 |
105 |
15 |
Common Problem
-
Processing & Heat Treatment
Manufacturing: Hot/cold rolled into sheets, followed by:
Solution Treatment: ~1800°F (982°C), rapid cooling.
Aging: ~1400°F (760°C) for 4-8 hours to precipitate gamma prime phase.
Fabrication: Requires specialized welding (TIG/GTAW) with post-weld heat treatment. Machining is challenging due to hardness; carbide tools are recommended.
-
Applications
Aerospace: Turbine blades, discs, seals, fasteners, combustion chambers.
Industrial: Gas turbine components, high-temperature fasteners, nuclear reactors.
-
Standards & Testing
Compliance: AMS 5544 (latest revision checked), ASTM B637, SAE standards.
Testing: Tensile, hardness, stress rupture, microstructure analysis (gamma prime distribution), NDT (ultrasonic for defects).
Manufacturing Process

Main Applications

Packaging & Shipping


FAQS
If you have any other questions, please contact me!
Q: Can you produce nickel alloy bars?
A: Yes, we can produce nickel alloy bars according to your requirements.
Q: What is your minimum order quantity?
A: Our minimum order quantity is 50 kg. Larger quantity, lower price.
Q: How long is your delivery time?
A: Generally delivery time for stock is 3 days, and customization takes 15 working days or more, but it is also affected by your specific requirements or order quantity.
Q: Can you provide samples?
A: For small parts, we can provide free sample of regular sizes, but the shipping costs will be borne by you. For large parts sample, we will include it in the order amount. Please confirm with our sales department for your specific requirements.
Q: How can l quickly get the price list?
A: Directly send us email with detailed specification, and you will get the official price list in 1 hour.
Q: How do you control product quality?
A: From the selection of raw materials to transportation packaging, every production process will be testing and evaluated. Only products that have passed all tests can be delivered for export.
Q: Can you provide processing services?
A: Yes, we also provide processing services to our customers. It is one of our goals to provide specialized services such as bending, water cutting, laser cutting, digging holes, welding, slitting of coils, and other fabrications according to the drawings.
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