Waspaloy Nickel-Chromium-Cobalt-Molybdenum-Titanium Alloy Steel

Table of Contents

Overview of Waspaloy Nickel-Chromium-Cobalt-Molybdenum-Titanium Alloy Steel

Waspaloy is a superalloy that’s renowned for its exceptional strength and ability to withstand extreme temperatures. Comprising nickel, chromium, cobalt, molybdenum, and titanium, this high-performance alloy is essential in industries where both high temperature and corrosion resistance are crucial. In this comprehensive guide, we will delve into the intricate details of Waspaloy, exploring its chemical composition, applications, mechanical properties, heat treatment processes, suppliers, and pricing. Whether you’re an engineer, a procurement specialist, or simply curious about advanced materials, this guide is tailored to provide in-depth knowledge in an engaging and easy-to-understand manner.

Waspaloy Nickel-Chromium-Cobalt-Molybdenum-Titanium Alloy Steel

Chemical Composition of Waspaloy Nickel-Chromium-Cobalt-Molybdenum-Titanium Alloy Steel

The strength and durability of Waspaloy are primarily due to its unique chemical composition. Let’s break down the elements that make up this superalloy.

ElementPercentage (%)
Nickel (Ni)58 – 61
Chromium (Cr)18 – 21
Cobalt (Co)12 – 15
Molybdenum (Mo)3.5 – 5
Titanium (Ti)2.75 – 3.25
Aluminum (Al)1.2 – 1.6
Boron (B)0.003 – 0.01
Zirconium (Zr)0.03 – 0.08
Carbon (C)0.02 – 0.1
Iron (Fe)2.0 max
Silicon (Si)0.75 max
Manganese (Mn)0.10 max

This precise blend of elements gives Waspaloy its remarkable properties, making it indispensable in high-stress, high-temperature environments.

Applications of Waspaloy Nickel-Chromium-Cobalt-Molybdenum-Titanium Alloy Steel

Waspaloy is used across various industries, particularly where high thermal stability and corrosion resistance are required.

IndustryApplications
AerospaceGas turbine engines, jet engine components, rocket engine parts
Power GenerationTurbine blades, exhaust systems, combustion chambers
AutomotiveTurbocharger components, high-performance engine parts
Chemical ProcessingHeat exchangers, reactors, pressure vessels
Oil and GasDrilling equipment, high-temperature seals, valves

Waspaloy’s ability to maintain its mechanical properties at elevated temperatures makes it a go-to material in these demanding applications.

Mechanical Properties of Waspaloy Nickel-Chromium-Cobalt-Molybdenum-Titanium Alloy Steel

The mechanical properties of Waspaloy are what make it stand out in the world of superalloys.

PropertyValue
Density8.2 g/cm³
Melting Point1320 – 1390°C (2408 – 2534°F)
Tensile Strength965 MPa (140 ksi)
Yield Strength725 MPa (105 ksi)
Elongation18%
Hardness (Brinell)375 HB
Modulus of Elasticity200 GPa (29 x 10⁶ psi)

These properties ensure that Waspaloy components can endure severe stress and high temperatures without compromising performance.

Heat Treatment of Waspaloy Nickel-Chromium-Cobalt-Molybdenum-Titanium Alloy Steel

Heat treatment is a critical process in enhancing the performance of Waspaloy.

Heat Treatment ProcessTemperature Range (°C)DurationCooling Method
Solution Treatment1040 – 10804 hoursAir cool
Aging Treatment (Step 1)84524 hoursAir cool
Aging Treatment (Step 2)76016 hoursAir cool

Proper heat treatment can significantly improve the mechanical properties, making the alloy even more robust for high-temperature applications.

Suppliers and Pricing Details for Waspaloy Nickel-Chromium-Cobalt-Molybdenum-Titanium Alloy Steel

The availability and pricing of Waspaloy can vary depending on the supplier and market conditions.

SupplierLocationPrice Range ($/kg)Contact Information
Allegheny TechnologiesUSA$100 – $150www.atimetals.com
Special Metals CorporationUSA$120 – $160www.specialmetals.com
VDM MetalsGermany$110 – $140www.vdm-metals.com
Haynes InternationalUSA$115 – $155www.haynesintl.com
Carpenter TechnologyUSA$105 – $145www.cartech.com

It’s important to contact suppliers directly for the most accurate and current pricing information.

Advantages and Disadvantages of Waspaloy Compared to Other Superalloys

Waspaloy has its pros and cons, especially when compared to other superalloys.

AdvantagesDisadvantages
High strength at elevated temperaturesExpensive compared to other alloys
Excellent oxidation and corrosion resistanceDifficult to machine
Good creep resistanceLimited ductility at room temperature
Long service life in harsh environmentsRequires precise heat treatment

Understanding these trade-offs is crucial for making informed decisions about material selection in various engineering applications.

Waspaloy Nickel-Chromium-Cobalt-Molybdenum-Titanium Alloy Steel

FAQ

What is Waspaloy used for?

Waspaloy is primarily used in aerospace and power generation applications due to its high temperature and corrosion resistance.

How does Waspaloy compare to Inconel?

Waspaloy generally offers better high-temperature strength and oxidation resistance compared to Inconel, though it is more challenging to machine and more expensive.

What are the main elements in Waspaloy?

The main elements in Waspaloy are nickel, chromium, cobalt, molybdenum, and titanium.

Can Waspaloy be welded?

Yes, Waspaloy can be welded, but it requires specific techniques and post-weld heat treatment to ensure the integrity of the welds.

Why is Waspaloy so expensive?

Waspaloy’s high cost is due to its complex manufacturing process and the expensive raw materials required to produce it.

Conclusion

Waspaloy Nickel-Chromium-Cobalt-Molybdenum-Titanium Alloy Steel is a marvel of modern engineering materials. Its exceptional properties make it indispensable in high-stress, high-temperature applications. Whether you’re designing jet engines, power generation turbines, or high-performance automotive components, understanding Waspaloy’s characteristics and applications can guide you to make the best material choice for your needs. Its complexity, while challenging, opens doors to innovations that push the boundaries of technology.

For those in the engineering and materials science fields, keeping up-to-date with materials like Waspaloy is crucial. It’s a fascinating alloy that exemplifies the heights of metallurgical advancements, balancing strength, durability, and resistance to extreme environments. Dive into Waspaloy, and you’ll discover the intricate dance of elements that keep our modern world moving and evolving.

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