8740 Steel

8740 Alloy Steel Round Bar is used in a variety of applications where strength, hardness, and wear resistance are required in high quantities.

High Quality 8740 Steel Suppliers

The 8740 Alloy is a steel with many applications, most of which rely on high strength characteristics.

It’s extensively used as forged fasteners for machines, for example. You’ll want to use it for your high-stress projects that require durability and strength.

This alloy is used in a variety of applications where strength, hardness, and wear resistance are required in high quantities. It is commonly utilized in the manufacture of high-strength forged fasteners. In addition to having good hardenability and strength and toughness capabilities, Alloy 8740 has a nickel-chromium-molybdenum low-alloy steel composition.

O'Hare 8740 Alloy Steel Round Bar

O’Hare Precision Metals can provide a wide range of services for either company-supplied or customer-supplied components and materials. Just like how we can offer yo the best 8740 Alloy bar stocks and 8740 Alloy round bar stocks in O’Hare!

Machinability & Welding

Following the application of appropriate heat treatment, this grade of alloy is easily machined. At the same time, this steel can be welded using conventional fusion processes, but only after it has been hardened. Heat should be applied before and after the process.

8740 Steel Applications

Engine bolts, aircraft fasteners and piston rods are just some of the many applications of 8740 Alloy.

8740 alloy steel is a type of steel that has a very high yield strength and a relatively low amount of carbon. This makes it an ideal choice for products where the metal is subjected to high temperatures. 8740 steel is a type of steel that has the highest strength-to-weight ratio of any steel. It is used in a wide range of applications such as aerospace, automotive, and power generation industries. 8740 Alloy Steel is a type of high-strength steel that is commonly used in aircraft and automobiles.

The most common use of 8740 alloy steel is in construction, railway, and marine industries, as well as in the manufacture of industrial machines, tools, machine parts, and dies.

8740 alloy steel is widely used because it has excellent corrosion resistance properties that make it durable under harsh conditions.

It is a type of steel that contains 8% nickel, 0.7% chromium, 1% copper, and 2.2% molybdenum. 8740 steel is a superior alloy that provides more strength than conventional carbon steel while having less weight.

The main benefits of using 8740 alloy steel are:

– The strength-to-weight ratio is better compared to carbon steel

– 8740 steel can be used in applications where there is high stress and strain, like aerospace engineering.



Tensile strength:

Yield strength: 

Elastic modulus: 

Bulk modulus: 

Shear modulus:

Poisson’s ratio: 

0.284 lb/in³

101000 psi

60200 psi

27557-30458 ksi

20300 ksi

11600 ksi


Chemical Properties





Silicon :


Phosphorous : 












8740 Steel Suppliers

Looking for 8740 steel suppliers? 8740 Alloy Steel is one of the most widely used steels in the world and can be bought at reasonable prices from reputable suppliers. It is a popular choice among manufacturers because it offers good wear resistance and strength properties. It’s also resistant to corrosion and heat, making it perfect for a wide range of industrial applications.

O’Hare Precision Metals is one of the reliable 8740 steel suppliers with a wide variety of products for different industries like aerospace, automotive, and construction. Also, O’Hare Precision Metals is one of the most reliable 8740 steel suppliers. The company has been in business for years, and they have a strong reputation in the industry.

Do you have questions about 8740 Alloy. Just contact our highly skilled personnel in O’Hare Precision Metals. They are dedicated to providing smooth-flow service.  

Request a quote for 8740 Alloy bar stocks and 8740 Alloy round bar stocks now!