4140 Steel Round Bar Stock

4140 Alloy is the most common steel for general purpose use due to its use of chromium and molybdenum.

4140 Round Bar

4140 Alloy is the most common steel for general purpose use due to its use of chromium and molybdenum.

It’s a strong, durable steel with a versatile composition that also resists corrosion. The 4140 alloy steel specification is typically used in automotive, agricultural, construction and heavy equipment industries.

Maintaining a high level of performance in heavy-duty equipment and machinery is all about having a tough steel alloy that’s made to last. 4140 Alloy Round Bar Stock specification is a chromium molybdenum alloy steel that is ideal for any heavy-duty operations that require guaranteed durability.

O'Hare 4140 Steel 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 4140 Alloy bar stocks and 4140 Alloy Round Bar Stock in O’Hare!

Machinability & Welding

4140 is a medium carbon steel with a high strength. With the safe preparation, welding 4140 can be done quickly and easily. The same welding advice applies to other steels in this group, such as 4130 and 4340.

4140 Steel Applications

The 4140 steel round bar is often used for heavy-duty applications. It can be welded and machined to a high degree, and it can be hardened with heat treatment. This type of steel is very versatile, which means that it can be used in many different applications.

4140 round bar is a versatile, high-strength alloy that can be used in a variety of ways. 4140 steel is an alloy that has been used for decades. It is a versatile, high-strength alloy that can be used in many different ways. The 4140 steel round bar is often used to create heavy-duty parts such as axles and shafts.

4140 steel is high quality and durable steel. It is structural grade steel that has excellent weldability and machinability. It is a high carbon, low alloy steel. 4140 round bar is non-heat-treated steel, which means that it has not been exposed to any type of heat treatment process after it has been poured into the mold.

4140 steel round bar is often used in the construction industry as well as in other heavy industries that require strength and durability. It is also used for parts where welding or brazing are required.

Shafts, conveyor pins & rolls, motor shafts, pinch bars, hydraulic machinery, nuts and crankshafts and gears are just some of the many applications of 4140 Alloy

Properties

Density: 

Melting point: 

Tensile strength: 

Hardness, Brinell: 

Yield strength: 

Elongation at break: 

Bulk modulus: 

Shear modulus: 

Elastic modulus: 

Poisson’s ratio: 

0.284 lb/in³

2580°F

95000 psi

197

60200 psi

25.70%

20300 ksi

11600 ksi

27557-30458 ksi

0.27-0.30

Chemical Properties

Iron 

Carbon 

Chromium 

Silicon 

Molybdenum

Manganese 

Phosphorous 

96.785 – 97.77

0.380 – 0.430

0.80 – 1.10

0.15 – 0.30

0.15 – 0.25

0.75 – 1.0

0.035

Buy 4140 Steel Round Bar

4140 steel is high-strength, low-alloy steel. It is common structural steel with good mechanical properties and can be easily welded. 4140 Steel Round Bar is an alloy of chromium, nickel, manganese, silicon, molybdenum, and vanadium with great ultimate tensile strength and yield strength. The 4140 steel bar has been used for heavy-duty axles, gears in truck transmissions, and heavy-duty crankshafts for diesel engines.

4140 steel is a versatile and structural grade of steel that is often used in applications that require high strength and toughness. One of the most common applications for 4140 steel bar supplies is in the manufacture of gears.

There are many reasons to buy a 4140 round bar. It has high strength, it’s tough, and it can be machined at a variety of speeds. Also, 4140 steel is a type of steel that has been used for many years in the production of structural shapes. It’s not as tough or as hard as some other types of steel, but it’s also not as expensive.

O’Hare’s 4140 Steel Bar

O’Hare Precision Metals has been in the business of supplying 4140 round bar stocks for many years. We are one of the leading suppliers of 4140 steel bar stocks in the country.

Do you have questions about 4140 Alloy. Just contact our highly skilled personnel in O’Hare Precision Metals. They are dedicated to providing smooth-flow service.

Request a quote for 4140 Alloy bar stocks and 4140 Alloy round bar stocks now!