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Item #:
90882019
4140 Alloy Steel Round Bar, Unpolished (Mill) Finish, Annealed, Cold Finish, ASTM A108, 1.75" Diameter, 24" Length, OnlineMetals
Item #:
90882019
USD 193
Price Details
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Imported from USA store
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Order now and get it around Sunday, August 09
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What Stands Out
High-Strength Material
Crafted from 4140 alloy steel, this round bar offers superior strength and durability, making it ideal for demanding applications in various industrial settings.
Precision Manufacturing
Cold finished and annealed, this round bar ensures precise dimensions and a refined surface, enhancing performance in machining and fabrication processes.
Versatile Applications
With its 0.5" diameter and 24" length, this alloy steel round bar is perfect for a variety of projects, including automotive and machinery components, catering to a wide range of engineering needs.
Product Details
| Item Thickness | 1.75 Inches (4.4 cm) |
| Item Shape | Round |
| Item Form | Rod |
| Material | Alloy Steel 4140/4142 |
| Grade Rating | 4140 |
| Specification Met | Astm A108 |
| Brand Name | Online Metals |
| Number of Items | 1 |
| Model Number | 113296 |
| Part Number | 14538 |
| Unit Count | 1.0 Count |
| Manufacturer | OnlineMetals |
| Brand | Online Metals |
| Shape | Round |
| Item Weight | 5 lbs (2.27 kg) |
Who Should Buy?
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Machinists
Ideal for machinists needing precision components in various applications due to its excellent machinability and strength.
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Manufacturers
Suitable for manufacturers producing parts that require durability and resistance to wear and deformation under stress.
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Hobbyists
Great for hobbyists engaging in metalworking projects, where a strong yet manageable steel is essential for crafting.
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Corrosion-Prone Environments
Not suitable for applications in corrosive environments, as it lacks protective coatings to prevent rust.
Product Description
4140 Alloy Steel Round Bar, Unpolished (Mill) Finish, Annealed, Cold Finish, ASTM A108, 1.75" Diameter, 24" Length, OnlineMetals
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are the key properties of 4140 Alloy Steel Round Bar?
Answer: The 4140 Alloy Steel Round Bar is known for its exceptional strength, toughness, and ability to resist wear, making it ideal for a variety of applications. It has a diameter of 0.5625 inches and a length of 36 inches, and is unpolished with a mill finish, ensuring it retains its durability while offering aesthetic value. This steel is also annealed, providing improved machinability, and is cold finished, resulting in tighter tolerances. Common uses include manufacturing of gears, shafts, and crankshafts, where high performance is crucial. -
Question:
What is the significance of ASTM A108 in relation to this steel bar?
Answer: ASTM A108 is the specification that defines the requirements for the cold-finished steel bars. It covers general requirements for the improved properties of cold worked steels, which includes dimensional tolerances, chemical composition, and mechanical properties. This specification ensures that the 4140 Alloy Steel Round Bar meets strict quality standards, providing you with the durability and performance needed for high-stress applications. Industries such as automotive and aerospace rely on ASTM A108 standards to ensure safety and precision in their components. -
Question:
How does annealing affect the properties of 4140 Alloy Steel?
Answer: Annealing is a heat treatment process that improves the ductility and machinability of 4140 Alloy Steel. This treatment relieves internal stresses and softens the material, making it easier to work with using machining tools. The result is a steel round bar that is more flexible and less prone to cracking during further processing. This makes annealed 4140 ideal for applications that require detailed machining, such as the manufacturing of intricate components for machinery or tooling. -
Question:
Is the 4140 Alloy Steel Round Bar suitable for welding?
Answer: Yes, the 4140 Alloy Steel Round Bar can be welded, but it requires specific techniques to ensure a strong bond. Due to its alloy content, pre-heating before welding is often recommended to avoid cracking and to ensure effective penetration. Post-weld heat treatment can help to relieve any stresses that occur during the welding process. This makes it suitable for constructing frames or other structures that need to endure heavy loads and dynamic environments. -
Question:
What applications are best suited for a 4140 Alloy Steel Round Bar?
Answer: The 4140 Alloy Steel Round Bar is versatile and widely used across several industries. It is particularly well-suited for manufacturing mechanical parts such as gears, axles, and shafts, where high strength is essential. Additionally, it can be used in the production of tooling and fixtures in machining operations. Its durability and ability to withstand high-stress situations make it an excellent choice for components that require both toughness and reliability. -
Question:
What is the difference between annealed and unannealed 4140 Alloy Steel?
Answer: The main difference between annealed and unannealed 4140 Alloy Steel lies in their mechanical properties. Annealed 4140 offers improved ductility, making it easier to work with in machining processes. Unannealed 4140 is generally harder and stronger but may be more challenging to machine. For projects requiring extensive machining, an annealed option is often preferred, while unannealed variants are utilized where higher tensile strength is needed without extensive machining. -
Question:
Can I use 4140 Alloy Steel for outdoor applications?
Answer: 4140 Alloy Steel can be used in outdoor applications, but it is important to consider surface protection. Though it is strong, 4140 steel can be susceptible to corrosion when exposed to moisture and harsh weather conditions. Therefore, it is often advisable to apply a protective coating or paint to enhance its resistance to corrosion. This makes it ideal for outdoor structures like frames or attachments in equipment, where durability is crucial for environmental resistance. -
Question:
How is 4140 Alloy Steel processed in manufacturing?
Answer: Processing of 4140 Alloy Steel typically includes several steps such as forging, machining, and heat treatment. The cold finishing process contributes to achieving precise dimensions and surface finishes. After fabrication, heat treatment processes like tempering and quenching can further enhance the material's mechanical properties. These processing techniques make 4140 Alloy Steel ideal for producing high-strength components in demanding applications such as heavy machinery and automotive parts. -
Question:
What safety considerations should I keep in mind while working with 4140 Alloy Steel?
Answer: When working with 4140 Alloy Steel, safety considerations include using appropriate personal protective equipment (PPE) such as safety goggles, gloves, and protective clothing. The machining process can generate sharp chips and debris, so it is important to ensure a clean and safe workspace. Additionally, be knowledgeable about the properties of the material and the appropriate tools required for machining to prevent accidents. Being aware of the heat generated during machining operations is also essential to avoid burns. -
Question:
Where can I buy 4140 Alloy Steel Round Bar in Palau?
Answer: You can purchase 4140 Alloy Steel Round Bar online through Ubuy. They offer a variety of metal materials, including the specific properties of the 4140 round bar you need. Ubuy provides an easy-to-navigate platform to find the exact specifications, ensuring you have access to reliable and high-quality steel products for your projects.
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