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Item #:
99843812
4140 Alloy Steel Round Bar, Unpolished (Mill) Finish, Annealed, Cold Finish, ASTM A108, 0.5625" Diameter, 36" Length, OnlineMetals
Item #:
99843812
€ 99
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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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4140 alloy steel is known for strength, resistance to fracturing, abrasion, and impact in high stress applications.
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What Stands Out
High Strength
The 4140 alloy steel offers exceptional strength and toughness, ideal for demanding applications such as automotive and machinery, outperforming standard steel in durability and reliability.
Precision Dimensions
With a diameter of 0.875 inches and a length of 12 inches, this round bar ensures precise dimensional control, making it perfect for custom fabrication and machine tooling.
Versatile Use
This annealed, cold-finished bar is suitable for various industries, allowing for easy machining and welding, providing flexibility for engineers and manufacturers to innovate freely.
Product Details
| Material | Alloy Steel 4140/4142 |
| Brand | Online Metals |
| Shape | Round |
| Item Diameter | 0.56 Inches (1.4 cm) |
| Item Thickness | 0.56 Inches (1.4 cm) |
| Item Weight | 1.2 lbs (540 grams) |
Who Should Buy?
-
Machinists
Ideal for machinists needing strong, durable materials for precision machining applications in various industries.
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Fabricators
Excellent for fabricators looking for high-strength steel bars for welding and fabrication projects.
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Engineers
Suitable for engineers designing components requiring high wear resistance and toughness in their applications.
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Hobbyists
May not be suitable for casual hobbyists who require lighter materials for simple crafts or projects.
Product Description
4140 Alloy Steel Round Bar, Unpolished (Mill) Finish, Annealed, Cold Finish, ASTM A108, 0.5625" Diameter, 36" Length, OnlineMetals
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Customer Questions & Answers
-
Question:
What applications is 4140 alloy steel suitable for?
Answer: It is ideal for high-stress applications such as gears, shafts, spindles, and fixtures. -
Question:
Can I heat treat this material?
Answer: Yes, 4140 alloy steel can be heat treated for enhanced hardness. -
Question:
What specifications does this product meet?
Answer: It meets American Society for Testing and Materials International ASTM A108 specifications.
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MT
Mohd
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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Youcef
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“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
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Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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€ 99
Order now and get it around Sunday, August 09
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Features & Benefits
- High strength and durability, perfect for heavy-duty applications.
- Cold finished and annealed for improved formability and toughness.
- Meets ASTM A108 specifications ensuring quality and reliability.
- Contains chromium and molybdenum, enhancing machinability.
- Ability to be heat treated for increased hardness.
- Ideal for gears, shafts, and other essential components.
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