0 ratings
4130 Alloy Steel Round Bar, Unpolished (Mill) Finish, Normalized, AMS 6370, AMS-S 6758, 1.625
4130 alloy steel is highly versatile and offers good strength, weldability, impact and abrasion resistance while also being easy to machine.
4130 Alloy Steel Round Bar, Unpolished (Mill) Finish, Normalized, AMS 6370, AMS-S 6758, 1.625" Diameter, 12" Length, OnlineMetals
Item #: 193263719

4130 Alloy Steel Round Bar, Unpolished (Mill) Finish, Normalized, AMS 6370, AMS-S 6758, 1.625" Diameter, 12" Length, OnlineMetals

Item #: 193263719

USD 151

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store
Order now and get it around Thursday, September 10
Our Top Logistics Partners
  • fedex
  • dhl
4130 alloy steel is highly versatile and offers good strength, weldability, impact and abrasion resistance while also being easy to machine.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High-Quality Alloy
Crafted from 4130 alloy steel, this round bar offers superior strength, durability, and corrosion resistance, making it ideal for demanding automotive and aerospace applications.
Precision Cold Finish
The cold finish process ensures a precise diameter and excellent surface quality, reducing the need for further machining in many applications for added efficiency.
Normalized Fabrication
Normalized to relieve internal stresses, this round bar enhances performance and stability under high temperatures, making it perfect for critical engineering projects.

Product Details

Shop 4130 Alloy Steel Round Bar, Unpolished (Mill) Finish, Normalized, AMS 6370, AMS-S 6758, 1.625 Diameter, 12 Length, OnlineMetals online at a best price in Zimbabwe. B0888VP1S4
Item Weight7 pounds (3.18 kg)
Item ShapeRound
Item FormBar
MaterialAlloy Steel 4130
Brand NameOnline Metals
Number of Items1
ManufacturerOnlineMetals
Part NumberOM-7373120
BrandOnline Metals
ShapeRound

Who Should Buy?

Suitable For
  • Machinists

    Ideal for machinists needing a durable, versatile steel bar for various machining tasks, offering excellent strength and weldability.

  • Automotive Engineers

    Perfect for automotive applications requiring high strength steel components, such as chassis and suspension systems, due to its toughness.

  • Metal Fabricators

    Beneficial for metal fabricators working on custom projects, providing a reliable material that can be formed and shaped effectively.

Not Suitable For
  • General Consumers

    Unsuitable for general consumers lacking specific knowledge or tools for handling, as 4130 requires specialized skills for use.

Product Description

4130 Alloy Steel Round Bar, Unpolished (Mill) Finish, Normalized, AMS 6370, AMS-S 6758, 1.625" Diameter, 12" Length, OnlineMetals

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is 4130 Alloy Steel and what are its properties?

    Answer: 4130 Alloy Steel is a low alloy steel containing chromium and molybdenum. Its properties include excellent tensile strength and fatigue resistance, making it ideal for structural applications. The steel is normalized to enhance its machinability and improves its toughness and ductility, which are essential in industries such as aerospace and automotive manufacturing.
  • Question: What does 'Unpolished (Mill) Finish' mean?

    Answer: The 'Unpolished (Mill) Finish' indicates that the 4130 Alloy Steel Round Bar has not undergone any finishing process post-manufacturing. This finish retains the surface characteristics as produced, providing robust properties without additional treatment. This is ideal for applications where surface aesthetics are not critical, such as in machinery components or structural frameworks.
  • Question: How is the 1.625" diameter advantageous in applications?

    Answer: The 1.625" diameter of the 4130 Alloy Steel Round Bar makes it suitable for various applications that require robust support. This size is often used in numerous engineering projects, including the production of axles, shafts, and structural frames, providing a good balance of strength and weight. It's commonly chosen in high-stress components.
  • Question: Why is normalization important for 4130 Alloy Steel?

    Answer: Normalization is crucial as it refines the grain structure of the steel, enhancing its mechanical properties. This process improves toughness and ductility, which facilitates easier machining and forming during manufacturing. Products like the 4130 round bar benefit from these enhancements, making them more reliable in demanding applications.
  • Question: What are AMS 6370 and AMS-S 6758 certifications?

    Answer: AMS 6370 and AMS-S 6758 are aerospace material specifications that outline the required properties for heat-treated alloy steels like 4130. These certifications ensure the material meets specific standards regarding alloy composition and mechanical characteristics, making it suitable for aviation and automotive components where safety and reliability are paramount.
  • Question: Can 4130 Alloy Steel be welded?

    Answer: Yes, 4130 Alloy Steel can be welded, but it requires proper techniques to maintain its strength. Pre-heating before welding and post-weld heat treatment are recommended to avoid brittle fractures. This makes 4130 ideal for fabricating components that need to be joined, such as frames and joints in various engineering applications.
  • Question: Is 4130 Alloy Steel corrosion-resistant?

    Answer: 4130 Alloy Steel is not inherently corrosion-resistant since it is a low alloy steel. However, it can be treated with coatings or finishes to improve resistance. In environments where corrosion is a concern, using 4130 with protective measures, such as paint, powder coating, or plating, is advisable to extend its lifespan and maintain performance.
  • Question: What are common uses for the 4130 Alloy Steel Round Bar?

    Answer: The 4130 Alloy Steel Round Bar is commonly used in various applications including aircraft components, automotive parts, and structural supports. Its strength-to-weight ratio makes it a favorite in the production of race car frames, sporting equipment, and high-stress machinery parts, highlighting its versatility and reliability in engineering solutions.
  • Question: What is the difference between normalized and annealed steel?

    Answer: Normalized steel undergoes a heating process followed by air cooling to refine its grain structure, leading to improved toughness and strength. On the other hand, annealed steel is heated and cooled slowly to relieve internal stresses. While both processes enhance mechanical properties, normalization is often preferred for applications requiring higher yield strength.
  • Question: Where can I buy 4130 Alloy Steel Round Bar in Zimbabwe?

    Answer: You can conveniently purchase the 4130 Alloy Steel Round Bar from Ubuy in Zimbabwe. Ubuy offers a reliable platform to explore different specifications of steel products, ensuring you find the right material for your needs with ease.

Online Metals Bars Editorial Review

No editorial reviews found

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.