APPROVED VENDOR Alloy Steel Square Bar: 2.5 in Thick, 0 in/-0.006 in, 2 1/2 in x 24 in Nominal Size (WxL)
The APPROVED VENDOR Alloy Steel Square Bar is a high-strength 4140 alloy steel flat bar, cold rolled and heat treatable, with a nominal size of 2 1/2 in x 24 in and a thickness tolerance of 0 in/-0.006 in (Mill). It…
SKU 3G-OTH-591234
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Alloy Steel Square Bar is a high-strength 4140 alloy steel flat bar, cold rolled and heat treatable, with a nominal size of 2 1/2 in x 24 in and a thickness tolerance of 0 in/-0.006 in (Mill). It includes a Material Certificate with Lot Number for traceability.
Frequently Asked Questions
What is the APPROVED VENDOR Alloy Steel Square Bar used for?
This 4140 alloy steel square bar is used for high-strength industrial components such as shafts, gears, and tooling. Its cold-rolled finish and heat-treatable properties make it suitable for machining and fabrication in heavy equipment, automotive, and general manufacturing applications.
What are the specifications of the APPROVED VENDOR Alloy Steel Square Bar?
The bar has a nominal size of 2 1/2 in x 24 in, thickness tolerance of 0 in/-0.006 in (Mill), and is cold rolled from heat-treatable 4140 alloy steel. It includes a Material Certificate with Lot Number for full traceability. The manufacturer part number is 40S2.5-24.
Where to buy the APPROVED VENDOR Alloy Steel Square Bar worldwide?
3G Electric supplies the APPROVED VENDOR Alloy Steel Square Bar worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 4140 alloy steel bar.
How to select the right alloy steel square bar for machining?
Select based on required strength, machinability, and heat treatment needs. 4140 alloy steel offers good toughness and wear resistance. Confirm dimensions, tolerance (e.g., 0 in/-0.006 in), and certification like a Material Certificate with Lot Number for traceability. Consult your application's load and hardness requirements.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR high-strength 4140 alloy steel flat bars. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









