APPROVED VENDOR Alloy Steel Rectangular Bar: 0.375 in Thick, 0 in/-0.005 in
APPROVED VENDOR Alloy Steel Rectangular Bar is a cold-rolled, heat-treatable 4140 high-strength flat bar with a 0.375 in thickness, 0 in/-0.005 in tolerance, and 1 1/4 in x 36 in nominal size. It includes a Material…
SKU 3G-OTH-591044
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Product Description
APPROVED VENDOR Alloy Steel Rectangular Bar is a cold-rolled, heat-treatable 4140 high-strength flat bar with a 0.375 in thickness, 0 in/-0.005 in tolerance, and 1 1/4 in x 36 in nominal size. It includes a Material Certificate with Lot Number for traceability.
Frequently Asked Questions
What is the APPROVED VENDOR 4140 alloy steel rectangular bar used for?
This cold-rolled, heat-treatable 4140 flat bar is used in high-strength industrial applications such as machine tooling, jigs, fixtures, and structural components. Its 0.375 in thickness and tight 0 in/-0.005 in tolerance suit precision machining and fabrication across multiple industries.
What are the specifications of the APPROVED VENDOR 40f.375x1.25-36 bar?
The bar is 0.375 in thick, 1 1/4 in wide, 36 in long, with a thickness tolerance of 0 in/-0.005 in. It is cold-rolled, heat-treatable 4140 alloy steel, and includes a Material Certificate with Lot Number for full traceability. The MPN is 40f.375x1.25-36.
Where to buy APPROVED VENDOR alloy steel rectangular bars worldwide?
3G Electric supplies and delivers the APPROVED VENDOR 4140 rectangular bar worldwide. We handle full logistics and customs clearance, ensuring you receive the correct material with its Material Certificate. Contact us for availability and lead time to your location.
How to select the right thickness tolerance for a 4140 flat bar?
For precision applications, choose a bar with a tight tolerance like 0 in/-0.005 in to minimize post-machining. The APPROVED VENDOR cold-rolled 4140 bar offers this tolerance and is heat-treatable for added strength. Always verify the Material Certificate with Lot Number for quality assurance.
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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.









