APPROVED VENDOR Alloy Steel Rectangular Bar: 0.38 in Thick, 0 in/-0.004 in
The Alloy Steel Rectangular Bar from APPROVED VENDOR is a High-Strength 4140 Alloy Steel Flat Bar, cold rolled and heat treatable, with a nominal size of 4 in x 24 in and a thickness of 0.38 in. It features a…
SKU 3G-OTH-591219
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Product Description
The Alloy Steel Rectangular Bar from APPROVED VENDOR is a High-Strength 4140 Alloy Steel Flat Bar, cold rolled and heat treatable, with a nominal size of 4 in x 24 in and a thickness of 0.38 in. It features a thickness tolerance of 0 in/-0.004 in and includes a Material Certificate with Lot Number (MPN 40F.375X4-24).
Frequently Asked Questions
What is the Alloy Steel Rectangular Bar used for?
This APPROVED VENDOR High-Strength 4140 Alloy Steel Flat Bar is used in machining, tooling, and structural applications requiring heat-treatable strength. Its cold-rolled finish and tight thickness tolerance suit precision jigs, fixtures, and wear plates across industrial sectors.
What are the specifications of the Alloy Steel Rectangular Bar?
The bar is 0.38 in thick with a 4 in x 24 in nominal size, cold-rolled fabrication, and a thickness tolerance of 0 in/-0.004 in. It is heat treatable and includes a Material Certificate with Lot Number. The manufacturer part number is 40F.375X4-24.
Where to buy the Alloy Steel Rectangular Bar worldwide?
3G Electric supplies the APPROVED VENDOR Alloy Steel Rectangular Bar worldwide. We handle full logistics and customs clearance to deliver this cold-rolled 4140 flat bar to your facility, ensuring you receive the correct material certificate with each order.
How to select the right Alloy Steel Rectangular Bar for a project?
Select based on required thickness, width, and length tolerances. This 0.38 in thick bar with 0 in/-0.004 in tolerance suits precision fits. Confirm heat-treatable grade 4140 meets your hardness needs. 3G Electric can help match specifications to your application.
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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.









