APPROVED VENDOR Alloy Steel Rectangular Bar: 0.25 in Thick, 0 in/-0.007 in, 3 in x 6 ft Nominal Size (WxL)
The APPROVED VENDOR Alloy Steel Rectangular Bar is a High-Strength 4140 Alloy Steel Flat Bar, cold rolled and heat treatable, with a nominal size of 3 in x 6 ft and a thickness of 0.25 in. It features a thickness…
SKU 3G-OTH-591042
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Product Description
The APPROVED VENDOR Alloy Steel Rectangular Bar is a High-Strength 4140 Alloy Steel Flat Bar, cold rolled and heat treatable, with a nominal size of 3 in x 6 ft and a thickness of 0.25 in. It features a thickness tolerance of 0 in/-0.007 in and is supplied as a mill product (MPN 40F.25X3-72) with no certificates included.
Frequently Asked Questions
What is the APPROVED VENDOR 4140 alloy steel rectangular bar used for?
This cold-rolled, heat-treatable 4140 alloy steel flat bar is used for high-strength structural components, machinery parts, and tooling in industrial applications. Its 0.25 in thickness and 3 in x 6 ft nominal size suit precision fabrication where strength and dimensional stability are required.
What are the specifications of the APPROVED VENDOR 40F.25X3-72 alloy steel bar?
The bar is 0.25 in thick with a thickness tolerance of 0 in/-0.007 in, nominal size 3 in x 6 ft (WxL), cold-rolled fabrication, and is heat treatable. It is supplied as a mill product (MPN 40F.25X3-72) with no certificates included.
Where to buy the APPROVED VENDOR 4140 alloy steel rectangular bar worldwide?
3G Electric supplies the APPROVED VENDOR 4140 alloy steel rectangular bar worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this cold-rolled, heat-treatable flat bar.
How to select the right thickness tolerance for a 4140 alloy steel flat bar?
For precision applications, match the thickness tolerance to your machining or assembly requirements. This bar has a 0 in/-0.007 in tolerance, meaning it will not exceed 0.25 in but may be up to 0.007 in thinner. Always verify your design's allowable deviation before ordering.
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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.









