APPROVED VENDOR Alloy Steel Rectangular Bar: 1 in Thick, 0 in/-0.005 in
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 1/2 in x 6 in and thickness tolerance of 0 in/-0.005 in. It includes…
SKU 3G-OTH-591116
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Product Description
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 1/2 in x 6 in and thickness tolerance of 0 in/-0.005 in. It includes a Material Certificate with Lot Number (MPN 40F1X3.5-6).
Frequently Asked Questions
What is the APPROVED VENDOR 4140 alloy steel rectangular bar used for?
This high-strength 4140 alloy steel flat bar is used in industrial applications requiring heat-treatable, cold-rolled material with tight thickness tolerance. Typical uses include machine components, jigs, fixtures, and tooling where dimensional stability and strength are critical.
What are the specifications of the APPROVED VENDOR 40F1X3.5-6 alloy steel bar?
The APPROVED VENDOR 40F1X3.5-6 is a cold-rolled, heat-treatable 4140 alloy steel rectangular bar. Nominal size is 3 1/2 in x 6 in, thickness tolerance is 0 in/-0.005 in, and it includes a Material Certificate with Lot Number. Fabrication is mill finish.
Where to buy the APPROVED VENDOR 4140 alloy steel rectangular bar worldwide?
3G Electric supplies the APPROVED VENDOR 40F1X3.5-6 alloy steel rectangular 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.
How to select the right thickness tolerance for a 4140 alloy steel flat bar?
For precision applications, choose a thickness tolerance like 0 in/-0.005 in to ensure the bar stays within a tight maximum dimension. Cold-rolled 4140 alloy steel offers better surface finish and dimensional consistency than hot-rolled. Always verify the material certificate for lot traceability.
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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.









