APPROVED VENDOR Alloy Steel Rectangular Bar: 0.5 in Thick, 0 in/-0.004 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/-0.004 in. It includes…
SKU 3G-OTH-591059
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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/-0.004 in. 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 high-strength 4140 alloy steel flat bar is used in industrial applications requiring wear resistance and toughness, such as machine tooling, jigs, fixtures, and structural components. Its cold-rolled finish and heat-treatable property make it suitable for precision parts that undergo hardening.
What are the specifications of the APPROVED VENDOR 40F.5X3.5-6 alloy steel bar?
The bar is cold-rolled 4140 alloy steel, rectangular, with a nominal size of 3 1/2 in x 6 in (WxL) and thickness tolerance of 0 in/-0.004 in. It is heat treatable and includes a Material Certificate with Lot Number for traceability. The manufacturer part number is 40F.5X3.5-6.
Where to buy APPROVED VENDOR alloy steel rectangular bars worldwide?
3G Electric supplies APPROVED VENDOR alloy steel rectangular bars worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 4140 cold-rolled flat bar with material certification.
How to select the right thickness tolerance for a 4140 alloy steel bar?
For precision applications, choose a thickness tolerance like 0 in/-0.004 in to ensure consistent fit in machining or assembly. Cold-rolled 4140 bars offer tighter dimensional control than hot-rolled. Always verify the tolerance matches your design requirements and that a material certificate is included for traceability.
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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.









