APPROVED VENDOR Alloy Steel Rectangular Bar: 1 in Thick, 0 in/-0.009 in, 3 in x 12 in 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 12 in and a thickness tolerance of 0 in/-0.009 in (MPN…
SKU 3G-OTH-591127
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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 12 in and a thickness tolerance of 0 in/-0.009 in (MPN 40F1X3-12). This mill-finished bar is supplied without certificates, meeting standard industrial specifications for machining and fabrication across 14 departments.
Frequently Asked Questions
What is the APPROVED VENDOR Alloy Steel Rectangular Bar used for?
This High-Strength 4140 Alloy Steel Flat Bar is used for machining and fabrication across 14 industrial departments. Its cold-rolled, heat-treatable construction suits jigs, fixtures, shafts, and structural components where dimensional stability and strength are required.
What are the specifications of the APPROVED VENDOR 40F1X3-12 bar?
The bar is cold-rolled 4140 alloy steel, heat-treatable, with a nominal size of 3 in x 12 in, thickness tolerance of 0 in/-0.009 in, and mill finish. It comes without certificates (MPN 40F1X3-12).
Where to buy APPROVED VENDOR 40F1X3-12 worldwide?
3G Electric supplies the APPROVED VENDOR 40F1X3-12 Alloy Steel Rectangular Bar worldwide. We handle full logistics and customs clearance, delivering to global industrial facilities. Contact us for availability and lead time.
How to select the right thickness tolerance for a 4140 flat bar?
For precision machining, choose a tolerance like 0 in/-0.009 in to ensure consistent fit in assemblies. Confirm your application's required clearance and heat-treating needs. 3G Electric can help match specs to your project across 14 departments.
Used in
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.









