APPROVED VENDOR Alloy Steel Rectangular Bar: 1.25 in Thick, 0 in/-0.005 in
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 24 in and a thickness of 1.25 in. It features a thickness…
SKU 3G-OTH-591348
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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 24 in and a thickness of 1.25 in. It features a thickness tolerance of 0 in/-0.005 in and includes a Material Certificate with Lot Number (MPN 40F1.25X3-24).
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 industrial components such as shafts, gears, jigs, and fixtures. Its precise thickness tolerance and material certificate with lot number support quality-critical applications in machining, tooling, and general fabrication across multiple industries.
What are the specifications of the APPROVED VENDOR 40F1.25X3-24 alloy steel bar?
The bar is 1.25 in thick with a thickness tolerance of 0 in/-0.005 in, nominal size 3 in x 24 in (WxL), cold-rolled fabrication, heat treatable, and includes a Material Certificate with Lot Number. The manufacturer part number is 40F1.25X3-24, and the brand is APPROVED VENDOR.
Where to buy APPROVED VENDOR 4140 alloy steel rectangular bars worldwide?
3G Electric supplies and delivers APPROVED VENDOR 4140 alloy steel rectangular bars worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, regardless of location. Contact us for availability and lead time.
How to select the right 4140 alloy steel flat bar for machining?
Select based on required thickness, width, length, and tolerance. This cold-rolled, heat-treatable bar with 0 in/-0.005 in thickness tolerance suits precision machining. Always verify the material certificate with lot number for traceability. For application-specific advice, consult your engineering team or a qualified supplier like 3G Electric.
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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.









