APPROVED VENDOR Alloy Steel Rectangular Bar: 1 in Thick, 0 in/-0.005 in, 3 in x 4 in Nominal Size (WxL)
APPROVED VENDOR Alloy Steel Rectangular Bar is a High-Strength 4140 Alloy Steel Flat Bar, cold rolled with a thickness tolerance of 0 in/-0.005 in and nominal size of 3 in x 4 in. It is heat treatable and includes a…
SKU 3G-OTH-591119
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Product Description
APPROVED VENDOR Alloy Steel Rectangular Bar is a High-Strength 4140 Alloy Steel Flat Bar, cold rolled with a thickness tolerance of 0 in/-0.005 in and nominal size of 3 in x 4 in. It is heat treatable and includes a Material Certificate with Lot Number (MPN 40F1X4-3).
Frequently Asked Questions
What is APPROVED VENDOR Alloy Steel Rectangular Bar used for?
This High-Strength 4140 Alloy Steel Flat Bar is used in industrial machining, tooling, and structural applications requiring heat-treatable steel with tight thickness tolerance. 3G Electric supplies this cold-rolled bar across 14 industrial departments, including machining and material handling.
What are the specifications of APPROVED VENDOR 40F1X4-3?
The APPROVED VENDOR Alloy Steel Rectangular Bar is cold rolled, heat treatable, with a thickness tolerance of 0 in/-0.005 in and nominal size of 3 in x 4 in. It includes a Material Certificate with Lot Number. 3G Electric sources this 4140 alloy steel bar for global delivery.
Where to buy APPROVED VENDOR Alloy Steel Rectangular Bar worldwide?
3G Electric supplies the APPROVED VENDOR Alloy Steel Rectangular Bar worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source this cold-rolled 4140 bar with material certification and deliver to your facility.
How to select the right alloy steel rectangular bar for heat treating?
Select a heat-treatable grade like 4140 alloy steel with a tight thickness tolerance, such as 0 in/-0.005 in, to ensure dimensional stability after hardening. 3G Electric provides material certificates with lot numbers for traceability, supporting consistent heat-treat results across applications.
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.









