APPROVED VENDOR Alloy Steel Rectangular Bar: 0.38 in Thick, 0 in/-0.004 in, 4 in x 6 ft Nominal Size (WxL)
The Alloy Steel Rectangular Bar from APPROVED VENDOR is a High-Strength 4140 Alloy Steel Flat Bar, cold-rolled and heat-treatable, with a nominal size of 4 in x 6 ft and a thickness of 0.38 in. It features a…
SKU 3G-OTH-591372
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Product Description
The Alloy Steel Rectangular Bar from APPROVED VENDOR is a High-Strength 4140 Alloy Steel Flat Bar, cold-rolled and heat-treatable, with a nominal size of 4 in x 6 ft and a thickness of 0.38 in. It features a thickness tolerance of 0 in/-0.004 in and is supplied as a mill product (MPN 40F.375X4-72) with no certificates included.
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 structural components, tooling, and machinery parts requiring strength and wear resistance. Its cold-rolled, heat-treatable properties make it suitable for shafts, gears, and jigs in industrial manufacturing and maintenance applications.
What are the specifications of the APPROVED VENDOR 4140 flat bar?
The bar is 0.38 in thick with a thickness tolerance of 0 in/-0.004 in, nominal size 4 in x 6 ft. It is cold-rolled, heat-treatable, and supplied as a mill product (MPN 40F.375X4-72) with no certificates included. 3G Electric sources this APPROVED VENDOR item for global supply.
Where to buy APPROVED VENDOR Alloy Steel Rectangular Bar worldwide?
3G Electric supplies the APPROVED VENDOR Alloy Steel Rectangular Bar worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us to order this High-Strength 4140 flat bar with the specified thickness tolerance and mill finish.
How to select the right 4140 alloy steel flat bar for a project?
Select based on required thickness, width, length, and heat-treatability. This APPROVED VENDOR bar is cold-rolled with a 0 in/-0.004 in tolerance, ideal for precision applications. Confirm your load and hardness needs; 3G Electric can help source the correct mill product for your specifications.
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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.









