APPROVED VENDOR Alloy Steel Rectangular Bar: 0.5 in Thick, 0 in/-0.004 in
The Alloy Steel Rectangular Bar from APPROVED VENDOR is a High-Strength 4140 Alloy Steel Flat Bar, cold rolled and heat treatable, with a thickness of 0.5 in and a thickness tolerance of 0 in/-0.004 in. It has a…
SKU 3G-OTH-591221
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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 thickness of 0.5 in and a thickness tolerance of 0 in/-0.004 in. It has a nominal size of 3/4 in x 36 in, mill finish, and includes a Material Certificate with Lot Number (MPN 40F.5X.75-36).
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 for machining and fabrication of parts requiring wear resistance and toughness, such as shafts, gears, and jigs. Its cold-rolled finish and heat-treatable property make it suitable for precision industrial applications across machining, power transmission, and material handling.
What are the specifications of the APPROVED VENDOR 40F.5X.75-36 alloy steel bar?
The bar is 0.5 in thick, 3/4 in wide x 36 in long nominal size, with a thickness tolerance of 0 in/-0.004 in. It is cold rolled, heat treatable, mill finish, and includes a Material Certificate with Lot Number. The manufacturer part number is 40F.5X.75-36.
Where to buy APPROVED VENDOR alloy steel rectangular bars worldwide?
3G Electric supplies and delivers APPROVED VENDOR 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, whether you are in North America, Europe, Asia, or the Middle East.
How to select the right thickness tolerance for a 4140 alloy steel flat bar?
For precision machining, choose a thickness tolerance like 0 in/-0.004 in to ensure consistent dimensions without oversize. Confirm the bar is cold rolled and heat treatable if post-processing is needed. Always verify the material certificate with lot number for traceability in critical applications.
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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.









