APPROVED VENDOR Alloy Steel Square Bar: 2.25 in Thick, 0 in/-0.006 in, 2 1/4 in x 36 in Nominal Size (WxL)
The APPROVED VENDOR Alloy Steel Square Bar is a high-strength 4140 alloy steel flat bar, cold rolled and heat treatable, with a nominal size of 2 1/4 in x 36 in and a thickness tolerance of 0 in/-0.006 in (Mill). It…
SKU 3G-OTH-591465
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Alloy Steel Square Bar is a high-strength 4140 alloy steel flat bar, cold rolled and heat treatable, with a nominal size of 2 1/4 in x 36 in and a thickness tolerance of 0 in/-0.006 in (Mill). It includes a Material Certificate with Lot Number for traceability.
Frequently Asked Questions
What is the APPROVED VENDOR Alloy Steel Square Bar used for?
This high-strength 4140 alloy steel square bar is used for machining shafts, gears, and tooling components that require heat treatable strength and dimensional stability. It is cold rolled for a smooth surface and includes a Material Certificate with Lot Number for full traceability in critical applications.
What are the specifications of the APPROVED VENDOR Alloy Steel Square Bar?
The bar is 2 1/4 in x 36 in nominal size, cold rolled, heat treatable, with a thickness tolerance of 0 in/-0.006 in (Mill). It is made from 4140 alloy steel and includes a Material Certificate with Lot Number. The manufacturer part number is 40S2.25-36.
Where to buy the APPROVED VENDOR Alloy Steel Square Bar worldwide?
3G Electric supplies the APPROVED VENDOR Alloy Steel Square Bar worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this 4140 alloy steel bar with Material Certificate traceability.
How to select the right alloy steel square bar for heat treating?
Select a heat treatable grade like 4140 alloy steel, which offers good hardenability and strength after quenching and tempering. Confirm the thickness tolerance meets your machining allowance. The APPROVED VENDOR bar includes a Material Certificate with Lot Number for material verification before heat treatment.
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.









