APPROVED VENDOR Alloy Steel Square Bar: 3 in Thick, 0 in/-0.006 in, 3 in x 6 in Nominal Size (WxL)
The APPROVED VENDOR Alloy Steel Square Bar (SKU 782M55, MPN 40S3-6) is a High-Strength 4140 Alloy Steel Flat Bar with a nominal size of 3 in x 6 in and a thickness tolerance of 0 in/-0.006 in. It is cold rolled, heat…
SKU 3G-OTH-591166
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Product Description
The APPROVED VENDOR Alloy Steel Square Bar (SKU 782M55, MPN 40S3-6) is a High-Strength 4140 Alloy Steel Flat Bar with a nominal size of 3 in x 6 in and a thickness tolerance of 0 in/-0.006 in. It is cold rolled, heat treatable, and includes a Material Certificate with Lot Number.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the APPROVED VENDOR Alloy Steel Square Bar used for?
This high-strength 4140 alloy steel flat bar is used in industrial machining, tooling, and structural applications where heat-treatable strength and precise dimensions are required. It is commonly specified for jigs, fixtures, and machine components.
What are the specifications of the APPROVED VENDOR Alloy Steel Square Bar?
The bar has a nominal size of 3 in x 6 in, thickness tolerance of 0 in/-0.006 in, is cold rolled and heat treatable. It includes a Material Certificate with Lot Number. The manufacturer part number is 40S3-6.
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 pricing and lead time on this high-strength 4140 alloy steel flat bar.
How to select the right alloy steel bar for heat treating?
Select a heat-treatable grade like 4140 alloy steel, which offers good hardenability and strength after quenching and tempering. Verify the thickness tolerance and material certificate to ensure dimensional accuracy and traceability for your application.
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.









