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APPROVED VENDOR Alloy Steel Square Bar: 3 in Thick, 0 in/-0.006 in, 3 in x 3 in Nominal Size (WxL) - High-Strength 4140 Alloy Steel Flat Bars
APPROVED VENDORHigh-Strength 4140 Alloy Steel Flat Bars

APPROVED VENDOR Alloy Steel Square Bar: 3 in Thick, 0 in/-0.006 in, 3 in x 3 in Nominal Size (WxL)

The APPROVED VENDOR Alloy Steel Square Bar (SKU 782M54, MPN 40S3-3) is a High-Strength 4140 Alloy Steel Flat Bar with a 3 in x 3 in nominal size, cold-rolled fabrication, and a thickness tolerance of 0 in/-0.006 in…

SKU 3G-OTH-591165

Brand
APPROVED VENDOR
Item
Alloy Steel Square Bar: 3 in Thick, 0 in/-0.006 in, 3 in x 3 in Nominal Size
Category
High-Strength 4140 Alloy Steel Flat Bars
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
40S3-3
Type
0 in/-0.006 in, Cold Rolled
Fabrication
Cold Rolled
Heat Treatable
Heat Treatable
Nominal Size (WxL)
3 in x 3 in
Thickness Tolerance
0 in/-0.006 in
Certifications Included
Material Certificate with Lot Number
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Alloy Steel Square Bar (SKU 782M54, MPN 40S3-3) is a High-Strength 4140 Alloy Steel Flat Bar with a 3 in x 3 in nominal size, cold-rolled fabrication, and a thickness tolerance of 0 in/-0.006 in. It is 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 square bar is used for machining shafts, gears, and structural components that require heat treatable properties. It is commonly applied in industrial equipment, tooling, and heavy machinery across sectors like automotive, aerospace, and general manufacturing.

What are the specifications of the APPROVED VENDOR Alloy Steel Square Bar?

The bar has a nominal size of 3 in x 3 in, cold-rolled fabrication, thickness tolerance of 0 in/-0.006 in, and is heat treatable. It includes a Material Certificate with Lot Number. The brand is APPROVED VENDOR, MPN 40S3-3.

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 site. Contact us for pricing and lead time on this cold-rolled 4140 alloy steel bar.

How to select the right alloy steel square bar for heat treating?

Select a bar that is explicitly marked heat treatable, like this 4140 alloy steel square bar. Verify the thickness tolerance and nominal size match your machining allowance. Always request a Material Certificate with Lot Number to confirm traceability and composition.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED 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.

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