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APPROVED VENDOR Alloy Steel Square Bar: 3 in Thick, 0 in/-0.006 in, 3 in x 6 ft 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 6 ft Nominal Size (WxL)

APPROVED VENDOR Alloy Steel Square Bar is a high-strength 4140 alloy steel flat bar, cold rolled with a thickness tolerance of 0 in/-0.006 in and a nominal size of 3 in x 6 ft. It is heat treatable and includes a…

SKU 3G-OTH-591169

Brand
APPROVED VENDOR
Item
Alloy Steel Square Bar: 3 in Thick, 0 in/-0.006 in, 3 in x 6 ft Nominal Size
Category
High-Strength 4140 Alloy Steel Flat Bars
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
40S3-72
Type
0 in/-0.006 in, Cold Rolled
Fabrication
Cold Rolled
Heat Treatable
Heat Treatable
Nominal Size (WxL)
3 in x 6 ft
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

APPROVED VENDOR Alloy Steel Square Bar is a high-strength 4140 alloy steel flat bar, cold rolled with a thickness tolerance of 0 in/-0.006 in and a nominal size of 3 in x 6 ft. It is heat treatable and includes a Material Certificate with Lot Number (MPN 40S3-72).

Frequently Asked Questions

What is the APPROVED VENDOR 40S3-72 alloy steel square bar used for?

This cold-rolled 4140 alloy steel square bar is used for high-strength structural components, shafts, gears, and tooling in industrial machining and fabrication. Its heat-treatable property allows hardness adjustment for demanding applications.

What are the specifications of the APPROVED VENDOR 40S3-72 square bar?

The bar is 3 in thick, 3 in x 6 ft nominal size, cold-rolled with a thickness tolerance of 0 in/-0.006 in. It is heat treatable and includes a Material Certificate with Lot Number. The manufacturer part number is 40S3-72.

Where to buy the APPROVED VENDOR 40S3-72 alloy steel square bar worldwide?

3G Electric supplies the APPROVED VENDOR 40S3-72 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 cold-rolled 4140 bar.

How to select the right alloy steel square bar for machining?

Select based on required strength, heat treatability, and dimensional tolerance. The APPROVED VENDOR 40S3-72 offers a 0 in/-0.006 in thickness tolerance and is cold-rolled for improved surface finish. Verify your application's load and hardness needs before ordering.

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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Alloy Steel Square Bar: 1.13 in Thick, 0 in/-0.005 in, 1 1/8 in x 6 in Nominal Size (WxL), Mill (MPN 40S1.125-6). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.005 in; Certifications Included: Material Certificate with Lot Number.
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Alloy Steel Square Bar: 1.13 in Thick, 0 in/-0.005 in, 1 1/8 in x 6 in Nominal Size (WxL), Mill (MPN 40S1.125-6). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.005 in; Certifications Included: Material Certificate with Lot Number.
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