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APPROVED VENDOR Alloy Steel Square Bar: 2.75 in Thick, 0 in/-0.006 in, 2 3/4 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: 2.75 in Thick, 0 in/-0.006 in, 2 3/4 in x 6 ft 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 3/4 in x 6 ft and a thickness tolerance of 0 in/-0.006 in. It includes…

SKU 3G-OTH-591164

Brand
APPROVED VENDOR
Item
Alloy Steel Square Bar: 2.75 in Thick, 0 in/-0.006 in, 2 3/4 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
40S2.75-72
Type
0 in/-0.006 in, Mill
Fabrication
Cold Rolled
Heat Treatable
Heat Treatable
Nominal Size (WxL)
2 3/4 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

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 3/4 in x 6 ft and a thickness tolerance of 0 in/-0.006 in. 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 structural components in industrial equipment. Its cold-rolled finish and heat-treatable property make it suitable for applications requiring wear resistance and dimensional stability across manufacturing and heavy machinery sectors.

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

The APPROVED VENDOR Alloy Steel Square Bar has a nominal size of 2 3/4 in x 6 ft, thickness tolerance of 0 in/-0.006 in, and is cold rolled and heat treatable. It is made from 4140 alloy steel and includes a Material Certificate with Lot Number for traceability. The manufacturer part number is 40S2.75-72.

Where to buy the APPROVED VENDOR Alloy Steel Square Bar worldwide?

3G Electric supplies the APPROVED VENDOR Alloy Steel Square Bar worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver this 4140 alloy steel bar to your facility, ensuring traceability with the included Material Certificate and Lot Number.

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

Select based on required strength, heat treatability, and dimensional tolerances. For applications needing wear resistance, 4140 alloy steel like this APPROVED VENDOR bar is common. Verify thickness tolerance (here 0 in/-0.006 in) and ensure the material certificate provides lot traceability for quality assurance in critical components.

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 Rectangular Bar: 1 in Thick, 0 in/-0.005 in, 2 1/2 in x 24 in Nominal Size (WxL), Mill (MPN 40F1X2.5-24). 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 Rectangular Bar: 1 in Thick, 0 in/-0.005 in, 1 3/4 in x 12 in Nominal Size (WxL), Mill (MPN 40F1X1.75-12). 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 Rectangular Bar: 1 in Thick, 0 in/-0.005 in, 1 3/4 in x 12 in Nominal Size (WxL), Mill (MPN 40F1X1.75-12). 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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