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APPROVED VENDOR Alloy Steel Square Bar: 2.75 in Thick, 0 in/-0.006 in, 2 3/4 in x 24 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: 2.75 in Thick, 0 in/-0.006 in, 2 3/4 in x 24 in Nominal Size (WxL)

APPROVED VENDOR Alloy Steel Square Bar is a cold-rolled, heat-treatable 4140 high-strength flat bar with a nominal size of 2 3/4 in x 24 in and a thickness tolerance of 0 in/-0.006 in. Each bar includes a Material…

SKU 3G-OTH-591378

Brand
APPROVED VENDOR
Item
Alloy Steel Square Bar: 2.75 in Thick, 0 in/-0.006 in, 2 3/4 in x 24 in Nominal Size
Category
High-Strength 4140 Alloy Steel Flat Bars
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
40S2.75-24
Type
0 in/-0.006 in, Mill
Fabrication
Cold Rolled
Heat Treatable
Heat Treatable
Nominal Size (WxL)
2 3/4 in x 24 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

APPROVED VENDOR Alloy Steel Square Bar is a cold-rolled, heat-treatable 4140 high-strength flat bar with a nominal size of 2 3/4 in x 24 in and a thickness tolerance of 0 in/-0.006 in. Each bar includes a Material Certificate with Lot Number for traceability.

Frequently Asked Questions

What is the APPROVED VENDOR 4140 alloy steel square bar used for?

This cold-rolled, heat-treatable 4140 high-strength flat bar is used in industrial machining, tooling, and structural applications where strength and wear resistance are required. 3G Electric supplies this bar with a Material Certificate and Lot Number for full traceability.

What are the specifications of the APPROVED VENDOR 40S2.75-24 alloy steel square bar?

The APPROVED VENDOR 40S2.75-24 is a cold-rolled, heat-treatable 4140 alloy steel square bar with a nominal size of 2 3/4 in x 24 in, thickness tolerance of 0 in/-0.006 in, and includes a Material Certificate with Lot Number.

Where to buy APPROVED VENDOR alloy steel square bar worldwide?

3G Electric sources and delivers the APPROVED VENDOR 4140 alloy steel square bar worldwide. We handle full logistics and customs clearance so you receive the correct material with traceability documentation, regardless of your location.

How to select the right 4140 alloy steel bar for heat treating?

Select a cold-rolled, heat-treatable grade like 4140 for consistent response to hardening. Verify the thickness tolerance (e.g., 0 in/-0.006 in) matches your machining allowance. 3G Electric can help you match the bar size and certification requirements to your application.

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: 2.5 in Thick, 0 in/-0.006 in, 2 1/2 in x 36 in Nominal Size (WxL), Mill (MPN 40S2.5-36). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.006 in; Certifications Included: Material Certificate with Lot Number.
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Alloy Steel Square Bar: 1.25 in Thick, 0 in/-0.005 in, 1 1/4 in x 24 in Nominal Size (WxL), Mill (MPN 40S1.25-24). 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 Square Bar: 1.25 in Thick, 0 in/-0.005 in, 1 1/4 in x 24 in Nominal Size (WxL), Mill (MPN 40S1.25-24). 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.
Alloy Steel Rectangular Bar: 0.5 in Thick, 0 in/-0.004 in, 3/4 in x 36 in Nominal Size (WxL), Mill (MPN 40F.5X.75-36). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.004 in; Certifications Included: Material Certificate with Lot Number.
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Alloy Steel Rectangular Bar: 0.5 in Thick, 0 in/-0.004 in, 3/4 in x 36 in Nominal Size (WxL), Mill (MPN 40F.5X.75-36). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.004 in; Certifications Included: Material Certificate with Lot Number.
Alloy Steel Rectangular Bar: 0.75 in Thick, 0 in/-0.004 in, 3 in x 6 in Nominal Size (WxL), Mill (MPN 40F.75X3-6). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.004 in; Certifications Included: Material Certificate with Lot Number.
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Alloy Steel Rectangular Bar: 0.75 in Thick, 0 in/-0.004 in, 3 in x 6 in Nominal Size (WxL), Mill (MPN 40F.75X3-6). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.004 in; Certifications Included: Material Certificate with Lot Number.
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Alloy Steel Rectangular Bar: 2.5 in Thick, 0 in/-0.008 in, 3 1/2 in x 36 in Nominal Size (WxL), Mill (MPN 40f2.5x3.5-36). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.008 in; Certifications Included: Material Certificate with Lot Number.
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