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APPROVED VENDOR Alloy Steel Rectangular Bar: 1.25 in Thick, 0 in/-0.008 in - High-Strength 4140 Alloy Steel Flat Bars
APPROVED VENDORHigh-Strength 4140 Alloy Steel Flat Bars

APPROVED VENDOR Alloy Steel Rectangular Bar: 1.25 in Thick, 0 in/-0.008 in

The Alloy Steel Rectangular Bar from APPROVED VENDOR is a High-Strength 4140 Alloy Steel Flat Bar, cold rolled and heat treatable, with a nominal size of 3 1/2 in x 6 ft and a thickness of 1.25 in. It features a…

SKU 3G-OTH-591201

Brand
APPROVED VENDOR
Item
Alloy Steel Rectangular Bar: 1.25 in Thick, 0 in/-0.008 in
Category
High-Strength 4140 Alloy Steel Flat Bars
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
40f1.25x3.5-72
Type
0 in/-0.008 in, Mill
Fabrication
Cold Rolled
Heat Treatable
Heat Treatable
Nominal Size (WxL)
3 1/2 in x 6 ft
Thickness Tolerance
0 in/-0.008 in
Certifications Included
Material Certificate with Lot Number
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Alloy Steel Rectangular Bar from APPROVED VENDOR is a High-Strength 4140 Alloy Steel Flat Bar, cold rolled and heat treatable, with a nominal size of 3 1/2 in x 6 ft and a thickness of 1.25 in. It features a thickness tolerance of 0 in/-0.008 in and includes a Material Certificate with Lot Number for traceability.

Frequently Asked Questions

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

This cold-rolled, heat-treatable 4140 alloy steel flat bar is used for high-strength structural components, shafts, gears, and tooling in industrial machinery and equipment. Its precise thickness tolerance and material certificate ensure traceability for critical applications.

What are the specifications of the APPROVED VENDOR 1.25 in thick alloy steel bar?

The bar is 1.25 in thick, 3 1/2 in wide, 6 ft long, cold-rolled, heat-treatable, with a thickness tolerance of 0 in/-0.008 in. It includes a Material Certificate with Lot Number. The manufacturer part number is 40f1.25x3.5-72.

Where to buy APPROVED VENDOR alloy steel rectangular bars worldwide?

3G Electric supplies and delivers APPROVED VENDOR alloy steel rectangular bars worldwide. We handle full logistics and customs clearance, ensuring you receive the correct material with traceability documentation. Contact us for availability and lead time.

How to select the right 4140 alloy steel flat bar for machining?

Select based on required thickness, width, length, and tolerance. This cold-rolled 4140 bar is heat-treatable for increased hardness. Verify the thickness tolerance (0 in/-0.008 in) and request a Material Certificate with Lot Number for traceability in critical applications.

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: 0.38 in Thick, 0 in/-0.004 in, 2 1/2 in x 6 in Nominal Size (WxL), Mill (MPN 40F.375X2.5-6). 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: 0.625 in Thick, 0 in/-0.005 in, 1 1/4 in x 36 in Nominal Size (WxL) (MPN 40f.625x1.25-36). 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: 0.625 in Thick, 0 in/-0.005 in, 1 1/4 in x 36 in Nominal Size (WxL) (MPN 40f.625x1.25-36). 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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