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APPROVED VENDOR Alloy Steel Rectangular Bar: 1 in Thick, 0 in/-0.005 in - High-Strength 4140 Alloy Steel Flat Bars
APPROVED VENDORHigh-Strength 4140 Alloy Steel Flat Bars

APPROVED VENDOR Alloy Steel Rectangular Bar: 1 in Thick, 0 in/-0.005 in

The APPROVED VENDOR Alloy Steel Rectangular Bar is a High-Strength 4140 Alloy Steel Flat Bar, cold rolled and heat treatable, with a thickness tolerance of 0 in/-0.005 in and nominal size of 3 1/2 in x 6 ft. It…

SKU 3G-OTH-591118

Brand
APPROVED VENDOR
Item
Alloy Steel Rectangular Bar: 1 in Thick, 0 in/-0.005 in
Category
High-Strength 4140 Alloy Steel Flat Bars
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
40F1X3.5-72
Type
0 in/-0.005 in, Mill
Fabrication
Cold Rolled
Heat Treatable
Heat Treatable
Nominal Size (WxL)
3 1/2 in x 6 ft
Thickness Tolerance
0 in/-0.005 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 Rectangular Bar is a High-Strength 4140 Alloy Steel Flat Bar, cold rolled and heat treatable, with a thickness tolerance of 0 in/-0.005 in and nominal size of 3 1/2 in x 6 ft. It includes a Material Certificate with Lot Number (MPN 40F1X3.5-72).

Frequently Asked Questions

What is the APPROVED VENDOR Alloy Steel Rectangular Bar used for?

This high-strength 4140 alloy steel flat bar is used in industrial machining, tooling, and structural applications where strength and heat treatability are required. It is cold rolled for tight tolerances and includes a Material Certificate with Lot Number for traceability.

What are the specifications of the APPROVED VENDOR 40F1X3.5-72?

The APPROVED VENDOR 40F1X3.5-72 is a cold-rolled, heat-treatable 4140 alloy steel rectangular bar. Nominal size is 3 1/2 in x 6 ft, thickness tolerance is 0 in/-0.005 in, and it includes a Material Certificate with Lot Number.

Where to buy APPROVED VENDOR alloy steel bars worldwide?

3G Electric supplies and delivers APPROVED VENDOR alloy steel bars worldwide. We handle full logistics and customs clearance for global orders, ensuring you receive the correct material with certified traceability.

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

Select a heat-treatable grade like 4140 alloy steel, which offers good hardenability and strength. Confirm the thickness tolerance meets your machining requirements, and always request a Material Certificate with Lot Number for quality assurance.

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/-0.009 in, 2 in x 12 in Nominal Size (WxL), Mill (MPN 40F1X2-12). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.009 in; Certifications Included: Material Certificate with Lot Number.
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Alloy Steel Rectangular Bar: 0.5 in Thick, 0 in/-0.007 in, 4 in x 12 in Nominal Size (WxL), Mill (MPN 40F.5X4-12). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.007 in; Certifications Included: Material Certificate with Lot Number.
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Alloy Steel Square Bar: 1.75 in Thick, 0 in/-0.006 in, 1 3/4 in x 24 in Nominal Size (WxL), Mill (MPN 40S1.75-24). 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: 1.75 in Thick, 0 in/-0.006 in, 1 3/4 in x 24 in Nominal Size (WxL), Mill (MPN 40S1.75-24). 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.
Alloy Steel Rectangular Bar: 2 in Thick, 0 in/-0.008 in, 3 1/2 in x 36 in Nominal Size (WxL), Mill (MPN 40f2x3.5-36). 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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