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APPROVED VENDOR Alloy Steel Rectangular Bar: 0.25 in Thick, 0 in/-0.007 in - High-Strength 4140 Alloy Steel Flat Bars
APPROVED VENDORHigh-Strength 4140 Alloy Steel Flat Bars

APPROVED VENDOR Alloy Steel Rectangular Bar: 0.25 in Thick, 0 in/-0.007 in

The APPROVED VENDOR Alloy Steel Rectangular Bar is a High-Strength 4140 Alloy Steel Flat Bar, cold rolled and heat treatable, with a nominal size of 3 in x 12 in and a thickness of 0.25 in. It features a thickness…

SKU 3G-OTH-591036

Brand
APPROVED VENDOR
Item
Alloy Steel Rectangular Bar: 0.25 in Thick, 0 in/-0.007 in
Category
High-Strength 4140 Alloy Steel Flat Bars
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
40F.25X3-12
Type
0 in/-0.007 in, Mill
Fabrication
Cold Rolled
Heat Treatable
Heat Treatable
Nominal Size (WxL)
3 in x 12 in
Thickness Tolerance
0 in/-0.007 in
Certifications Included
No Certificates Included
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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 nominal size of 3 in x 12 in and a thickness of 0.25 in. It features a thickness tolerance of 0 in/-0.007 in and is supplied as a mill finish with no certificates included (MPN 40F.25X3-12).

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 a smooth finish and tight tolerance, suitable for jigs, fixtures, and machine components.

What are the specifications of the APPROVED VENDOR 40F.25X3-12?

The APPROVED VENDOR Alloy Steel Rectangular Bar has a nominal size of 3 in x 12 in, thickness of 0.25 in, and thickness tolerance of 0 in/-0.007 in. It is cold rolled, heat treatable, mill finish, with no certificates included (MPN 40F.25X3-12).

Where to buy APPROVED VENDOR Alloy Steel Rectangular Bar worldwide?

3G Electric supplies the APPROVED VENDOR Alloy Steel Rectangular Bar to worldwide customers. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine industrial materials. Contact us for availability and lead time on this 4140 alloy steel flat bar.

How to select the right thickness tolerance for a 4140 flat bar?

For precision applications like jigs or dies, choose a tight tolerance such as 0 in/-0.007 in to ensure dimensional accuracy. Cold rolled bars like this APPROVED VENDOR 4140 alloy steel offer consistent thickness. Always verify your machining allowance and heat treatment requirements 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 Rectangular Bar: 0.25 in Thick, 0 in/-0.007 in, 1 in x 12 in Nominal Size (WxL), Mill (MPN 40F.25X1-12). Key specifications — Brand: APPROVED VENDOR; Fabrication: Cold Rolled; Heat Treatable: Heat Treatable; Thickness Tolerance: 0 in/-0.007 in; Certifications Included: No Certificates Included.
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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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Alloy Steel Square Bar: 1 in Thick, 0 in/-0.009 in, 1 in x 6 ft Nominal Size (WxL), Cold Rolled (MPN 40S1-72). 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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