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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 cold-rolled, heat-treatable 4140 alloy steel flat bar with a 0.25 in thickness, 2 in x 12 in nominal size, and a thickness tolerance of 0 in/-0.007 in (Mill…

SKU 3G-OTH-591418

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.25X2-12
Type
0 in/-0.007 in, Mill
Fabrication
Cold Rolled
Heat Treatable
Heat Treatable
Nominal Size (WxL)
2 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 cold-rolled, heat-treatable 4140 alloy steel flat bar with a 0.25 in thickness, 2 in x 12 in nominal size, and a thickness tolerance of 0 in/-0.007 in (Mill finish, MPN 40F.25X2-12). No certificates are included.

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 jigs, fixtures, machine parts, and tooling where strength and wear resistance are required. It is commonly applied in automotive, aerospace, and general manufacturing across 14 industrial departments.

What are the specifications of the APPROVED VENDOR 40F.25X2-12 alloy steel bar?

The bar is 0.25 in thick, 2 in x 12 in nominal size, with a thickness tolerance of 0 in/-0.007 in. It is cold-rolled, heat-treatable, mill finish, and manufactured by APPROVED VENDOR. No certificates are included. The MPN is 40F.25X2-12.

Where to buy APPROVED VENDOR 4140 alloy steel flat bars worldwide?

3G Electric supplies and delivers the APPROVED VENDOR 4140 alloy steel rectangular bar worldwide. We handle full logistics and customs clearance for global orders, ensuring you receive the correct material for your application. Contact us for availability and lead time.

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

For precision applications like jigs or dies, choose a tight tolerance such as 0 in/-0.007 in to minimize machining stock. For general fabrication, a standard tolerance may suffice. Always verify the required fit and finish against your design specs 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 ft Nominal Size (WxL), Mill (MPN 40F.375X2.5-72). 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: 0.38 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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