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APPROVED VENDOR Alloy Steel Rectangular Bar: 0.25 in Thick, 0 in/-0.004 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/-0.004 in

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 2 1/2 in x 6 ft and a thickness tolerance of 0 in/-0.004 in (Mill type…

SKU 3G-OTH-591210

Brand
APPROVED VENDOR
Item
Alloy Steel Rectangular Bar: 0.25 in Thick, 0 in/-0.004 in
Category
High-Strength 4140 Alloy Steel Flat Bars
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
40F.25X2.5-72
Type
0 in/-0.004 in, Mill
Fabrication
Cold Rolled
Heat Treatable
Heat Treatable
Nominal Size (WxL)
2 1/2 in x 6 ft
Thickness Tolerance
0 in/-0.004 in
Certifications Included
No Certificates Included
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

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 2 1/2 in x 6 ft and a thickness tolerance of 0 in/-0.004 in (Mill type, MPN 40F.25X2.5-72). 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 high-strength industrial components such as shafts, gears, jigs, and fixtures. Its precise thickness tolerance of 0 in/-0.004 in suits machining applications requiring dimensional accuracy. 3G Electric supplies this bar for worldwide delivery.

What are the specifications of the APPROVED VENDOR 40F.25X2.5-72 alloy steel bar?

The bar is a high-strength 4140 alloy steel rectangular bar, cold rolled and heat treatable. Nominal size is 2 1/2 in x 6 ft (WxL), with a thickness tolerance of 0 in/-0.004 in. It is a Mill type (MPN 40F.25X2.5-72) and includes no certificates. 3G Electric sources this APPROVED VENDOR product globally.

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

3G Electric supplies APPROVED VENDOR 4140 alloy steel flat bars worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order the 40F.25X2.5-72 or other sizes. We source genuine industrial materials across 14 departments.

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

For precision machining, choose a thickness tolerance like 0 in/-0.004 in to ensure consistent fit in fixtures or assemblies. Cold-rolled 4140 bars offer better dimensional stability than hot-rolled. Confirm your application's required heat treatment and surface finish. 3G Electric can help match specs to your project needs.

Used in

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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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