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APPROVED VENDOR Alloy Steel Rectangular Bar: 0.25 in Thick, 0 in/-0.004 in, 3 in x 6 in Nominal Size (WxL) - 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, 3 in x 6 in Nominal Size (WxL)

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 in x 6 in and a thickness of 0.25 in. It features a…

SKU 3G-OTH-591031

Brand
APPROVED VENDOR
Item
Alloy Steel Rectangular Bar: 0.25 in Thick, 0 in/-0.004 in, 3 in x 6 in Nominal Size
Category
High-Strength 4140 Alloy Steel Flat Bars
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
40F.25X3-6
Type
0 in/-0.004 in, Mill
Fabrication
Cold Rolled
Heat Treatable
Heat Treatable
Nominal Size (WxL)
3 in x 6 in
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

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 in x 6 in and a thickness of 0.25 in. It features a thickness tolerance of 0 in/-0.004 in and is supplied as a Mill type (MPN 40F.25X3-6). No certificates are included with this product.

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 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, and jigs. Its 0.25 in thickness and 3 in x 6 in nominal size suit precision machining and tooling applications across manufacturing and maintenance operations.

What are the specifications of the APPROVED VENDOR 40F.25X3-6 alloy steel bar?

The bar is 0.25 in thick with a 3 in x 6 in nominal size, cold-rolled fabrication, and heat treatable. Thickness tolerance is 0 in/-0.004 in. It is supplied as a Mill type (MPN 40F.25X3-6) with no certificates included. 3G Electric sources this APPROVED VENDOR product for global supply.

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 international orders. Contact us for availability and lead time on this cold-rolled, heat-treatable flat bar with 0.25 in thickness and 3 in x 6 in nominal size.

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

For precision fits, choose a thickness tolerance like 0 in/-0.004 in to ensure the bar does not exceed the maximum dimension. This APPROVED VENDOR cold-rolled bar is heat treatable, allowing post-machining hardening. 3G Electric can help match tolerance requirements to your application across 14 industrial departments.

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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