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APPROVED VENDOR Alloy Steel Rectangular Bar: 0.38 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: 0.38 in Thick, 0 in/-0.004 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 4 in x 12 in and a thickness of 0.38 in. It features a thickness…

SKU 3G-OTH-591323

Brand
APPROVED VENDOR
Item
Alloy Steel Rectangular Bar: 0.38 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.375X4-12
Type
0 in/-0.004 in, Mill
Fabrication
Cold Rolled
Heat Treatable
Heat Treatable
Nominal Size (WxL)
4 in x 12 in
Thickness Tolerance
0 in/-0.004 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 nominal size of 4 in x 12 in and a thickness of 0.38 in. It features a thickness tolerance of 0 in/-0.004 in and includes a Material Certificate with Lot Number (MPN 40F.375X4-12).

Frequently Asked Questions

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

This High-Strength 4140 Alloy Steel Flat Bar is used for precision machining, tooling, and structural components requiring heat treatable strength. Its cold-rolled finish and tight thickness tolerance suit jigs, fixtures, and mechanical parts in industrial manufacturing.

What are the specifications of the APPROVED VENDOR Alloy Steel Rectangular Bar?

The bar is 0.38 in thick, 4 in x 12 in nominal size, cold rolled, heat treatable, with a thickness tolerance of 0 in/-0.004 in. It includes a Material Certificate with Lot Number. The manufacturer part number is 40F.375X4-12.

Where to buy APPROVED VENDOR Alloy Steel Rectangular Bar worldwide?

3G Electric supplies the APPROVED VENDOR Alloy Steel Rectangular Bar worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 4140 alloy steel flat bar.

How to select the right thickness tolerance for alloy steel bars?

For precision applications, choose a tolerance like 0 in/-0.004 in to ensure consistent fit in assemblies. Cold-rolled bars offer tighter tolerances than hot-rolled. Verify the material certificate confirms the lot number for traceability in critical projects.

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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