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APPROVED VENDOR Alloy Steel Square Bar: 0.25 in Thick, ±0.045 in, 3 in x 3 in Nominal Size (WxL) - High-Strength 4140 Alloy Steel Flat Bars
APPROVED VENDORHigh-Strength 4140 Alloy Steel Flat Bars

APPROVED VENDOR Alloy Steel Square Bar: 0.25 in Thick, ±0.045 in, 3 in x 3 in Nominal Size (WxL)

The APPROVED VENDOR Alloy Steel Square Bar is a high-strength 4140 alloy steel flat bar, hot rolled and mill finished, with a 0.25 in thickness and a nominal size of 3 in x 3 in. It is heat treatable and supplied…

SKU 3G-OTH-591030

Brand
APPROVED VENDOR
Item
Alloy Steel Square Bar: 0.25 in Thick, ±0.045 in, 3 in x 3 in Nominal Size
Category
High-Strength 4140 Alloy Steel Flat Bars
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
SHT-4140-0.25X3X3
Type
±0.045 in, Hot Rolled, Mill
Heat Treatable
Heat Treatable
Nominal Size (WxL)
3 in x 3 in
Thickness Tolerance
±0.045 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 Square Bar is a high-strength 4140 alloy steel flat bar, hot rolled and mill finished, with a 0.25 in thickness and a nominal size of 3 in x 3 in. It is heat treatable and supplied with a thickness tolerance of ±0.045 in, without included certifications.

Frequently Asked Questions

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

This 4140 alloy steel square bar is used for high-strength structural and mechanical applications such as shafts, gears, and tooling. It is heat treatable for increased hardness and wear resistance, making it suitable for industrial machinery and equipment across machining, power transmission, and material handling sectors.

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

The bar is 0.25 in thick with a nominal size of 3 in x 3 in, hot rolled and mill finished. It has a thickness tolerance of ±0.045 in, is heat treatable, and comes without included certifications. The manufacturer part number is SHT-4140-0.25X3X3.

Where to buy the APPROVED VENDOR Alloy Steel Square Bar worldwide?

3G Electric supplies the APPROVED VENDOR Alloy Steel Square Bar worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this 4140 alloy steel bar for your high-strength applications.

How to select the right alloy steel square bar for heat treating?

Select a bar that is explicitly marked heat treatable, like this 4140 alloy steel square bar from APPROVED VENDOR. Ensure the thickness tolerance (±0.045 in) meets your machining allowance. For heat treatment, follow standard practices for 4140 steel, including preheating and controlled quenching, to achieve desired hardness.

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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