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APPROVED VENDOR Alloy Steel Square Bar: 1.25 in Thick, 0 in/-0.005 in, 1 1/4 in x 36 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: 1.25 in Thick, 0 in/-0.005 in, 1 1/4 in x 36 in Nominal Size (WxL)

The APPROVED VENDOR Alloy Steel Square Bar is a high-strength 4140 alloy steel flat bar, cold rolled and heat treatable, with a nominal size of 1 1/4 in x 36 in and a thickness tolerance of 0 in/-0.005 in. It…

SKU 3G-OTH-591132

Brand
APPROVED VENDOR
Item
Alloy Steel Square Bar: 1.25 in Thick, 0 in/-0.005 in, 1 1/4 in x 36 in Nominal Size
Category
High-Strength 4140 Alloy Steel Flat Bars
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
40S1.25-36
Type
0 in/-0.005 in, Mill
Fabrication
Cold Rolled
Heat Treatable
Heat Treatable
Nominal Size (WxL)
1 1/4 in x 36 in
Thickness Tolerance
0 in/-0.005 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 Square Bar is a high-strength 4140 alloy steel flat bar, cold rolled and heat treatable, with a nominal size of 1 1/4 in x 36 in and a thickness tolerance of 0 in/-0.005 in. It includes a Material Certificate with Lot Number for traceability.

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 Alloy Steel Square Bar used for?

This high-strength 4140 alloy steel square bar is used for machining shafts, gears, and tooling components that require heat treatable strength and dimensional stability. It is commonly specified in industrial maintenance, custom fabrication, and OEM replacement applications across multiple sectors.

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

The bar is cold rolled 4140 alloy steel, heat treatable, with a nominal size of 1 1/4 in x 36 in and a thickness tolerance of 0 in/-0.005 in. It includes a Material Certificate with Lot Number for full traceability. The manufacturer part number is 40S1.25-36.

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

3G Electric supplies the APPROVED VENDOR Alloy Steel Square Bar to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote and lead time on this heat treatable 4140 alloy steel bar.

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

Select a cold rolled, heat treatable grade like 4140 alloy steel with a thickness tolerance matching your machining allowance. Verify the Material Certificate with Lot Number for traceability. For the APPROVED VENDOR bar, the 0 in/-0.005 in tolerance ensures consistent dimensions after heat treatment.

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: 0.625 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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