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OEM 4140 Alloy Steel Flat Bar - High-Strength 4140 Alloy Steel Flat Bars
OEMHigh-Strength 4140 Alloy Steel Flat Bars

OEM 4140 Alloy Steel Flat Bar

The APPROVED VENDOR Alloy Steel Square Bar is a high-strength 4140 alloy steel flat bar with a nominal size of 2 1/2 in x 3 in and a thickness tolerance of 0 in/-0.006 in. This cold-rolled, heat-treatable bar…

SKU 3G-OTH-591159

Also listed as: 40S253 · 40S2 5 3 · 40S2-5-3

Brand
OEM
Item
4140 Alloy Steel Flat Bar
Part Number
40S2.5-3
Category
High-Strength 4140 Alloy Steel Flat Bars
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OEM
Manufacturer Part Number
40S2.5-3
Type
0 in/-0.006 in, Mill
Fabrication
Cold Rolled
Nominal Size (WxL)
2 1/2 in x 3 in
Thickness Tolerance
0 in/-0.006 in
Certifications Included
Material Certificate with Lot Number

Technical Documents

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OEM 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 with a nominal size of 2 1/2 in x 3 in and a thickness tolerance of 0 in/-0.006 in. This cold-rolled, heat-treatable bar includes a Material Certificate with Lot Number for traceability.

Frequently Asked Questions

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

This high-strength 4140 alloy steel flat bar is used in industrial machining, tooling, and structural applications where heat-treatable, cold-rolled steel with tight thickness tolerance is required. It is commonly sourced for jigs, fixtures, and precision components.

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

The bar has a nominal size of 2 1/2 in x 3 in, thickness tolerance of 0 in/-0.006 in, and is cold-rolled, heat-treatable 4140 alloy steel. It includes a Material Certificate with Lot Number for traceability. Manufacturer part number is 40S2.5-3.

Where to buy APPROVED VENDOR Alloy Steel Square Bar worldwide?

3G Electric supplies the APPROVED VENDOR Alloy Steel Square Bar worldwide, handling full logistics and customs clearance. We source this cold-rolled, heat-treatable 4140 steel bar with material certification to support global industrial procurement.

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

Select a thickness tolerance like 0 in/-0.006 in when your application requires precise fit in machining or assembly. Cold-rolled, heat-treatable 4140 alloy steel offers consistent dimensions and strength. Always verify the tolerance against your design specs and request a Material Certificate for lot traceability.

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OEM Products

3G Electric supplies OEM 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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