APPROVED VENDOR Alloy Steel Square Bar: 0.38 in Thick, 0 in/-0.004 in, 3/8 in x 12 in Nominal Size (WxL)
The APPROVED VENDOR Alloy Steel Square Bar is a cold-rolled, heat-treatable 4140 high-strength flat bar with a nominal size of 3/8 in x 12 in and a thickness tolerance of 0 in/-0.004 in (MPN 40S.375-12). Supplied as…
SKU 3G-OTH-591212
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Product Description
The APPROVED VENDOR Alloy Steel Square Bar is a cold-rolled, heat-treatable 4140 high-strength flat bar with a nominal size of 3/8 in x 12 in and a thickness tolerance of 0 in/-0.004 in (MPN 40S.375-12). Supplied as a mill product with no certificates included, it is interpreted and sourced by 3G Electric across 14 industrial departments, with specialist depth in combustion, pumps and controls.
Frequently Asked Questions
What is the APPROVED VENDOR Alloy Steel Square Bar used for?
This cold-rolled 4140 high-strength flat bar is used for precision machining, tooling, and structural components requiring heat treatability. 3G Electric sources it across 14 industrial departments, with specialist depth in combustion, pumps and controls.
What are the specifications of the APPROVED VENDOR Alloy Steel Square Bar?
The bar has a nominal size of 3/8 in x 12 in, thickness tolerance of 0 in/-0.004 in, is cold-rolled and heat treatable. It is supplied as a mill product with no certificates included (MPN 40S.375-12).
Where to buy the APPROVED VENDOR Alloy Steel Square Bar worldwide?
3G Electric supplies and delivers the APPROVED VENDOR Alloy Steel Square Bar worldwide, handling full logistics and customs clearance. Contact us for availability and lead time on this 4140 high-strength flat bar.
How to select the right thickness tolerance for an alloy steel bar?
For precision applications, match the thickness tolerance to your machining allowance. This bar offers a 0 in/-0.004 in tolerance, suitable for tight-fit assemblies. 3G Electric can help interpret your requirements across 14 industrial departments.
Used in
Common applications for APPROVED VENDORAPPROVED 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.









