APPROVED VENDOR Alloy Steel Square Bar: 1.38 in Thick, 0 in/-0.005 in, 1 3/8 in x 24 in Nominal Size (WxL)
APPROVED VENDOR Alloy Steel Square Bar is a cold-rolled, heat-treatable 4140 high-strength flat bar with a nominal size of 1 3/8 in x 24 in and thickness tolerance of 0 in/-0.005 in. Supplied as mill type, it…
SKU 3G-OTH-591401
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Product Description
APPROVED VENDOR Alloy Steel Square Bar is a cold-rolled, heat-treatable 4140 high-strength flat bar with a nominal size of 1 3/8 in x 24 in and thickness tolerance of 0 in/-0.005 in. Supplied as mill type, it includes a Material Certificate with Lot Number for traceability.
Frequently Asked Questions
What is APPROVED VENDOR Alloy Steel Square Bar used for?
This 4140 alloy steel square bar is used for high-strength industrial components such as shafts, gears, and tooling. Its cold-rolled fabrication and heat-treatable properties make it suitable for applications requiring precise dimensions and mechanical performance across machining, power transmission, and general manufacturing.
What are the specifications of APPROVED VENDOR 40S1.375-24?
The APPROVED VENDOR 40S1.375-24 is a cold-rolled 4140 alloy steel square bar with a nominal size of 1 3/8 in x 24 in, thickness tolerance of 0 in/-0.005 in, and mill finish. It is heat treatable and includes a Material Certificate with Lot Number for full traceability.
Where to buy APPROVED VENDOR alloy steel square bar worldwide?
3G Electric supplies the APPROVED VENDOR 40S1.375-24 alloy steel square bar to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct material with certified traceability. Contact us for a quote and lead time.
How to select the right 4140 alloy steel bar for machining?
Select a 4140 alloy steel bar based on required strength, heat treatability, and dimensional tolerances. For precision machining, choose cold-rolled bars like the APPROVED VENDOR 40S1.375-24 with tight thickness tolerance (0 in/-0.005 in) and a Material Certificate for lot traceability. Confirm nominal size matches your application.
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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.









