After decades of operation at our Los Angeles branch, we are relocating—and that means it’s time for a major Moving Sale. In order to reduce what we need to transport, we’re offering deep discounts on our current inventory. We have an extensive selection available, far too much to list here. Visit us online at https://marmonkeystone.com…
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Marmon/Keystone LLC is proud to introduce a new feature on our website—a Metals Weight Calculator, now available under the Resources tab. This tool is designed to support our customers in planning more efficiently and accurately. The calculator enables precise material estimations by quickly determining the weight of metal components based on their shape, dimensions, and…
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Marmon/Keystone is proud to announce the launch of our newly redesigned website — a reflection of our ongoing commitment to innovation, customer service, and continuous improvement. The new site enhances the user experience with powerful tools such as Online Quoting, Online Shopping, a reference center, a Metals Weight Calculator, and an interactive map of all…
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July 4, 1776, marks a defining moment in history—the signing of the Declaration of Independence, granting the original 13 colonies freedom from British rule. This day holds special meaning for all Americans and resonates deeply with us at Marmon/Keystone, as the historic signing took place at Independence Hall, just five hours from our office in…
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Marmon/Keystone LLC offers a comprehensive selection of pipe products tailored for industrial and commercial applications. Our inventory includes stainless steel, carbon steel, and alloy pipes available in a wide range of sizes, grades, and specifications to accommodate diverse project needs. We proudly serve key industries such as construction, automotive, and oil & gas—providing dependable solutions…
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Marmon/Keystone LLC/ is a leading supplier of tube, pipe, and bar products, with a history that traces back to the oilfields of Pennsylvania. As part of the Marmon|Berkshire Hathaway family, we operate Distribution Centers across the United States, Canada, and Mexico. Our products serve a wide range of industries, including food and beverage, pharmaceuticals, automotive,…
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Marmon/Keystone LLC‘s JIC Hydraulic Tubing Welded J525 A214 is commonly used in medium-pressure hydraulic systems, particularly in the automotive, construction, and manufacturing industries. Its welded construction makes it suitable for fluid and gas transfer lines in vehicles, machinery, and heavy equipment. The tubing is ideal for applications requiring strength, flexibility, and resistance to corrosion, such…
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Marmon/Keystone LLC‘s Hydraulic Cylinder Tubing is engineered for high-performance applications requiring precision, durability, and reliability. Made from high-quality carbon and alloy steels, it provides excellent resistance to pressure, wear, and corrosion, making it ideal for hydraulic systems in industries like manufacturing, construction, and automotive. The tubing is available in a variety of sizes and wall…
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Drawn Over Mandrel (DOM) tubing is used in the oil and gas industry for its superior dimensional accuracy, smooth interior finish, and strength. It is employed in hydraulic systems, pipelines, and downhole tools, where precision, reliability, and resistance to high pressures are vital for efficient operations. Contact us today to order your DOM tubing.
