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.
Upon conclusion of our inventory count, we discovered a surplus on select items. Purchasing says it has to go so our excess could be your gain! We’re heavy in Hot Rolled Seamless Tubing, Carbon Pipe-Seamless, Carbon Pipe-Welded and Carbon Hydraulic Line. AND, no freight charges on orders over 5,000 lbs. Click through to our website to see a…
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We are excited to announce the promotion of Brad McQueen to Director of ERP Systems at Marmon Metal Services, based in our Ontario, Canada branch. Brad has worked with Marmon/Keystone for 37 years and has been instrumental in ERP development since 1993. With a strong background in technology leadership, and business process optimization, he has…
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Welded Stainless Tubing A269 from Marmon/Keystone LLC is extensively used in the marine industry for applications requiring resistance to corrosion and harsh environmental conditions. It is commonly used in the construction of seawater systems, exhaust systems, and heat exchangers, where its ability to withstand saltwater and extreme temperatures is crucial. A269 tubing is also utilized…
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Marmon/Keystone LLC provides a diverse range of rectangular and square tubing available in various sizes, materials, and grades—including stainless steel, carbon steel, and alloys. Our tubing solutions meet the demands of industries such as construction, manufacturing, automotive, and agriculture. Known for quality and consistency, Marmon/Keystone’s rectangular and square tubing supports structural, architectural, and mechanical projects.…
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