Marmon/Keystone LLC’s finished honed and suitable-to-hone hydraulic cylinder tubing A513 is widely used in hydraulic applications across industries such as construction and manufacturing. Engineered for smooth, high-precision surfaces, this tubing ensures optimal performance for hydraulic cylinders, pumps, and pistons. Its refined finish helps reduce wear and friction, extending the service life of machinery. From heavy-duty…
It is with profound sadness that the Marmon/Keystone family extends our deepest sympathies to everyone impacted by the tragic explosion at U.S. Steel. Your dedication, hard work, and sacrifices have not only strengthened communities but also helped build a nation. May you find comfort in cherished memories and in the lasting respect of all who…
Marmon/Keystone LLC’s JIC Hydraulic Tubing Seamless J524 A179 is engineered for high-pressure hydraulic applications in both the automotive and industrial equipment industries, where strength and reliability are critical. Its seamless design provides superior resistance to fatigue and pressure, making it well-suited for fluid transfer systems, hydraulic lines, and pumps. With excellent corrosion resistance and the…
Marmon/Keystone LLC’s square stainless tubing (A554) is a trusted choice across the transportation industry. It is commonly used in the manufacturing of structural components for vehicles, trailers, and railings, as well as in support frameworks for transportation equipment. Engineered for strength, corrosion resistance, and a clean appearance, A554 tubing is ideal for applications such as…
