Custom Stainless Steel Pressure Vessels

At Alloy Products Corporation, we are recognized as a world leader in the field of custom and general purpose vessel fabrication. We have been in business since 1929, and our products have set new industry standards for quality. Continual investment in the latest manufacturing technologies combined with our deep industry insight allows us to develop fresh approaches and innovative strategies for pressure vessel design and fabrication.

We utilize sophisticated CAD tools to ensure our products conform to the heat transfer, agitation, and hygienic requirements of your individual application. Built to meet or exceed ASME, UN, or DOT codes, we use only premium quality materials including stainless steel, Hastelloy., Monel., and duplex steel grades. We operate two large manufacturing plants housing state-of-the-art machine tools, welding equipment, and electropolishing facilities. Various automation technologies ensure precise and repeatable production of vessels in almost any configuration from one liter to 500 gallons in size. Options are numerous and include items such as valves, closure assemblies, dip tubes, level gauges, and more. Our ISO 9001:2015 quality control system ensures that your products have been properly constructed, tested, and inspected according to the most rigorous standards.

Over the past 85+ years, we have accumulated extensive experience in fabricating pressure vessels for some of the most challenging and complex applications in many industrial markets. In addition to our custom products, we maintain a large inventory of ASME general purpose, portable, hygienic, and UN pressure vessels available for immediate shipment. More detailed information about our products and capabilities can be found in the table below. Contact us at any time for a quote.