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Stainless Steel Plate Manufacturers and Suppliers

IQS Directory is a top industrial directory listing of leading industrial stainless steel plate manufacturers and suppliers. Access our comprehensive index to review and source stainless steel plate manufacturers with preview ads and detailed product descriptions. These stainless steel plate companies can design, engineer and manufacture stainless steel plate to your specifications and application need. A quick and easy to use request for quote form is provided for you to contact these stainless steel plate manufacturers and suppliers. Each company has detailed profile information, locations, phone number, website links, product videos and product information defined. Read customer reviews and product specific news articles. We are the right resource for your information requirement whether its for a manufacturer of stainless steel plate types, flat stainless steel, stainless steel plate slabs.

  • Sound Beach, NY 631-821-1101

    Source 21, Inc. is an ISO certified domestic producer and processor. With specialized capabilities, they promise to match your needs. They ensure conformance to rigid specifications to be certain that all products come out precise and with the highest levels of quality. For all stainless steel plate and other product needs, be sure to contact Source 21 today.

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  • Chester, NY 845-469-3899

    Cada Stainless & Alloys has the stainless steel tubing that you need. We also specialize in the supply of stainless steel strips and coils, providing many finishing options, processing options, and other customization options. Check out our extensive offering of stainless steel products in our online catalog and connect with us for more information. Our company is ISO 9001:2008 certified.

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  • Long Island City, NY 800-767-9494

    Our stainless steel plate sticks out as a leader in the industry. Our innovative processes and unique customized order system keep our customers coming back for years! We don’t collect customers, we build life-long relationships! Our customers trust us with every detail for their stainless steel. Find out why we are the best at our website, or give us a call today!

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  • Pompton Plains, NJ 800-838-1978

    Our company may have started small, but we quickly grew to handle the largest aluminum orders. Our metals are made from the highest quality materials, and we pledge to offer superior service to all our customers. We don’t want customers who use us one time, we want to establish lifelong relationships with customers that last generations. Contact us for more info!

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  • Monroe, CT 475-231-1090

    As a metal supplier with over 100 years of combined experience, it is our goal to help our clients succeed in their business by offering a versatile range of stainless steel products and unmatched customer service. If your stainless steel products still do not meet your specifications, we have the capabilities to do additional machining to ensure you have the product you need. To learn more about our capabilities, contact us today!

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  • Minneapolis, MN 800-522-5950

    At Coremark, we have a full line of stainless steel plate, bar, sheet, tubing, and various other shapes. We have the capabilities to laser cut, shear, and fabricate stainless steel according to yur exact specifications. Our stainless steel is available either cut to size or at full length. Our team of metal experts are available to assist with any custom project. Contact us today to request a quote!

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  • Streetsboro, OH 440-287-0150

    Integrity Stainless is a distributor of stainless steel sheets, coil and strip coil. Since 2005, we have been offering cost effective stainless steel solutions for fabricators and manufacturers across the United States. We are committed to providing the ultimate customer service experience. We deal in prime and secondary stainless steel.

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businessIndustry Information

Stainless Steel Plate

Stainless steel plates, also known as flat stainless steel, are rectangular slabs of the iron ore alloy whose uniform thickness is greater than that of stainless steel sheets. Many manufacturers consider slabs with a thickness between 0.25 inches and 0.5 inches to be plates. This common stock form is occasionally used as the end product, but more typically will undergo further manufacturing processes.

Stainless steel plates are ideal for a long list of industrial parts manufacturing processes such as welding, drilling, machining, shearing and forming. Building, construction, automotive, electronics, aerospace, marine, electronics, chemical processing, residential and many other industries commonly use stainless steel plates for components ranging from pipelines to protective plating to oil rigs. Such applications favor stainless steel plate for more than its workability. The material is well known for its superior resistance to rust, wear and corrosion even in harsh environments. Additional qualities of stainless steel plate will vary depending upon the specific grade of material used, but include tensile strength, high ductility, strength to weight ratio, impact and heat resistance, longevity and hardness. Each of these should be considered with regard for the intended use of stainless steel as should thickness, gauge thickness, overall width and overall length.


Like all stainless steel products, plates begin either as recycled or raw materials which must be heated or melted to their re-crystallization temperature, allowing the mixture to homogenize while burning out any unwanted impurities. Though the specifics vary among the dozens of grades of stainless steel, each is composed primarily of iron ore with at least 10% chromium. The high concentration of chromium is what gives stainless steel its name and several of its most advantageous qualities. The alloyed chromium forms a "passivation" layer of chromium oxide on the surface of the stainless steel plate or other stainless product. This protective layer is what prevents staining, wear and corrosion. Smaller amounts of carbon, nickel, molybdenum, silicone and aluminum are present in various combinations. Once thoroughly heated the material is rolled into sheets. Layers are compressed and forged into a single piece that has the desired dimensions. An alternative to this hot rolling process, steel plates may be made through cold rolling which instead forces cooled stainless steel ingots through progressively thinner rollers until the desired thickness is achieved. Steel service centers will often perform secondary processes such as sawing, heat treating, stress relieving, annealing, normalizing, cutting, testing, milling, deburring, straightening and more to deliver sheets as close to the end product as possible.

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Stainless Steel Plate Informational Video