What Is Stainless Steel?

Stainless steel plate is a flat rolled product that is 10 inches (254 mm) and over in width, 0.1875 inches (4.76 mm) and over in thickness. There are several grades of steel in which plate is available. Use the guide below to find out which is right for you.

Grade Description Applications
303 Free machining, good mechanical and corrosion resistant properties Mechanical and pharmaceutical components and parts
304/304L/304H General Purpose Chemical equipment, Pressure vessels, Cryogenic vessels, Dairy equipment, Nuclear vessels and components
316L Mo added to increase corrosion resistance Chemical processing equipment, Food processing equipment, Oil refining equipment, Paper industry digesters, evaporators & handling equipment
317L/317LMN More Mo and Cr added for better corrosion performance Chemical processing equipment, Dying equipment, Pulp and paper manufacturing equipment; Desalination equipment
321/321H Ti added to prevent carbicle precipitation Plate heat exchangers, Chemical equipment, Fire walls, Pressure tanks
347/347H Stabilized, excellent resistance to intergranular corrosion at elevated temperatures Radiant heaters, Aerospace components, Oil refining equipment
309S Cr and Ni increased for high temperature Annealing boxes, Chemical processing equipment (elevated temperature), Conveyor parts, Dryers
310S Same as 309, only more so Annealing boxes, Chemical processing equipment (elevated temperature), Conveyor parts, Dryers
410 General Purpose Press plates, Coal chutes, Oil burner parts
410S Restricted carbon modification that prevents hardening and cracking when exposed to high temperatures or welding Petroleum refining, petrochemical processing, ore processing, thermal processing, gate valves, press plates
LDX 2101 General purpose lean duplex possessing both superior strength and corrosion resistance comparable to 304L and 316L Air pollution control, biofuels, chemical processing, food and beverage processing, infrastructure, pulp and paper, desalination and water and wastewater treatment
2304 Improved strength and stress corrosion cracking compared to 304/316 Pulp & paper, Tanks, Digesters, Pharmaceutical, Food industry
2205 High strength and superior corrosion resistance Pressure vessels, Tanks, Piping, Scrubber systems, Digesters, Heat exchangers
2507 Exceptional strength and corrosion resistance Oil and gas equipment, Heat exchangers, Chemical processing vessels, Desalination
17-4PH Capable of precipitation hardening Aerospace, Pulp and paper, Valves, Fittings, Food industry, Nuclear waste casks
SSC-6MO 6% molybdenum superaustenitic alloy with outstanding resistance to chloride pitting, crevice corrosion and stress-corrosion cracking. Air pollution control, chemical processing, food and beverage processing, ore processing, offshore oil and gas production, petroleum refining, pharmaceutical processing, power
generation, pulp and paper, desalination

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