STAINLESS STEEL - APLICATIONS
Compromisso com a qualidade.
  • 1 Petrochemicals
    Application - Platforms
  • 2 Naval
    Application - Ships
  • 3 Aeronautics
    Application - Aircraft
The stainless steel has a characteristic high corrosion resistance and temperature.
Types of Applications
• AISI 201 
It is known as the replacement for 304, but with lower levels of nickel. Commonly used in home appliances, decorative, ladders, hooks, knobs or other applications where exposure to corrosion is limited. The percentage of nickel is 3.50 to 5.50. 

AISI 202

Another substitute for 304, with the percentage of nickel higher than 201. Commonly used in home appliances, decorative, ladders, hooks, knobs or other applications where exposure to corrosion is limited. The percentage of nickel is 4.00 to 6.00. 

AISI 301 
Ara used for structural purposes, conveyor belts, utensils household, hardware, diaphragms, car decorations, equipment transport, aircraft, masts fittings, fasteners (staples, 
closures, cases), structural assemblies where high strength is required as in aircraft, automobiles, trucks, wagons and carts rail. 

AISI 303 
They are produced in automatic lathes and used for mechanical moderate panels as automotive, general machining, screws, nuts, nails, axes, ropes, locks, aircraft components, bushings, parts produced on automatic screw machines and other equipment machine. 

• AISI 304 
Utensils used in domestic, structural purposes, equipment chemical industry, shipbuilding, pharmaceuticals, textiles, Pulp and paper industry, oil refinery exchangers heating, valves and pipes, Industrial refrigeration, facilities cryogenic tanks, beer brewing, equipment for refining corn products, dairy equipment, dome to house atomic reactor plant, steam pipes, equipment and containers nuclear plants, parts warehouse of some carbonated drinks, drivers descendants of rainwater, rail cars, rails among others. 

AISI 304L 
Coating for coal hoppers, tanks spraying liquid fertilizer tanks for storage of tomato paste, when is necessary a carbon content less than 301 to restrict the type to carbide precipitation resulting from welding, particularly when parts may not be heat treated after welding; cars rail. 

• AISI 304H 
Equipment which requires a higher resistance at high temperatures coupled with greater need for weldability. 

AISI 309 
High temperature applications, pipe supports, dampers, boxes segmentation, deposits of drinks, shares of oil burners, refineries, equipment for chemical plant, parts of 
pumps, lining furnaces, boilers components, components furnace for steam engines,heaters, heat exchangers, Parts for jet engines and other purposes. 

• AISI 310 
Refractory steel for high temperature applications such as heaters air boxes annealing oven, screens of boiler steam, smelters, coatings, carriers and media furnaces, heat exchangers, furnaces locks, cylinder roller carriers, turbine components, cement box, equipment for manufacturing ink, media for dome oven components for gas turbines, heat exchangers, incinerators, components of burning oil, equipment for oil refinery stoves, pipe soot blower, furnace plates, chimneys and chimney furnace gates, combinations of the diaphragm nozzles for turbojet engines, vats of crystallization of nitrates, equipment for paper mill. 

AISI 314 
Used in cases of annealing, carburizing boxes, accessories tubes and heat treatments of radiation. 

• AISI 316 
Parts that require high resistance to localized corrosion, equipment for chemical, pharmaceutical, textile, oil, paper, pulp, rubber, nylon and dyes. Various parts and components used in shipbuilding, cryogenic equipment, equipment for photographic film processing, fermentation vats tools surgical. 

• AISI 316L 
Parts requiring high corrosion resistance located: Marine equipment industries, petroleum, chemical, pharmaceutical, textile, pulp and paper, rubber, nylon, paints, fermentation vats, 
parts of valves, tanks, coolers and mixers, condensers, parts exposed to marine atmosphere, parts of valves, pumps, when makes necessary a lower carbon content than type 304 to restrict carbide precipitation resulting from welding, particularly when parts can not be heat treated after welding, decorations, soldiers tanks for storing chemicals and organic coating for pans and ovens calcination. 

AISI 316Ti 
Better temperature resistance and the mechanical 316L - Generally equipment used in chemical and petrochemical industries. 

• AISI 317L 
Pipes on oil rigs, pulp and paper industry. 

• AISI 321 
For welded structures and parts subject to heating in the range of precipitation of carbides, aircraft collector rings, coating boilers, heaters, cabinets, wall cuts fire, vases pressurized exhaust system of oil under high pressure, coating chimney, aircraft parts, super radiant warmer, bellows, oil refinery equipment and decorative applications. 

• AISI 347 
Equipment and parts subject to intermittent heating (427-899 ° C) and welding without requiring further treatment. 

• AISI 410 
Valves, pumps, fasteners and locks, tube control heating plate for springs, Cutlery (knives, etc.). table plank, measuring instruments, screens, axis drives, machinery Mining, hand tools and keys. 

• AISI 420 
Material used in cutlery, surgical instruments and dental rules, gauges, gears, shafts, pins, bearings, ball and ball mill. 

• AISI 430 
Household utensils, coinage, gutters, washing machines clothing, nameplates, equipment for manufacture of acid nitric, fasteners, heaters, reflectors, sinks, cutlery (fork and 
spoon), automobile ornaments, coating the combustion chamber to diesel engines, doors for safes and sinks. 

• AISI 444 
Thermal conductivity greater than 304. 

• AISI 446 
Has the highest chromium content, corrosion resistance and oxidation high temperature series of ferritic steels. 

• AISI 904L 
Used in the production, storage and transportation of sulfuric acid and phosphoric acid, cellulose and paper industry. 

 

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