Stainless Steel Coil

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  • Stainless Coil
    Stainless Coil
    Specifications

    SUS304 chemical composition:

    The basic alloy. Type 304 (18-8) is an austenitic steel possessing a minimum of 18% chromium and 8% nickel, combined with a maximum of 0.08% carbon. It is a nonmagnetic steel which cannot be hardened by heat treatment, but instead. must be cold worked to obtain higher tensile strengths.

    The 18% minimum chromium content provides corrosion and oxidation resistance. The alloy's metallurgical characteristics are established primarily by the nickel content (8% mm.), which also extends resistance to corrosion caused by reducing chemicals. Carbon, a necessity of mixed benefit, is held at a level (0.08% max.) that is satisfactory for most service applications.

    The stainless alloy resists most oxidizing acids and can withstand all ordinary rusting. However, it will tarnish. It is immune to foodstuffs, sterilizing solutions, most of the organic chemicals and dyestuffs, and a wide variety of inorganic chemicals. Type 304, or one of its modifications, is the material specified more than 50% of the time whenever a stainless steel is used.
    Because of its ability to withstand the corrosive action of various acids found in fruits, meats, milk, and vegetables, Type 304 is used for sinks, tabletops, coffee urns, stoves, refrigerators, milk and cream dispensers, and steam tables. It is also used in numerous other utensils such as cooking appliances, pots, pans, and flatware.

    Type 304 is especially suited for all types of dairy equipment - milking machines, containers, homogenizers, sterilizers, and storage and hauling tanks, including piping, valves, milk trucks and railroad cars. This 18-8 alloy is equally serviceable in the brewing industry where it is used in pipelines, yeast pans, fermentation vats, storage and railway cars, etc. The citrus and fruit juice industry also uses Type 304 for all their handling, crushing, preparation, storage and hauling equipment.

    In those food processing applications such as in mills, bakeries, and slaughter and packing houses, all metal equipment exposed to animal and vegetable oils, fats, and acids is manufactured from Type 304.

    Type 304 is also used for the dye tanks, pipelines buckets, dippers, etc. that come in contact with the lormic, acetic, and other organic acids used in the dyeing industry.

    In the marine environment, because of it slightly higher strength and wear resistance than type 316 it is also used for nuts, bolts, screws, and other fasteners.  It is also used for springs, cogs, and other components where both wear and corrosion resistance is needed.
  • Stainless Steel Coils
    Stainless Steel Coils
    Specifications

    SUS304 chemical composition:

    The manufacture of quality stainless steel, from heat to heat and year to year, demands precise control of raw material ingredients and melting practices. Exact quantities of presorted scrap and alloying elements are delivered to the melting furnaces so that the heats or lots will be within specified composition ranges. Those composition ranges typically include a group of chemical elements for each grade of stainless steel.

    Following is a brief look at the alloying elements found in stainless steels and their functions.
    Chromium forms a surface film of chromium oxide to make the stainless steel corrosion resistant.
    It also increases the scaling resistance at elevated temperatures.
    Nickel stabilizes the austenitic structure and increases ductility, making stainless steel easier to form.
    It increases high temperature strength and corrosion resistance, particularly in industrial and marine atmospheres, chemical, food and textile processing industries.
    Silicon increases scaling resistance by forming a tight initial scale, which will withstand cyclic temperature changes.
    It resists carburizing at high temperatures and slightly increases tensile strength and hardness. Small amounts of silicon are added to all grades of stainless for deoxidizing.
    Manganese promotes the stability of austenite, at or near room temperature and improves hot working properties. Addition of up to 2% manganese has no effect on strength, ductility and toughness. Manganese is important as a partial replacement of nickel in 200 series stainless grades.
    Molybdenum increases corrosion resistance, strength at elevated temperatures, and creep resistance. It expands the
    range of passivity and counteracts tendency to pit especially in chloride environments.
    Aluminum is a very strong ferrite former and lowers the hardenability of stainless steel. It improves scaling resistance.
    Carbon strengthens stainless steel but promotes the formation of precipitates harmful to corrosion resistance.
    Columbium combines with carbon to reduce susceptibility to intergranular corrosion. It acts as a grain refiner and
    promotes the formation of ferrite.
    Copper is added to stainless steels to increase their resistance to certain corrosive environments. It also decreases susceptibility to stress corrosion cracking and provides age-hardening effects.
    Titanium combines with carbon to reduce susceptibility to intergranular corrosion. It acts as a grain refiner and promotes the formation of ferrite.
  • 304 Stainless Steel Coil
    304 Stainless Steel Coil
    Specifications

    SUS304L chemical composition:

    Type 304 stainless steel is a T 300 Series Stainless Steel austenitic. It has a minimum of 18% chromium and 8% nickel, combined with a maximum of 0.08% carbon. It is defined as a Chromium-Nickel austenitic alloy.
    Grade 304 is the standard "18/8" stainless that you will probably see in your pans and cookery tools.
    These are some of its characteristics:
    - Forming and welding properties
    - Corrosion/ oxidation resistance thanks to the chromium content
    - Deep drawing quality
    - Excellent toughness, even down to cryonegic temperatures which are defined as very low temperatures
    - Low temperature properties responding well to hardening by cold working
    - Ease of cleaning, ease of fabrication, beauty of appearance
    Grade 304L is the low carbon version of 304. It does not require post-weld annealing and so is extensively used in heavy gauge components (over about 6mm).
    Grade 304H with its higher carbon content finds application at elevated temperatures.

    Applications
    It is used for a wide variety of home and commercial applications, this is one of the most familiar and most frequently used alloys in the stainless steel family.
    Typical applications include tanks and containers for a large variety of liquids and solids:
    Food industry
    Food processing equipment, particularly in beer brewing, milk processing & wine making.
    For example it is highly suitable and applied in dairy equipment such as milking machines, containers, homogenizers, sterilizers, and storage and hauling tanks, including piping, valves, milk trucks and railroad cars.
    Very common in the brewing industry where it is used in pipelines, yeast pans, fermentation vats, storage and railway cars, etc.
    The citrus and fruit juice industry also uses Type 304 for all their handling, crushing, preparation, storage and hauling equipment.

    Domestic tools industry
    Because of its ability to withstand the corrosive action of various acids found in fruits, meats, milk, and vegetables, Type 304 is used for sinks, tabletops, coffee urns, stoves, refrigerators, milk and cream dispensers, and steam tables. It is also used in numerous other utensils such as cooking appliances, pots, pans, and flatware.

    Architectural panelling, railings & trim
    - Chemical containers, including for transport
    - Heat Exchangers
    - Woven or welded screens for mining, quarrying & water filtration
    - Dyeing industry
    - In the marine environment, because of it slightly higher strength and wear resistance than type 316 it is also used for nuts, bolts, screws, and other fasteners.
  • 316 Stainless Steel Coil
    316 Stainless Steel Coil
    Specifications

    SUS316 chemical composition:

    Types 316 , 316L , 317 and 317L are molybdenum-bearing austenitic stainless steels which are more resistant to general corrosion and pitting/crevice corrosion than the conventional chromium-nickel austenitic stainless steels such as Type 304. These alloys also offer higher creep, stress-to-rupture and tensile strength at elevated temperature. In addition to excellent corrosion resistance and strength properties, the Types 316, 316L, 317 and 317L Cr-Ni-Mo alloys also provide the excellent fabricability and formability which are typical of the austenitic stainless steels.

    Applications for Types 316 and 316L alloys include acetic acid compounds, brandy vats, corn products refining equipment, fasteners, kettles for cooking ketchup, pharmaceutical processing equipment, phosphate industry parts, photographic film processing equipment, pitting-corrosion resistance, pulp and paper processing equipment, smokestacks, textile finishing equipment, textile mill kiers, water softener tanks, wire cloth and screens (industrial) and yeast tubes.

    RESISTANCE TO CORROSION
    Types 316, 316L, 317 and 317L are more resistant to atmospheric and other mild types of corrosion than Types 302, 304 and 304L. In general, media that do not corrode Types 302, 304 and 304L, will not attack these molybdenum-containing grades. One known exception is highly oxidizing acids such as nitric acid to which the molybdenum-bearing stainless steels are less resistant.


  • Cold Rolled Stainless Steel Coil
    Cold Rolled Stainless Steel Coil
    Specifications

    SUS316 chemical composition:

    Technically, "stainless steel" is the name given to steels containing a minimum of 11% chromium. In practice, most stainless steels contain 18% chromium to improve corrosion resistance. Most stainless steels also contain nickel, to increase corrosion resistance still further.

    There are over 200 different types of stainless steel, each with a different range of properties. However, five types account for the bulk of usage, and Adelphi Coldstream products are generally made from two of these types, known as 304 and 316L grade.

    304 is an excellent general grade of stainless steel. 316L contains molybdenum and has a low carbon content (less then 0.03%), and has even better corrosion resistance than 304 grade. 316L is preferred in many instances, particularly in pharmaceutical, cosmetic, food and dairy applications.

    Stainless steel has outstanding resistance to corrosion and attack from a very wide range of chemicals and products. However, there are some situations where it is not suitable.
    Corrosion resistance depends on the temperature and concentration as well as the chemical composition of the product in contact with the stainless steel.
    200 Series Stainless Steels.
    300 Series Stainless Steels.
    400 Series Stainless Steels.
    600 Series Stainless Steels.


  • 316L Stainless Steel Coil
    316L Stainless Steel Coil
    Specifications

    SUS316L chemical composition:

    Type 316L stainless steel in a molybdenum bearing austenitic. It is more resistant to general corrosion and pitting than conventional nickel chromium stainless steels such as 302-304. It has the following characteristics:
    - Higher creep resistance
    - Excellent formability.
    - Rupture and tensile strength at high temperatures
    - Corrosion and pitting resistance

    Shapes vary based on the type of industrial application, e.g. wire, ribbon, strip, sheet and foil sizes to be used in cookware, cutlery, hardware, surgical instruments, major appliances, industrial equipment, and building material in skyscrapers and large buildings. For example, stainless steel cylinders and tanks are manufactured in 316 grade stainless steel, have proved to offer exceptional resistance in acidic and hard water areas.

    Market Applications:
    Chemical, pharmaceutical industry Surgical and medical tools, surgical implants Paper industry digesters, evaporators & handling equipment
    Petroleum refining equipment
    Textile industry equipment, textile tubing
    Scrubbers for environmental control
    Duct works, feed-water tubes, sewage water filters
    Heat exchanger tubes, ozone generators
    There are many industrial processes that require a higher level of resistance to corrosion than Type 304 can offer and therefore Type 316 is the answer.

    What does the L mean?
    L-grades have 0.03% carbon maximum. L-grades are resistant to sensitization in short-term exposures or heat treatments. L-grade often have slightly lower (typically 5,000 psi less) minimum strengths than standard stainless steels.
    Most standard grades of stainless steel have 0.08% maximum carbon and are suitable for use in non-welded parts and equipment; in case of welded applications these parts are used for light-gauge applications.
  • 430 Stainless Steel Coil
    430 Stainless Steel Coil
    Specifications

    SUS430 chemical composition:

    In the early nineteen hundreds, metallurgists noticed that chromium had a greater attraction to oxygen than iron did so they added the element chromium to steel. Studies prove that when at least 10% chromium was added, the chrome united with oxygen to form a very tight transparent layer over the steel surface that prevented rusting by precluding further oxidation. This transparent layer is self-healing
    when damaged by scratches, wear or denting.

    Stainless steels are materials of enduring beauty. These steels also withstand the corrosive attack of many acids. They possess strength and toughness at both extremes of the temperature scale, yet can be fabricated into intricate shapes for many uses. Because of this outstanding versatility, stainless deserves careful consideration for any product where one or more of the following requirements are involved:
    Corrosion Resistance
    Strength at Elevated Temperatures
    Strength and Ductility at Cryogenic Temperatures
    Oxidation Resistance at High Temperatures
    Appearance
    Abrasion Resistance

  • Stainless Coils
    Stainless Coils
    Specifications

    SUS430 chemical composition:

    There are more than 250 different stainless steels. These various grades of stainless are divided into five major families or classes.
     
    The general classes have been developed to consolidate the chemistries and mechanical properties required to meet specific customer application needs.

    Martensitic Stainless Steels
    These steels of the 400 series usually contain a minimum of 11.5% up to 18% chromium and have higher levels of carbon than ferritics.
    They are capable of being heat treated to a wide range of useful hardness and strength levels, and are used extensively in cutlery, sports knives and multipurpose tools.
    Ferritic Stainless Steels
    This group of steels in the 400 series contains 10.5% to 20% chromium for corrosion resistance and resistance to scaling at elevated temperatures. They are nonhardenable by heat treating and are always magnetic. Ferritic stainless is used in applications where resistance to corrosion is important, such as automotive emission control exhaust systems.
    Austenitic Stainless Steels
    Austenitic stainless steels are the most specified grades produced because of their excellent formability and corrosion resistance.
    All 200 and 300 series steels are austenitic and contain 15% to 30% chromium and 2% to 20% nickel for enhanced surface quality, formability and increased corrosion and wear resistance. They are non-magnetic in the annealed condition and depending on the composition, primarily the nickel content, they become
    slightly magnetic when cold worked. These steels are used for automotive trim, cookware, processing equipment and a variety of industrial applications.
    Precipitation-Hardening Stainless Steels
    Duplex Stainless Steels
We own a very gifted artisan talent pool which guarantees timely deliveries with top quality Stainless Steel Coil. All staff warmly welcomes the vast number of businessmen of foreign companies to create brilliant!

Our organization provides a wide range of Stainless Steel Coil to our clients at industry leading prices. We bring forth stainless steel tubing coils that are utilized in vast number of industries for respective industrial applications. Stainless Steel Slitted is made using premium quality steel so that it provides resistance from rust and ensures high strength. Fabricated using premium grade stainless steel at our vendors end, these stainless steel coils is available in different dimensions and specifications. These dimensionally accurate coils are offered by us in varied sizes and dimensions to suit the diverse requirements of the patrons. We comply with the prevailing industry standards and offer our clients coils that are dimensionally accurate along with high tensile strength. Our range is also made available in customized specifications as per the clients’ requirements. We have emerged as renowned name by offering quality Stainless Steel Coil. These are sourced from reliable vendors who are known for offering quality products. Available in different specification, these coils find usage in chemicals, fats & fertilizers, ship builders, steel plants, paper, sugar mills & distilleries, pumps and petrochemicals, cement and construction industries. The coils are recognized widely for their durability and efficiency. These coils are available in different shapes and sizes and are also fabricated as per the specifications detailed by the clients. We comply with the prevailing industry standards and offer our clients coils that are dimensionally accurate along with high tensile strength. Our range is also made available in customized specifications as per the clients’ requirements.
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