Combined Metals of Chicago

Combined Metals of Chicago

CMC

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    • About CMC – Bellwood Service Center
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    • Slit Coil – Service Center
      • Stainless Steel Slit Coil
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      • Stainless Steel Strip Coil
      • Nickel Strip Coil
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    • Cut-to-Length Sheet and Plate
      • Stainless Sheet & Plate
      • Carbon Steel, Aluminum, and Red Metals
    • Polished Stainless Steel
      • Stainless Steel Slit Coil
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      • Stainless Steel Coil
      • Aluminum Coil
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    • Rolled Strip & Slit Coil
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      • Rolled Strip & Slit Coil
      • Sheet
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      • View Current Job Openings
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Stainless Steel Slit Coil

Stainless Steel Slit Coil

Stainless steel slit coil is provided in 200,300, 400, and PH grades of stainless steel.  CMC’s, Bellwood, Illinois, stainless steel service center slits stainless coil to precision tolerances in gauges from Gauge:  0.002” – 0.120” in both annealed and tempered conditions and to widths from 0.188” – 51”.  Our wide capabilities range gives us a unique ability to supply all of your stainless slit coil needs.  Skiving/Coil Edging is also available in round, broken corner, or square edges.

A portion of the grades we supply is listed below.  If you don’t see the grade you need, contact us.

201ASTM A240ASTM A666 ¼, ½, ¾, FH
301ASTM A240ASTM A666 ¼, ½, ¾, FHExtra Full Hard & SpringAMS: 5901, 5517, 5518, 5902, 5519
304ASTM A240ASTM A666 ¼, ½, ¾, (302), FH (302)ASME SA 240
304LASTM A240ASTM A666 ¼, ½, ¾, (302), FH (302)ASME SA 240
316LASTM A240ASTM A666 ¼, ½ASME SA 240
321ASTM A240ASME SA 240
430ASTM A240ASME A240
439ASTM A240ASME A240
17-7ASTM A693ASTM 313 springAMS: 5528, 5678, 5824

What is Steel Coil Slitting?

Stainless steel coils can be rolled to whatever shape is desired, from there, it is put through a process known as steel coil slitting. What this process does is to remove slitting burr from the edge of the slit stainless steel. This makes the edge safe for whatever comes next. Full round edging can also be performed.

Steel coil slitting is a metal cutting process where large rolls or coils of sheet metal are cut using very sharp rotary blades. To achieve straight lines, they are cut length-wise into the large coil, creating narrower strips. Circular blades are responsible for making the cuts as the coil runs through the slitter. These are known as “knives” and can be moved to provide for varying widths.

Stainless steel can be slit into many different widths. Every application requires its own stainless steel coil slitting capability. Stainless steel slitting proficiencies mean that all materials sent in to slit are done so according to the exact qualifications that are necessary for that particular job.

How Stainless Steel Coil Slitting is Performed

A slitting machine has three main parts: an uncoiler, the slitter, and a recoiler. All elements must be perfectly aligned to ensure the success of the material. Factors such as knife clearance and cutter spacing must be calculated and aligned. It is critical that quality tooling and sharp knives are all in place for the job to be done correctly.

Most often, materials are slit on one of three slitters:

  • a 72” driven-head slitter
  • a 48” pull-through slitter
  • a 12” pull-through slitter

There is a correct machine for each application. This makes it easy to give the customer the exact standards they are looking for.

Widths vary, anywhere from 0.188” through 72”. Even for widths that need slitting that are less than 1.00”, we have that capability at Combined Metals of Chicago. Because stainless steel is so diverse these days, many customers require wider widths and rest assured that we have the capability for that as well.

Stainless steel slit coil has a standard width tolerance for narrow slit coil at +/- 0.005” and for wide coil is -0” /+ 062”. Whether your application is for a wide or a narrow cut, stainless steel coil slitting means you will receive coils ready to go and that also have minimal scrap.

Stainless Steel Slitting involves:

  • minimum burr
  • minimum camber
  • maximum flatness

This is critical to the shape of the material. Whatever shape specifications you require, CMC can produce stainless steel coil for this requirement. Our tolerances are often tighter than standard ASTM tolerances.

Slit Coil Stainless Steel is used in many and diverse applications. These include:

  • Dairy equipment
  • Milking machines
  • Still tubes
  • Chemical equipment
  • Coal hopper linings
  • Oil well filter screens
  • Shipping drums
  • Beer barrels
  • Pressure vessels
  • Evaporators
  • Cooling coils cryogenic vessels
  • Sanitary fittings and valves
  • Furnace parts
  • Television cones
  • Vaults
  • Tobacco machinery
  • Automotive trim and molding
  • Kitchen trim and equipment
  • Builders hardware
  • Zippers
  • Tubing, and more

Some of our most popular steels, including 304 stainless steel and 430 stainless steel, are even easier to work with when slit to your specifications.

304 Stainless Steel

This type of stainless steel is the most widely used of the stainless steels that are austenitic, and Chromium-Nickel. Its corrosion resistance is higher than 302, and its Carbon content is low. In its hardened state, Type 304 is non-magnetic and becomes slightly magnetic when cold-worked.

430 Stainless Steel

This type of stainless steel is ductile, and is fabricated by bending, pressing, drawing and heading. Type 430 stainless steel does not have as good corrosion resistance as the Chromium-Nickel steels.

This type of steel is suitable for many interior applications; things such as architectural and decorative household appliances as well as automotive body trim. Type 430 is the most popular of all straight Chromium stainless steels.

Slitting can be used equally well for both sheet and stainless steel slit coil. Every job requires that the blades are designed for the job at hand. Precision is the name of the game when it comes to steel coil slitting. When correct measurements and exact standards are paramount, you can contact our expert team of professionals at CMC to deliver the material you need.

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Helpful Links:

    - Request A Quote
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    - Coil Calculator
    - New Customer Credit App
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PRODUCTS

Slit Coil
Strip Coil
Cut-to-Length
Polished Coil
Buffed Coil
Circle Punching
Custom Finishes

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CORPORATE LOCATION

CMC
2401 W Grant Avenue
Bellwood, IL 60104
Phone: 708-547-8800
Toll Free: 800-323-0758
Fax: 708-547-8818
Email Us: cmcinfo@combmet.com

Other CMC Locations: