Combined Metals of Chicago

Combined Metals of Chicago

CMC

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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.  Combined Metals stainless steel service center slits stainless coil to precision tolerances:

Stainless Steel Slit Coil Size Capabilities:

  • 0.002” – 0.120” in both annealed and tempered conditions
  • Widths from 0.188” – 51”

Our wide capabilities range (up to 51″) gives us a unique ability to supply all of your stainless slit coil needs.

Stainless Steel Slit Coil Added Processes:

  • Skiving/Coil Edging is also available in round, broken corner, or square edges.
  • Special Packaging
  • Polishing & Buffing
  • Cut-To-Length & Blanking

A portion of the grades we supply is listed below.  If you don’t see the grade you need, contact us.  Precision rolled slit coil is also available.

Stainless Steel Slit Coil Common Grades:

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 Slitter

Stainless steel rolling mills reduce coils to various thicknesses and widths. Once you arrive at the desired thickness the coil is then slit-to-width through a process known as steel coil slitting.

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.Rolled Strip and Slit Coil Slitter

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.

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.

316L Stainless Steel

Another widely used austenitic steel is 316 and 316L stainless steel, the corrosion performance of SS 304 is not enough, 316L is often consider as the first alternate.  The higher Nickel content in 316 and 316L over SS 304 and the Molybdenum addition in 316 and 316L gives it an edge in performance in corrosive and high temperature environments.

As with 304 and 304L, the difference between the 316 and 316L grades is the quantity of carbon contained. The L stands for low carbon, both L grades contain a maximum 0.03% carbon, while the standard grades can comprise up to 0.07% carbon. It may not seem like a big difference, but it means that L grade versions of stainless steel alloys suited better for the larger welding projects. The lower Carbon content of L grades reduces cracking in the heat affected zones of welds and improved weld quality.

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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CORPORATE LOCATION

Combined Metals
I Hauk Road
Hampshire, IL 60140
for deliveries see individual location information
Phone: 708-547-8800
Toll Free: 800-323-0758
Fax: 708-547-8818
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