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Cold Rolled Steel Sheet (TOP)
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Cold rolled steel sheet (TOP) is highly regarded in the industry for products developed by Toyo Kohan at an extreme thinness of 0.025 mm with a mirror-like beautiful finish, and by obtaining deep drawing materials. |
Uses
From the industry standard to the leading edge, helping the world we live.
* Click the photos to enlarge.
Battery Parts
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| Dry cell battery cylinder | |
| Deep drawing process available. |
Vehicle Related
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| Door insert | Spark plug parts |
| Strong strength to reduce weight. | Product withstands overprocessing. |
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| Wheel cover | |
| Achieves a beautiful, mirror-like appearance. |
Electrical & Electronic Components
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| Cathode-ray tube TV shadow mask materials | Bearing retainer |
| Precision etching process products. |
Types and Features
Superb processibility
- Enables a wide range of steel selection, and mechanical characteristics control according to various needs thanks to fragmented tempering.
Superb size accuracy and shape
- Obtains superb size and thickness accuracy & shape through cutting edge equipment and operation technologies like advanced press rolled automated sheet thickness control.
Beautiful surface finishing
- Obtains a beautiful appearance according to various needs from carefully polished rolls and their types.
Mirror finish also available.
Enables super thin product manufacturing.
- Enables manufacturing up to 25 microns in the foil category.
| Standards Codes (Comparable JIS Standards G 3141) |
Features | Examples of Use |
|---|---|---|
| SPCC | (General purpose) Perfect for bending process and simple tie process, and product types with a range of use. |
Binders, bearing retainers, automobile wheel covers, etc. |
| SPCD | (For ties) Sheet sheets with superb tie and steel sheets for tie with little disparity in characteristics. |
Radiator fins, lead frame, burnable conduit tubes, etc. |
| SPCE | (For deep ties) Obtains a beautiful surface skin even after deep tie processing through steel sheets possessing superb deep tie with crystal grain adjustments. |
Dry cell inner cylinder, oil cooler, etc. |
| Standards Codes (Comparable JIS Standards G 3311) |
Features | Examples of Use |
|---|---|---|
| S35CM S45CM S50CM |
To obtain high strength, use medium carbon steels in materials, and manufactured under strict controls similar to polished hoop steel. | Baling hoops, etc. |
| Designation | Features | Examples of Use |
|---|---|---|
| SF | An ultra thin steel sheet manufactured using a cold roll method used for applications very close to foil. | Dry cell battery electrode sheets, etc. |
