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Cold Roller SteelModify Date : 2020-07-24 14:06:41
This is the steel company's pride, Gibosteel.
Cold Roller Steel is a product that has a beautiful surface and has improved surface image and shape through a crude-rolled process after removing surface contamination from a clean line and heating it at 600-850°C in a sodun-ro for a certain period of time to ensure machinability.
| manufacturing process
1) Acid and cold-rolled rolled
Spray hot-rolled coil to remove iron oxide from the surface and roll it up to the target thickness to ensure the quality of the material suitable for the purpose.
2) Electric electrolyte cleaning
the process of removing rolled oil and dirt through a geometrical and chemical reaction by passing cold-rolled steel plates through alkali solutions prior to minimization.
3) Sodun (CAL)
Process for softening the materials of hardened steel under cold pressure, ensuring material and machinability through heat treatment by heating, cracking, rapid cooling, and cold cooling.
4) ISPM (SKIN PASS MILL)
Signaled at a 0.3-3.0% elongation rate for the plate name light adjustment, shape adjustment, etc. of Coil that has been cleared.
| main use
1) Cold-rolled steel plate - General cold-rolled steel plate
Pass Mill is used for general use in drums, refrigerator doors, furniture manufacturing, etc. For automotive applications, it is used in Roof, Fender, Hood, Quarter, Oil Pan, Quarter Spring House, etc.
2) Structural steel plates
Used for steel structures that do not process but require strength.
3) High-strength steel - General cold-rolled steel plate
Depending on S manufacturing method and final application, it is divided into general use, machining, cardiac processing, TRIP type high-power steel. It is mainly used in the production of the car's seat rail lever, parking brake, processing center floor, heart processing Fender, Hood, etc., and trip type high-power steel is used as a door or bumper.
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