Raw materials and coatings - basic training
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For construction professionals and sales personnel. The material will take you through the basics of raw materials and coatings as well as describes how to use them in different applications. After studying the material you will: * Know the basics of raw materials and coatings * Know the newest products in coatings * Get introduced to how different coatings and steel grades are used in construction applications * Know some technical performance of the coatings * Get a deeper overview of the two newest coating options * Get some important tips maintenance-wise Read more about steel coatings: ruukki.com/colourcoatedsteels ruukki.com/metalcoatedsteels
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Raw materials and coatings - basic training
- 1. Coil coated steel Raw material & coatings
- 2. Contents Production Production stages PVDF Coatings, main lines Steel grades Coatings, products
- 4. Production – raw materials Malmberget Luleå Raahe Gotland Import Porvoo Hämeenlinna Mustavaara (1 000 t) Iron ore 3 400 - Sweden 3 000 - Mauritania 300 - Finland 100 Coaking coal 1 200 - USA, Canada 800 - Australia 400 Blast furnace oil - Finland 300 Limestone - Sweden 650 Recycled steel 700 - bought 200 - own 500 Zinc 40 Alloying element 50 Paints 10 Million litres Oxygen 42 000 m 3 /h Electricity 1 100 GWh - bought 400 GWh - own 700 GWh Liquefied and natural gas 870 GWh
- 5. Production stages Cold rolling Metal coating *) Iron- making Steelmaking Production of tubular products; tubes , sections Plates, Prefabricated plate products Hot-rolled strip products Cold-rolled products Metal-coated products *) Colour-coated products Tubular products Plate rolling Hot strip rolling *) Hot-dip zinc-coated steels Galfan ® ; zinc-aluminium alloy coated steels Galvannealed; zinc-iron alloy coated steels Skip this part Mineral p roducts
- 6. Iron- and steelmaking Back to production map Limestone Iron concentrate Coal Oxygen Oil Sinter Pellets Coke Coking plant Sintering plant Oxygen plant Lime burning kilns Blast furnace Recycled steel Slab Desulphurisation Converter Ladle furnace Vacuum degassing Continuous casting Raw iron Steel Oxygen
- 7. Production of mineral products Extraction of recycled steel Back to production map Coal Iron concentrate Limestone Lime kilns Coking plant Sintering plant Pellets Sinter Coke Oil Oxygen Blast furnace Air cooling Granulation Desulphurisation Converter Recycled steel Oxygen Steel Ladle furnace Slag Slag Vacuum degassing Continuous casting Slab Blast furnace slag Mineral products to customers Slag Transportation of molten slag Crushing and screening Earthworks and road construction Agriculture Construction industry Flame cutting Recycled metals Process Customers
- 8. Plate rolling Direct quenching and accelerated cooling Hot leveller Pusher type slab reheating furnaces Slab Plate mill Normalising furnace Hot leveller Inspection Cooling banks Marking Pre-leveller Cold leveller Plasma cutting Flame/ mechanical cutting
- 9. Plate products Plates Jet cleaned and primed plates Precision cut and bevelled plates Jet cleaned and primed plates Shape flame- cut plates Wide flats Painting Bevelling Shape flame cutting Wide flat flame cutting Bending Curved plates Flame cutting Flame-cut plates Back to production map
- 10. Hot strip rolling Walking beam furnaces Finishing mill Coil box Vertical edger Strip cooling Coilers Slab Roughing mill
- 11. Strip products Back to production map Cut lengths Slit strips Pickled coils Pickling Slitting line Cut-to-length line Patterned plates Hot-rolled coils Hot-rolled coils Skin pass mill
- 12. Cold rolling and coating *) Hot-dip zinc-coated steels Galfan ® ; zinc-aluminium alloy coated steels Galvannealed; zinc-iron alloy coated steels Pickling Cold rolling Annealing Temper mill Metal coating *) Slitting Colour coating Cutting to length Cold-rolled steel sheets and coils Metal-coated *) steel sheets and coils Colour-coated steel sheets and coils Recoiling
- 13. Coil coating Back to production map 1424 mm
- 14. Tube production – longitudinally welded tubes Uncoiling Splicing Strip accumulator Forming Bundling, strapping and delivery Final inspection and marking Oiling and cutting Calibrating and shaping Cooling and testing Weld trimming HFI welding
- 15. Tube production – spirally welded tubes Back to production map Hot-rolled coil Forming, submerged arc welding and cutting Finishing, testing and inspection Delivery External PE coating Internal colour coating External PE coating
- 16. Section production Back to production map Uncoiler Coil opener Punching Leveller Profiling Levelling Cutting Bundling Strip welding
- 39. PVDF coating
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