650/850mm Narrow Strip Hot Dip Continuous Galvanizing Line (cold rolled coil)
1. General Specification
This line is the cold rolled continuous galvanizing line, with the function of heating reduction, galvanizing (reserve aluminum zinc silicon plating), skin pass, tension leveling. The designed capacity is 100,000 tons per year, the line processing speed is Max. 200m/min. In the line processing section, it mainly to complete the technologies process like heating, reduction, galvanizing, skin pass, tension leveling, passivation, oiling, etc. The products quality is accordance with GB/T2518-2008 standard.
2. Raw Material
Raw material status | cold rolled coil |
Steel species | low carbon SPCC, SPCD, ST12, 08AL, 08F, Q195, Q215, Q235, Q345 etc. |
Tensile strength | Max. 800/mm² |
Yield strength | Max. 550N/ mm² |
Strip thickness | 0.2-1.2mm |
Strip width | 650/850mm |
Coil inner diameter | Φ508mm |
Coil Out diameter | Φ1300-Φ1900mm |
3. Finshed Products
Products species: GI coil
Coating weight: 40-300g/ m² (double side)
4. Technical Process
Coil loading → Decoiling →Head Cutting → Entry Looper → Degreasing → Heating Reduction → Galvanizing → Air Cooling → Water Quenching Cooling → Dry → Skin Pass → Passivation → Dry → Exit Looper → Oiling → Cutting → Recoiling → Coil Unloading.