Joshi
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21 lines
1.8 KiB
Plaintext
21 lines
1.8 KiB
Plaintext
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title: Hot-dip Galvanizing / Galvalume Coating Line
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slug: zinc
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desc: Hot-dip galvanizing/galvalume coating refers to covering a layer of zinc or zinc-aluminum alloy on the surface of steel strip via the hot-dip coating method. It features strong cathodic protection performance, enabling it to be widely used in various fields such as industry, agriculture and construction, and has become one of the most extensively applied coating products nowadays.
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cover: /images/zinc-cover.png
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images:
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- /images/zinc-1.png
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- /images/zinc-2.png
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properties:
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- Line Types: Horizontal type, vertical type, combined horizontal-vertical type
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- Processing Specification/Thickness: Cold-rolled strip / min 0.12mm, max 2.5mm; Hot-rolled strip / min 1.5mm, max 5mm
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- Processing Specification/Width: min 550mm, max 1500mm
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- Line Process Section Speed: max 200m/min (240m/min for GL)
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- Continuous Annealing Furnace/Furnace Type: Horizontal type, vertical type, combined horizontal-vertical type (L-type)
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- Continuous Annealing Furnace/Heating Method: Gas-fired non-oxidizing heating (NOF), gas-fired radiant tube heating (RTF), electric radiant tube and resistance strip heating
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- Continuous Annealing Furnace/Cooling Method: Protective gas conventional jet cooling, high-hydrogen high-speed jet cooling
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- Zinc Pot: Jet-flow ceramic induction zinc pot (GL with pre-melting pot)
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- Air Knife: Advanced single-nozzle air knife, multi-chamber air knife
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- Temper Mill: 300T-800T, roll wet tempering
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- Energy-saving Measures: High-efficiency radiant tube combustion air heat exchanger, flue gas combustion air heat exchanger, flue gas hot air and hot water heat exchanger, thermal protective gas circulating injection for steel strip preheating, flue gas thermal radiation preheating of steel strip before non-oxidizing heating, lightweight fiber furnace lining
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