WINFAST STEEL INDUSTRIAL LIMITED COMPANY
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Gold Index: 8392
Place of Origin: | Zhejiang, China (Mainland) |
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Roofings G90 Galvanized Steel Coils / Gl Coils 0.13mm - 3mm Thickness
Informations of our products
product name | Galvanized steel sheet |
thickness | 0.14mm-2.5mm |
width | 30mm-1500mm |
zinc coating | 30g,40g,60g, 80g, 90g,100g, 120g, 140g,180g, 200g, 250g, 275g and so on. |
standard | ASTM, AISI, DIN, GB,JIS |
material | Q195, SGCC, DX51D |
spangle | zero spangle, regular spangle or normal spangle |
surface treatment | chromated and oiled, chromated and non-oiled |
packing | export standard. |
payment | T/T, L/C |
min order | 25 tons (one 20ft FCL) |
coil weight | 3-8 ton or as client requirement. |
quality | soft annealed or hard quality |
Process of Galvanized steel coil
Pay off reel → double cut shear → welder-notcher → entry accumulator → pre cleaning section → furnace → hot bridle → zinc pot → air knife → after cooler → water quench → dryer → skin pass mill → dryer → tension leveler → dryer → chemical coater → chemical oven → cooler → exit accumulator → oiler → exit shear → tension reel.
Surface Treatment of Hot Dip Galvanized Steel Coil
Surface Treatment | Features |
Chemical passivating treatment |
minimize the chance of white rust froming during transit and strorage;
maintain the bright, shiny appearance for a longer time
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Oils | minimize the tendency for storage and transit stain |
Passivating oils | provide the protection from storage and transit stain by special chemcials called corrosion inhibitors |
Surface Finish of Hot Dip Galvanized Steel Coil
Surface finish | Pattern | Application |
Regular spangle | Standard spanlges with flower pattern | General uses |
Minimized spangle | Minimized spangles than regular | General painting application |
Zero spangle | Extremely minimized spangles | Special painti
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