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Z225 1.2mm 1250mm Galvanized Steel Coil GI Sheet Coil For Rolling Shutter Door

Shandong Decho Building Materials Technology Co., Ltd
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    Buy cheap Z225 1.2mm 1250mm Galvanized Steel Coil GI Sheet Coil For Rolling Shutter Door from wholesalers
     
    Buy cheap Z225 1.2mm 1250mm Galvanized Steel Coil GI Sheet Coil For Rolling Shutter Door from wholesalers
    • Buy cheap Z225 1.2mm 1250mm Galvanized Steel Coil GI Sheet Coil For Rolling Shutter Door from wholesalers
    • Buy cheap Z225 1.2mm 1250mm Galvanized Steel Coil GI Sheet Coil For Rolling Shutter Door from wholesalers
    • Buy cheap Z225 1.2mm 1250mm Galvanized Steel Coil GI Sheet Coil For Rolling Shutter Door from wholesalers

    Z225 1.2mm 1250mm Galvanized Steel Coil GI Sheet Coil For Rolling Shutter Door

    Ask Lasest Price
    Brand Name : Decho
    Model Number : Hot dip galvanised steel
    Certification : ISO 9001
    Price : 650~800USD
    Payment Terms : L/C, T/T
    Supply Ability : 800 tons/ day
    Delivery Time : 30~45days
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    Z225 1.2mm 1250mm Galvanized Steel Coil GI Sheet Coil For Rolling Shutter Door

    Hot-dip galvanizing is a process of coating steel with a thin zinc layer which used to halt the formation of rust. The surface treatment is done by passing the steel through molten zinc at high temperature.It provides long-term protection for steel products.

    The Zinc coating has corrosion resistance and sacrificial corrosion function which delay the production of red rust. The zinc coating of the hot dip galvanized steel is higher than electro-galvanized steel sheet so has better corrosion resistance.

    Surface structure of hot dip galvanized steel sheet and coil

    Surface structureCode No.FeaturesApplication
    Conventional spangleZSpangles condensated on zinc coating
    under normal conditions after galvanizing.
    Commercial purposes
    Small spangleXSurface in spangles smaller than
    conventional ones and due to controlled
    condensation of zinc coating.
    Applications where conventional
    spangles cannot meet the surface
    appearance requirements.
    Skin passed spangleGSurface structure after special skin
    pass treatment.
    Applications of high surface
    quality requirements, such as
    color coating base plates.
    Skin passed small spangleGX--
    Zero spangleNNo visible spangles on coating surface
    as a result of a special production process.
    -
    Zn-Fe alloyRNo spangle, gray, normally matterApplicable to further painting

    Surface treatment of hot dip galvanized steel sheet and coil

    ItemDescription
    Chromate treatment (L)Chromate treatment is a chemical treatment with an aim to prevent white rusts formed on product surfaces during transportation and storage.
    Oiling (Y)Oiling is to prevent white rusts formed on product surfaces during transportation and storage.
    Chromate treatment+ Oiling (LY)Chromate treatment+ Oiling (LY) This treatment with oiling after surface chromate treatment is to further avoid the forming of white rusts.

    JIS G 3302 galvanized steel sheet chemical composition

    GradeChemical Composition.% Max
    CMnPS
    SGHC0.150.80.050.05
    SGHC4000.251.70.20.05
    SGHC4400.2520.20.05
    SGHC4900.320.20.05
    SGHC5400.32.50.20.05
    SGCC0.150.80.050.05
    SGCH0.181.20.080.05
    SGCD10.120.60.040.04
    SGCD20.10.450.030.03
    SGCD30.080.450.030.03
    SGCD40.060.450.030.03
    SGC3400.251.70.20.05
    SGC4000.251.70.20.05
    SGC4400.2520.20.05
    SGC4900.320.20.05
    SGC5700.32.50.20.05

    Features Of Galvanized Steel Door

    • Well-sealed, Durable and compact
    • Available in many colors
    • Economical
    • Available in various sizes


    Z225 1.2mm 1250mm Galvanized Steel Coil GI Sheet Coil For Rolling Shutter DoorZ225 1.2mm 1250mm Galvanized Steel Coil GI Sheet Coil For Rolling Shutter Door


    Quality Z225 1.2mm 1250mm Galvanized Steel Coil GI Sheet Coil For Rolling Shutter Door for sale
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