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  • T1 Steel Grating Stair Treads - China

    price: contact company for price

    Serrated Bar Steel Grating
    Serrated Bar Steel Grating Supplier
    Our company produces complete steel ladders with hand railings which are made of grating treads. According to whether the nosing to be used and the methods of mounting to stringers, grating treads are classified into four types, expressed as T1, T2, T3 and T4. In view of economics it is advisable to use the recommended lengths and widths below
    SPECIFICATIONS
    T1 Welded Fixing without Nosing Type of Stair Treads Checkered plate nosing Structure Characteristics
    T1 NO For installation by welding, the two ends are closed with flat bars which are the same with the bearing bars in length. Without checkered plate nosing.
    Recommended Stair Treads Width T1, T2, T3, T4 Bearing bar at 30mm pitch 95 125 155 185 215 245 275
    T1, T2 Bearing bars 40mm pitch 125 165 205 245 285
    T3, T4 Bearing bars 40mm pitch 115 155 195 235 275
    Fixing hole centers 45 75 100 150
    Grating Size Grade CN: Q235, Q345, USA: A36, UK: 43A
    Standard CN: YB/T4001-1998, USA: ANSI/NAAMM, UK: BS4592-1987, AUS1657-1988, JJS
    Certification CE, GOST, ISO9001, ISO14001, HSE
    Bearing bar type Plain, Serrated (tooth-like), I bar (I section), Serrated-I
    Bearing bar size 20X5, 25X3, 25X4, 25X5, 30X3, 30X4, 30X5, 32X3, 32X5, 40X5, 50X4.75X8, 100X8mm, etc
    Bearing bar pitch 20, 25, 30, 32.5, 34.3, 40, 50, 60, 62, 65mm
    Cross bar size 5X5, 6X6, 8X8mm (twisted bar)/5, 6, 8mm ( round bar)
    Cross bar pitch 0, 50, 60, 65, 76, 100, 101.6, 120, 130mm, etc.
    Panel size 3x20ft, 3x24ft, 3x30ft, 5800x1000, 6096x1000, 6400x1000, as request
    Surface treatment Untreated, hot dip galvanized, cold dip galvanized, painted, powder coated, pickling, electrolytic polishing, or as customers' requirement.
    Galvanization Standard CN: GB/T13912, USA: ASTM (A123), UK: BS729
    Color Silver/Black
    Application petroleum and chemical, port, power, transportation, papermaking, medicie, steel and iron, food, municipality, real estate, manufacturing
    SURFACE TREATMENT Three ways of surface treatment can be adopted: galvanizing, painting and untreated, of which hot- dip galvanizing is recommended.
    Hot-dip galvanizing It is a form of galvanization. It is a process of coating steel grating with a thin zinc layer. By passing the metal through a molten bath of zinc, the average coating thickness is 70μm when steel bards range from 3mm to 5mm in thickness.
    Painting It is also a good way to get surface protective film. Coating thickness depends on the customer's choice.


    Company Contact:


    • Phone: 13256389268

    • Address: In the Qing Yang Industrial park District 31 Yunlong mountain Road, Fushan District Yantai City , Sh, yantai, shandong, China

    • Email: Email


    Published date: August 21, 2019 -

    • Business Description:

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