Special-shaped Steel Grating
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  • Special-shaped Steel Grating

Special-shaped Steel Grating

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  • Commodity name: Special-shaped Steel Grating
  • Description
  • Common Specifications of Steel Grating

    Usually, the center spacing of flat steel is distinguished according to the series
    Series 1 - 30mm
    Series 2 - 40mm
    Series 3 - 60mm

    Center spacing of cross bars distinguished by type:
    Type A - 100mm
    Type B - 50mm

    1. Flat steel: Material is Q235 or stainless steel, with common flat anti-slip serrated and cross-section | types. Common specifications include 20x5, 25x5, 25x3, 32x3, 32x5, 40x5, 40x3, 50x5, 65x5, 75x6, 100x8, 100x10, etc. 2. Cross bars: Material is Q235 or 304 stainless steel round steel, twisted square steel, square steel, or hexagonal steel. Twisted square steel is made by twisting after drawing round wire into square wire, with common specifications of 5x5, 6x6, 8x8mm, etc.

    Common Steel Grating Safe Load Span and Deflection Relationship Table
    Series 1 (Flat steel center spacing 30mm)

    Note: To the left of the heavy line is the corresponding span under a uniform load of 4Kpa with deflection ≤5mm, which is the maximum deflection for comfortable pedestrian walking.

    Series 2 (Flat steel center spacing 40mm)

    Note: To the left of the heavy line is the corresponding span under a uniform load of 4Kpa with deflection ≤5mm, which is the maximum deflection for comfortable pedestrian walking.

    Series 3 (Flat steel center spacing 60mm)

    Note: To the left of the heavy line is the corresponding span under a uniform load of 4Kpa with deflection ≤5mm, which is the maximum deflection for comfortable pedestrian walking.
     

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