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Heavy Duty Galvanized Steel Welded Serrated Anti-slip Trench Cover Floor Bar Grating
Press-locked steel bar grating manufactured through a process of slotting, pressure lock plug insertion, and finishing. At the intersection points of flat steel and horizontal poles, the horizontal pole is pressed into the loading flat steel and securely fixed. In some configurations, flat steel may also be used for horizontal poles.
Applications
Technical Specifications
Material
Carbon Steel Q235 / Stainless Steel 304 / 316
Type
Press Locked / Flat Bar / Serrated Bar / I Bar
Bearing Bar Size
20 x 3 to 100 x 9 mm; I-section specifications: 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc.
Bearing Bar Pitch
12.5 to 100 mm (30, 40, 60mm recommended; American standard available)
Cross Bar Pitch
18.5 to 101.6 mm (50, 100mm recommended; American standard available)
Standard Specification
Bearing flat steel: 25x3mm / Center space: 30mm, 40mm, 50mm, 100mm
Horizontal pole: 10x2mm / Center space: 50mm, 100mm
Surface Treatment
Untreated / Painting / Hot Dip Galvanizing
Steel Standard
China GB700-88 / America ASTM (A36) / Britain ASTM (A36)
HDG Standard
China GB/T13912-92 / America ASTM (A123) / Britain BS729
Quality Standard
China YB/T4001-1998 / America ANSI/NAAMM (MBG531-88)
Britain BS4592-1987 / Australia AS1657-1992Bearing Bar Pitch Specifications
No.
Bearing Bar Pitch (mm)
Standard Panel Width (Bearing Bar Thickness 5mm)
Bearing Bar Number (PC)
Remark
1 12.5 1005 81 Pitch between the two sides are smaller than normal bearing bar pitch 2 15 1010 68 3 20 1010 51 4 22 995 46 5 23.85 1007 43 6 25 1005 41 7 30 995 34 8 30.16 1000 34 9 30.3 1005 34 10 32.5 1013 32 11 34.3 1000 30 12 35 1020 30 13 35.3 1029 30 14 40 1005 26 15 41 1030 26 16 41.4 999 25 17 50 1005 21 18 60 965 17 19 62 997 17
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