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Steel bar grating
(1)Bearing Bar (Load bar)specifications(mm):
The specifications of plain type and serrated type bearing bar is 20×3 to 100×6
The specifications of I-type is 25×5×3, 32×5×3, 38×5×3, 40×5×3, 50×5×3,50×7×4, 55×7×4, 60×7×4, 65×7×4, 70×7×4,75×7×4
(2)Bear bar pitch(center to center)
12.5, 15, 30, 34, 40, 60mm etc, also we can produce it as per customer's requirements. And 30,40,60mm are recommended. Americans Standard available.
(3) Cross Bar pitch(center to center)
38,50,76,100mm etc, also can be produced as per customer's requirements. And 50, 100mm are recommended. Americans Standard available.
(4) Material of steel bar gratings: Mild steel(Low carbon steel ) or stainless steel(GB700-88,GB1220-92)
(5) Surface treatment of steel bar gratings: Untreated, painting or Hot-dipped galvanization.
(6) Standards:
Standard of Grating | Standard of Steel | Standard of Galvanization | |
China | YB/T4001.1-2007 | GB700-88 | GB/T13912-92 |
USA | ANSI/NAAMM(MBG531-88) | ASTM(A36) | ASTM(A123) |
UK | BS4592-1987 | BS4360(43A) | BS729 |
Australia | AS1657-1985 | AS3679 | AS1650 |
Related products:
Steel bar grating, Mild steel grating, Stainless steel grating, Galvanized steel grating
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