30x100mm drainage steel grating shower drain grates trench drain cover/galvanized ms drain car park drainage steel grating
Material: Low carbon steel , Stainless steel, etc
Bearing Bar Width: 25mm, 30mm, 32mm, 40mm, 60mm, 80mm, etc
Bearing Bar Thickness: 2.5mm, 3mm, 4mm, 5mm, etc
Bearing Bar Pitch: 30mm, 40mm, 50mm, etc
Cross Bar Diameter: 5mm, 6mm, 8mm, etc.
Surface treatment: Hot dip galvanized, Untreatd, Stainless steel , etc
Hot dip galvanized steel grating tolerance
The allowed deviation of length is +0/-5mm, while the allowed deviation of width is +/-5 mm. The non-perpendicularity of bearing bar is allowed no more than 10% of width of bearing bar.
Cross bar surface should not surpass bearing bar surface 1mm, beginning & end of cross bar should not surpass the end surfaces of two sides of grating 2mm.
Learn more about the main components of metal bar grating
||Load carrying main element.
|Bearing Bars Spacing:
||Measure from center-to-center of the bearing bars in 1/16″ increments. Standard spacing for industrial flooring is 19/16″(1-3/16″) on center. Other popular spacings are 15/16″, 11/16″, 1/2″, and 7/16″ on center.
|Bearing Bars Depth:
||Ranges from 3/4″ to 7″ depending on anticipated loads.
|Bearing Bars Thickness:
||Ranges from 1/8″ to 1/2″ depending on anticipated loads.
||Used to Secure the position of bearing bars.
|Cross Bar Spacing:
||Measured from center-to-center of cross bars in 1″ increments. Standard spacing is 4″ or 2″ on center.
Steel grating standards:
A. China: YB/T4001-1998
B. USA: ANSI/NAAMM (MBG 531-88)
C. UK: BS4592-1987
D. Australia: AS1657-1988
E: Japan: JIS
Steel grating is widely used for work platforms. Catwalks, transportation
servicing areas and vehicle steps.
(1) Bandage and Paperboard: Generally applies to neat steel plate;
(2) Screw Locking Method: Use 4 screw rods through the aperture of the steel grid, for high strength;
(3) Steel Pallet: Traditional export packing.
How to order Steel Grating?
It’s better that you can provide drawings with detailed information like raw material, grating type, surface treatment,