Specification:
Material: ASTM A36/SS235JR/SS400/Q235B
Bearing Bar (Load Bar) Specifications (mm): The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 10; The specification of I-section type is 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 (center to center):
12.5, 15, 25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended,
America standard is available <1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1/4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4) and so on. >
Standard:
| Steel grating standard | Steel standard | Galvanizing standard | |
| China standard | YB/T 4001.1-2007 | GB700-88 | GB/T13912-2002 |
| USA standard | ANSI/NAAMM(MBG531) | ASTM(A36) | ASTM(A123) |
| U.K. standard | BS4592 | BS4360(43A) | BS729 |
| Australia standard | AS1657 | AS3679 | AS1650 |
Galvanized steel grating Features:
1) Bearing bar specification: 20 x 3 to 100 x 6
2) Bearing bar pitch: 12.5, 15, 30, 40, 60mm etc, also be according to client's requirement and 30, 40, 60mm are recommended
3) Cross bar pitch: 38, 50, 76, 100mm, also be according to client's requirement and 50, 100mm are recommended
4) Material: Mild steel or stainless steel
5) Surface treatment: Untreated, painting or hot DIP galvanizing
6) Steel Grating Standards:
A) China: YB/T4001-1998
B) USA: ANSI / NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
Galvanized steel grating Specification
Material: carbon steel
Surface treatment: hot-dipped galvanized
Widths: 2'or 3'
Lengths: 20' or 24'
Galvanized steel grating is available in: Grade 2 (Medium) or Grade 3 (Coarse)
Available in light duty and heavy duty
Available in welded, press-locked, swaged lock or flush mount construction
Galvanized steel grating Applications:
* Anti slip bridge decking
* Bridge walkway
* Drainage systems
* Fire truck platforms
* Mass transit platforms
* Marine and ship decks
* Mezzanines
* Non-slip walkways
* Non-skid pit covers
* Slip resistant platforms
* General Industries
* Truck platforms
* Vault covers
* Wet Decks
* Wastewater treatment plant grating
* Stair treads
