32 X 5mm Steel Walkway Grating , Flat Hot Dipped Galvanised Steel Grating
steel grating
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we have more than 100 staff,and they are professional in manufacturing steel grating prices they have 20 years of experience in this part of manufacturing process.
We have a complete set of production line.
1. Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 25 x 3 to 100 x 8; 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.
2. Bearing Bar Pitch (center to center):
12.5, 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. >
3. Material:
Mild Steel (Low Carbon Steel) or Stainless Steel
4. Surface Treatment:
Untreated, Painting or Hot DIP Galvanizing
5. Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
E) Japan: JJS
Grating Standardizations:
| Countries | National Standards for Grating | Materials | Galvanizing Standards |
| China | YB/T 4001.1-2007 | GB 700-88 | GB/T13912-2002 |
| America | ANSI/NAAMM(MBG531-00) | ASTM(A36) | ASTM(A123) |
| Britain | BS4592-1995 | BS4360(43A ) | BS729 |
| Australia | AS1657-1992 | AS3679 | AS1650 |
Common specifications:
|
Type
|
Plain / Smooth, Serrated /teeth, I bar, serrated-I bar |
|
Steel flat size
|
20×3,25×3,25×5,30×3,30×4,30×5,32×3,32×5……120×10mm,etc. |
|
Color
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nickel white
|
|
Bearing bar pitch
|
20,25,32,35,40,45,50,60,65mm,ect
|
|
Cross bar pitch
|
50,100mm,ect
|
|
material
|
Low carbon steel, stainless steel, aluminum alloy
|
|
Surface treatment
|
Untreated, hot galvanized, painting,electro galvanized |
|
Grating Standard
|
China: YB/T 4001.1-2007 USA: ANSI/NAAMM(MBG531-88) UK: BS 4592-1-1995 Australia: AS 1657-1992 |
|
Material standard
|
China: GB 700-1988 UK: BS 4360(43A) USA: ASTM A36 AUSTRALIA: AS 3679 |
|
HDG standard
|
CHINA: GB/T13912-2002 UK: BS729 USA: ASTM A123 AUSTRALIA: AS 1650 |
Uses: welded steel grating prices is widely used in the platform,corriedor,bridge,well covers,stairs,fencing for petroleum,chemical, power plant,waste treatment plant,civil engineering projects and environmental projects.
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