Material: Mild Steel (Low Carbon Steel) , Aluminum, Galvanized, Aluminum, Stainless Steel
Type: Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating
Application: flooring walkway, platform and steel structures, stair tread, well cover, trench cover, compound gratings, storage shelves, ladder, fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.
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.
Specification List:
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Type |
W-- welded steel grating L-- pressure-locked C-- socket-welding |
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Bearing bar centers |
15-30, 40, 60, 80, 90 mm etc. with 30, 40 mm recommended. |
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Cross bar centers |
any greater than 30mm is ok. with 50, 100mm recommended. |
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Surface treatment |
G-hot-dip galvanization(G is usually omitted) P-painting U- untreated |
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Bearing bar shape |
F- plain surface (F is usually can be omitted) S-serrated surface I-the section is of ‘I’ type |
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Bearing bar pitch (mm) |
Cross bar Pitch (mm) |
Specification of bearing bar load width× thickness (mm) |
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20×3 |
25×3 |
32×3 |
40×3 |
20×5 |
25×5 |
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30 |
100 |
G203/30/100 |
G253/30/100 |
G323/30/100 |
G403/30/100 |
G205/30/100 |
G255/30/100 |
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50 |
G203/30/50 |
G253/30/50 |
G323/30/50 |
G403/30/50 |
G205/30/50 |
G255/30/50 |
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40 |
100 |
G203/40/100 |
G253/40/100 |
G323/40/100 |
G403/40/100 |
G205/40/100 |
G255/40/100 |
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50 |
G203/40/50 |
G253/40/50 |
G323/40/50 |
G403/40/50 |
G205/40/50 |
G255/40/50 |
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60 |
50 |
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G253/60/50 |
G253/60/50 |
G403/60/50 |
G205/60/50 |
G255/60/50 |
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