High Strength Industrial Steel Grating Sewage galvanized steel bar grating walkway
Sewage Plant Walkway Grating
"Tiantai" brand steel grating is widely used in road, square, garden, dock, airport, railway, and other city construction projects.
Hebei Tiantai Steel Grating Co., Ltd is a professional manufacturer in the field of steel grating,stair treads,trench cover,steel fence,etc.We have 2 running lines with yearly capacity of 15, 000tons.Our grating has exported to more than 30 countries,including AU,Europe,Southeast Asia,Africa,Middle East,etc.We always stick to manufacturing good quality products for our valuable customers worldwide.For sure,Hebei is your right partner for purchasing & developing quality goods in China.
Welded Steel Bar Grating is made by Carbon or mild steel of certain sizes through the processing of grooving, lock-pressure, welding, finishing and other treatment.Welded Steel Bar Grating can be actually made from copper, aluminum and other materials, while gWelded Steel Bar Grating is the mostly used one due to its economic cost and good property.
Welded Steel Bar Grating Features:
Aesthetic outlook: Simple lines and silver appearance meeting the modern trend.
The best drainage: Leakage area of 83.3 percent, more than twice of cast iron products.
Anti-theft design: The cover and the frame is joint with hinge offering security, safety and open convenience.
Savings investments: Large-span. Less lost for heavy load compared with cast iron products. Cost can be saved for the risk of being stolen or crushing one if cast iron is uses.
High strength: The strength and the toughness are much higher than cast iron. Can be used for terminals, airport and other large-span and heavy loading condition.
Welded Steel Bar Grating Specification:
| No. | Item | Detailed Description |
| 1 | Bearing Bar | 25x3, 25x4.5, 25x5, 30x3, 30x4, 30x5, 30x5.5, 32x5, 40x5, 50x5,60x5,70x6, 75x10---100x10mm etc; I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc |
| US standard: 1' ' x3/16' ' , 1 1/4' ' x3/16' ' , 1 1/2' ' x3/16' ' , 1' ' x1/4' ' , 1 1/4' ' x1/4' ' , 1 1/4' ' x1/8' ' , 1 1/2' ' x1/8' ' etc | ||
| 2 | Bearing Pitch | 12.5, 15, 20, 25, 30, 30.3, 32.5, 35, 38.1, 40, 41.25, 60, 80mm etc |
| US standard: 19-w-4, 15-w-4, 16-w-4, 11-w-4, 19-w-2, 15-w-2 etc | ||
| 3 | Cross Bar Pitch | 38, 40 50, 60, 76, 80, 100, 101.6, 120mm, 2' ' & 4' ' etc |
| 4 | Steel Grade | ASTM A36, A1011, A569, Q235, S235JR, SS304, Mild steel & Low carbon steel, etc |
| 5 | Surface Treatment | hot dip galvanized, painted, |
| 6 | Grating Style | Plain / Smooth, Serrated /teeth, |
| 7 | Grating Standard | China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), |
| UK: BS4592-1987, Australia: AS1657-1985, Japan: JIS |
Metal Grate Stair Treads Picture:
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