mild steel flooring grating drainage trench cover
Steel Grating
Material: Mild Steel (Low Carbon Steel) or Stainless Steel
Surface Treatment: Untreated, Painting or Hot dip Galvanizing
Steel grating
Specifications of steel gratings | ||
No | Item | Description |
1 | Bearing bar | 20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 50…75x8mm, etc. |
2 | Bearing bar pitch | 25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc. |
3 | Cross bar | 5x5, 6x6, 8x8mm (twisted bar or round bar) |
4 | Cross bar pitch | 40, 50, 60, 65, 76, 100, 101.6, 120, 130mm or as customers’ requirement. |
5 | Surface treatment | Untreated, Hot dip galvanized, Cold dip galvanized, Painted, Powder coated, or as customers’ requirement. |
6 | Flat bar type | Plain, Serrated (tooth-like), I bar (I section) |
7 | Material standard | Low carbon steel (CN: Q235, US: A36, UK: 43A) |
8 | Galvanization standard | CN: GB/T13912, US: ASTM (A123), UK: BS729 |
9 | 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: JJS | ||
Feature:
1). High strength, light structure: solid grid pressure welding structure has advantages of high load, light structure, easy installation, etc.
2). Fine appearance, durable in use: hot zinc dipping surface treatment makes it own fairly good corrosion resistance, bright and beautiful surface.
3). Good ventilation, lighting, thermal, anti-explosion, and anti-skid performance.
4). Prevent dirt deposition.
Application: It is widely used for platform, aisle, trestle, drain cover, manhole cover, steel ladder, fence, and guardrail in the fields
including petrochemical, power station, sewage treatment plant, mechanical manufacture, mechanical and electrical equipment, paper mill,
cement plant, pharmacy, food processing, municipal engineering, environmental engineering, etc.
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