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Nanjing OTER Steel Gratings Manufacturing Co., Ltd.

Drain Cover, Trench Cover, Bar Cover manufacturer / supplier in China, offering U-Type Steel Trench Cover, Hot Dipped Galvanized Steel Frame Lattice, Hot DIP Galvanized Stair Tread and so on.

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U-Type Steel Trench Cover

FOB Price: US $880 / Ton
Min. Order: 2 Tons
Min. Order FOB Price
2 Tons US $880/ Ton
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Production Capacity: 20, 000 Tns/Year
Transport Package: Normal Export Packing or Customerized
Payment Terms: L/C, T/T

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Steel Gratings
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Basic Info
  • Model NO.: BG
  • Application: Steel Structure Walkway, Foot Pedal, Drain Cover
  • Manufacturing Method: Machine Welding
  • Color: Sliver
  • Ventilation: Excellent
  • Installation: Easy
  • Property: Good Rust-Proof
  • Galvanization Standard: GB/T13912, ASTM (A123), BS729
  • Specification: As request from customers
  • HS Code: 7389000000
  • Certification: CE, GOST-R, Hse, ISO
  • Shape: Flat Shape
  • Material: Carbon Steel
  • Size: Various
  • Safety: Anti-Skid
  • Expectation Life: Durable
  • Certificate: CE, GOST, ISO 9001, ISO 14001, Hse
  • Trademark: OTER
  • Origin: China
Product Description
OTER brand drain cover is designed and made from grating. Steel grating is made by carbon or mild steel of certain sizes through the processing of slit cutting, serration-making, press welding, inspecting before galvanization, galvanizing, checking before packing, etc. 

Four types of bearing bars:
U-Type Steel Trench Cover
Materials: 
Mild carbon steel with a variety of grades; Also customized steel. 

Characteristics:
Beautiful appearance, the best drainage(which is twice that of cast iron products), hot-dipped galvanized(anti-rust, maintenance free and no replacement), anti-theft design, high strength, saving investment, a variety of specifications. Specific types can design according to the actual situation. 

Application:
Urban roads, squares, gardens, docks, airports, car parks, highway, railways, industrial projects, other kinds of industrial civil constructions. 

Specifications of steel gratings: 
NoItemDescription
1Bearing bar20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 50… 75x8mm, etc. 
2Bearing bar pitch25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc. 
3Cross bar5x5, 6x6, 8x8mm (twisted bar or round bar)
4Cross bar pitch40, 50, 60, 65, 76, 100, 101.6, 120, 130mm or as customers’ requirement. 
5Surface treatmentUntreated, Hot dip galvanized, Cold dip galvanized, Painted, Powder coated, or as customers’ requirement. 
6Flat bar typePlain, Serrated (tooth-like), I bar (I section)
7Material standardLow carbon steel (CN: Q235, US: A36, UK: 43A)
8Galvanization standardCN: GB/T13912, US: ASTM (A123), UK: BS729
9Steel grating standardsA. China: YB/T4001-1998
B. USA: ANSI/NAAMM (MBG 531-88)
C. UK: BS4592-1987
D. Australia: AS1657-1988
E: Japan: JJS

U-Type Steel Trench Cover
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