Gold Member Since 2011
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Nanjing OTER Steel Gratings Manufacturing Co., Ltd.

Steel Grating, Trench Cover, Bar Grating manufacturer / supplier in China, offering Trench Cover with Steel Grating, Hot DIP Galvanized Steel Panel Grating for 1*6 M, Galvanized Steel Ladder and so on.

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Trench Cover with Steel Grating

Purchase Qty.:
(Tons)
1-9 10-19 20-39 40+
FOB Unit Price: US $850 US $840 US $830 US $820
Purchase Qty. (Tons) FOB Unit Price
1-9 US $850
10-19 US $840
20-39 US $830
40+ US $820
Get Latest Price
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
26 Products
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Basic Info
  • Model NO.: Customized
  • Application: Steel Structure Walkway, Foot Pedal, Drain Cover
  • Manufacturing Method: Machine Welding
  • Certificate: CE, GOST, ISO 9001, ISO 14001, Hse
  • Safety: Anti-Skid
  • Property: Good Rust-Proof
  • Size: Various
  • Cleaning: Easy
  • Specification: As request from customers
  • HS Code: 7389000000
  • Certification: CE, GOST-R, Hse, ISO
  • Shape: Tooth Shape
  • Material: Carbon Steel
  • Galvanization Standard: GB/T13912, ASTM (A123), BS729
  • Ventilation: Excellent
  • Expectation Life: Durable
  • Color: Sliver
  • Trademark: OTER
  • Origin: China
Product Description
1. Process of production:
"OTER" brand drain cover is made by steel gratings(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. 
 
2.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.
 
3.Standard: 
British BS6399 and BS6180, Australia 1650-985, etc, and Chinese standard 4053-83. Matt stainless steel surface is in line with environmental requirements. Specific types can design according to customer requirements.
 
4. Application: 
It is widely used in urban roads, squares, gardens, docks, airports, car parks, highway, railways, industrial projects, other kinds of industrial constructions. 

5. Materials: 
Mild carbon steel with a variety of grades; Also customerized steel.

6. Specifications of steel grating: 
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
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