Gnee Steel (tianjin) Co., Ltd
| Supply Ability | 100 ton/week |
| Delivery Time | 5-9 working days |
| Packaging Details | Sea-worthy packing, ie wooden or steel tray with steel strip,etc |
| Product name | trench cover |
| Material | Q235B, A36, SS400, S235JR, SS301,SS316,SS304L,SS316L |
| Surface Treatment | Untreated, Painted or Hot dip Galvanized |
| Bearing bar size | 20*3,20*5,25*3,25*5,32*3,32*5,35*3,35*5,50*5 |
| Bearing bar pitch | 30,33,35,38,40,50,60,80,90mm |
| Cross bar type | wisted square , square ,round |
| Application | trench cover,drain cover |
| Color | Silver,Black |
| Model Number | TC-01 |
| Certification | ISO9001,SGS |
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Product Specification
| Supply Ability | 100 ton/week | Delivery Time | 5-9 working days |
| Packaging Details | Sea-worthy packing, ie wooden or steel tray with steel strip,etc | Product name | trench cover |
| Material | Q235B, A36, SS400, S235JR, SS301,SS316,SS304L,SS316L | Surface Treatment | Untreated, Painted or Hot dip Galvanized |
| Bearing bar size | 20*3,20*5,25*3,25*5,32*3,32*5,35*3,35*5,50*5 | Bearing bar pitch | 30,33,35,38,40,50,60,80,90mm |
| Cross bar type | wisted square , square ,round | Application | trench cover,drain cover |
| Color | Silver,Black | Model Number | TC-01 |
| Certification | ISO9001,SGS | ||
| High Light | metal driveway drainage grates ，floor drain grate covers | ||
Hot dipped 25x5 galvanized trench drain grating cover with ISO SGS certificate. Made from steel grating plate, these covers are easy to install with light weight, excellent load-bearing capacity, and superior impact resistance.
After hot-dip galvanizing process, the covers become attractive and durable with exceptional corrosion and rust protection, outperforming traditional cast iron trench covers. The articulated juncture design allows for easy opening while providing excellent anti-theft functionality.
Ideal for municipal administration paths, carwash houses, garden landscape facilities, residential districts, schools, and various industrial applications.
| Steel Grating Standard | Steel Standard | Galvanized Standard |
|---|---|---|
| China standard | YB/T 4001.1-2007 | GB/T 13912-2002 |
| USA standard | ANSI/NAAMM(MBG531) | ASTM(A123) |
| U.K. standard | BS4592 | BS729 |
| Australia standard | AS1657 | AS1650 |
| Item | Description |
|---|---|
| Bearing Bar | 25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 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 1/2"x1/4", 1"x1/8", 1 1/4"x1/8", 1 1/2"x1/8" etc |
| Bear Bar Pitch | 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc. |
| Twisted Cross Bar Pitch | 38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2" & 4" etc |
| Material Grade | ASTM A36, A1011, A569, Q235, S275JR, SS304, Mild steel & Low carbon steel, etc |
| Surface Treatment | Black, self colour, hot dip galvanized, painted, spray coating |
| Grating Style | Plain / Smooth, Serrated / teeth, I bar, serrated I bar |
| Standard | China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987, Australia: AS1657-1992, Japan: JIS |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2006
Employee Number:
250~300
Ecer Certification：
Verified Supplier
GNEE STEEL ,Has dedicated in producing and exporting all types of steel gratings for more than 19 years,A Professional Steel Grating & Safety Grating Manufacturer for Projects Engineering. Since our establishment, we have been dedicated to becoming a trusted global partner for high-quality ste... GNEE STEEL ,Has dedicated in producing and exporting all types of steel gratings for more than 19 years,A Professional Steel Grating & Safety Grating Manufacturer for Projects Engineering. Since our establishment, we have been dedicated to becoming a trusted global partner for high-quality ste...
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