Product Description:
Material: d steel & Low carbon steel, etc.
Surface treatment: hot-dipped galvanized, electric galvanized.
1) Bearing bar shapes: plain or serrated or I bar type.
2) Bearing Bar Pitch (center to center): 30, 40, and 60mm are recommended, but we can also do it at the customer's request.
3) Bearing Bar (Load Bar) Specifications (mm): The specification(thickness of bearing bar)of plain type and serrated type is 20 x 3 to 100 x 10;
4) Cross bar pitch(mm):38, 40, 50, 60, 76, 80, 100, 110, 120 etc.

Standards Of Galvanized Overcher Steel Grating.

NO | Item | Description | |
1 | 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 | |
2 | Bearing 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. | |
3 | Twisted Cross Bar Pitch | 38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc | |
4 | Material Grade | ASTM A36, A1011, A569, Q235, S275JR, SS304, SS400, d steel & Low carbon steel, etc | |
5 | Surface Treatment | Black, self-colour, hot dip galvanized, painted, spray coating | |
6 | Grating Style | Black, self-colour, hot dip galvanized, painted, spray coating | |
7 | Standard | China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987, Australia: AS1657-1985, Japan |

Features
Corrosion resistance, Rust resistance.
Anti-slip resistance, Good air circulation.
Good drainage performance, Easy to install and uninstall.
High strength-to-weight performance, Durable, and long lifespan.

Packaging:
1. Wrapped With Plastic Film Inside and outside with the woven bag.
2. Wrapped With Plastic Film Inside and outside with the hessian bag.
3. according to your requirements.
Shipping:
Samples will be shipped by express service - DHL, EMS, UPS, TNT or FedEx.
1, By carrier, like DHL, PUS, Fedex, dtc. Usual 5-7 days;
2, By air to the airport, usual 3-5 days arrives;
3, By sea to the seaport, usually 25-45 days.

Q1 - What Certificate does your company have?
A: CE, ISO9001, ISO14000, ISO18000.
Q2 - How can we get some samples?
A: Free samples but the transport fee on the customer's cost.
Q3 - What's your production lead time?
A: Vary with the customer's order quantity. Usually15- 18 days after received the deposit.
Q4 - What's your payment terms?
A: TT, LC, DP
Q5 - What is your product max size?
A: Max length 7500mm, max width 1000mm