Storm Road Drainage Grating Trench Cover Hot Dip Galvanized Drain Steel

Common specification of Steel grating
Material Standard:
ASTM A36, A1011, A569, Q235, S275JR,Stainless steel 304,Mild steel & Low carbon steel, etc
Bearing Bar (width*thickness)
25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10.....100 x10mm 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

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.
Twisted Cross Bar Pitch
38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc

Surface treatment:
untreated(black), hot-dipped galvanized ,powder coated,electroplate, painting or as per customers' requirement.
Grating Style
Plain / Smooth, Serrated /teeth, I bar, serrated I bar

Packing:
1. LCL(less than one container load): packed with plastic film then on the pallets
2. FCL(full container load): nude packing
3. Other special package :according to customers' requirements.

Payment Term:
T/T,L/C, Paypal, Western Union, MoneyGram, Credit Card ,D/A,D/P,Trade assurance
Remarks: Other sizes also can be customized according to customers' requirement.

Application:
Steel grating can be widely used in petrochemical, water plants, sewage treatment plants,
municipal engineering, environmental engineering and other fields of platforms, walkways, trestlebridge, ditch cover, covers, ladders, fences and railings etc.

Grating Trench Cover picture: