hot dipped galvanized steel bar platform grating

Specifications 1.steel bar platform grating

2.surface treated:hot dipped galvanized

3.opening size:30*100

4.G325/30/100

Anping Huade Hardware & Mesh Co.,ltd produce three kinds of steel gratings, they are Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating. They are widely used in platform, corridor, bridge, well covers, stair, fencing for petroleum, chemical, power plant, waste treatment plant, civil engineering projects and environmental projects.   1) Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 20 x 3 to 100  10;the specification of I-section type is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc.   2) Bearing Bar Pitch (center to center):
12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended, America standard is available.   3) Cross Bar Pitch (center to center):
38, 50, 76, 100, 101.6mm etc, also be according to client's requirement and 50, 100mm are recommended, America standard is available.   4) Material:
Mild Steel (Low Carbon Steel) or Stainless Steel.     5) Surface Treatment:
Untreated, Painting ,Hot dip Galvanizing and electro galvanized.     6) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
E) Japan: JJS.   7)Packing:   Normall packed in piling up ways with two pieces of square wood on both upper and bottom sides.There are four or six pieces of M10 long bolt penetrating the gratings and screwing together.It is suitable for loading and unloading by fork-lift and crane.   Note:we can pack as per the requirement of customers.