60x60 ductile iron manhole cover and drain grating, steel grating
Bearing bar type
flat bar, I bar, serrated bar
cross bar type
twisted bar, round bar, flat bar
bearing bar pitch
30mm, 40mm, 60mm etc
cross bar pitch
50mm, 100mm
load steel size
20X3, 25X3, 32X3, 40X3 etc
Surface treatment
Hot Dipped Galvanized
Production process
welded
Certificate
Form A, Form E, COO
Grade
Q235 Q345
Packaging and delivery
Packaging Details
Strap packaging, pallet packaging, screw rod fixation or at your demands for Factory price 60x60 ductile iron manhole cover and drain grating, steel grating prices