Our trench and well cover is easy to construction, light weight, big bearing capacity, etc. It is also good looking and long durability. They are widely used in city construction projects, gardens, workshops and factory buildings, living quarters and ports, etc.
1) Type of bearing bar: 20*3~100*6mm
2) Pitch of bearing bar: 12. 5, 15, 30, 33, 35mm, etc.
3) Pitch of cross bar: 50-100mm etc.
4) Material: Mild steel or stainless steel
5) Finish: Hot dip galvanizing or painted or untreated
6) Steel grating standards:
A) China: YB/T4001~1998
B) USA: ANSI/NAAMM (MBG531~88)
C) UK: BS4592~1987
D) Australia: AS1657~1985