China Custom Iron Casting Trench Grating

Detailed Product Description
1), Ductile iron manhole cover & grey iron manhole cover made by SYI Foundry strictly conform to standard & are free from sand hole.
2), Smooth and free from sand holes, blow holes, distortion or any other defects
3), Processes:
A) Automatic machine lines
B) Moulding boards
C) Green sand with hand moulding
4), Inscription styles:
A) SYI Foundry
B) As per customers' requests
C) Standard inscription
5), Inspection:
A) Foundry in-house
B) Third party inspection available upon request
6), Packing:
A) Wooden Pallet
B) Plywood Pallet
C) Steel Pallet
D) As per customers' requirements
7), Guarantee: SYI Foundry will replace any heavy duty castings that have been properly installed and broken in normal use, free of charge after receipt of the broken
Castings
8), Different accessories are available
More information is available upon receipt of your enquiry.
You will get our quick reply!

No
Item
Description
1
Bearing bar
25x3, 25x4, 30x3, 30x4, 30x5, 32x5, 40x5, 50x5, ...75x10mm
2
Bear bar pitch
12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40, 41, 60mm.
US standard: 1" x3/16" , 1 1/4" x3/16" , 1 1/2" x3/16" ,
1" x 1/4" , 1 1/4" x 1/4" , 1 1/2" x 1/4" etc.
3
Cross bar pitch
40, 45, 50, 76, 100, 101.6mm etc
4
Material
ASTM A36, A1011, A569, Q235, 275...
5
Surface treatment
Black, hot dipped galvanising, paint
6
Standard
China: YB/T 4001.1-2007
USA: ANSI/NAAMM(MBG531-88)
UK: BS4592-1987
Australia: AS1657-1985
7
Grating Bar Type
Serrated, Plain or I bar surface