Drainage Tree Cover Welded Steel Grating Thickness 2mm
Metal floor grilles hot dipped galvanized steel mesh grating drainage tree cover grating
A. Material:
Low Carbon Steel or Stainless Steel
B.Surface Treatment:
Untreated, Painting or Hot Dipped Galvanizing
C.Specifications:
--Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 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.
--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 <1' x 3/16', 1 1/4' x 3/16', 1-1/2' x 3/16', 1' x 1/4', 1-1/4' x 1/4', 1 1/2' x 1/4'(19-w-4),(19-w-2) and so on.>
--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.
Steel grating standards:
A. China: YB/T4001-1998
B. USA: ANSI/NAAMM (MBG 531-88)
C. UK: BS4592-1987
D. Australia: AS1657-1988
E: Japan: JIS
| No. | Item | Description |
| 1 | Bearing bar |
25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm 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 |
| 2 | 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. |
| 3 | Cross bar | 5*5,6*6,8*8mm(twisted bar or round bar) |
| 4 | Cross Bar Pitch | 38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc |
| 5 | Material Grade |
ASTM A36,A1011,A569,Q235,S275JR,SS304,SS400, Mild steel & Low carbon steel,etc. |
| 6 | Surface Treatment | Black, self colour, hot dip galvanized, painted, spray coating |
| 7 | Flat bar type | Plain,Serrated(tooth-like),I bar (I section) |
| 8 | Standard |
China:YB/T 4001.1-2007,USA:ANSI/NAAMM(MBG531-88), UK:BS4592-1987,Australia:AS1657-1985, Germany:DIN24537-1-2006, Japan:JJS. |
Packing & Shipping:
Standard Grating Packing Method:
1. Bandage and Paperboard: Generally applies to neat steel plate;
2. Screw Locking Method: Use 4 screw rods through the aperture of the steel grid, for high strength;
3. Steel Pallet: Traditional export packing.
FAQ
Q1: Are you a manufacturer?
A: Yes, our factory is located in Tianjin. We are focusing on the manufacture of varies metal fence post and other steels.
Q2: How to proceed an order?
A: Firstly, let us know your requirements or application.
Secondly, we quote according to your requirements or our suggestions.
Thirdly, the customer confirms the samples and places deposit for formal order.
Fourthly, we arrange the production.
Q3: Can I have a sample order?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q4: Payment term and Delivery time
a) TT
b) LC AT SIGHT
c) cash
d) 30% contract value as a deposit, the balance 70% be paid after received the copy of B/L
e) 25-40 days after received your deposit
Q5: How about the after sale service?
A: Customers' satisfaction is always our NO.1 priority if you have any problem or doubt about our product or policy, welcome to contact us by email or phone, we'll respond you within 24 working hours.
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