Hot dip galvanized floor steel grilles,bar grating for sale
1)Raw material :Low carbon steel, stainless steel, aluminum alloy
2)Types of Steel Grating:Plain/smooth type, I type ,Serrated/teeth type.
3)Cross bars shape: square bars, twisted square bars,round bars
4) Surface treatment: untreated(black), hot-dipped galvanized ,powder coated, electroplate,painting or as per customers' requirement.
5) Grating standard:TB/T4002,ANSI/NAAMM-MBG531,BS4592,AS1657,JS3101.

| Common specification of steel grating |
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 |
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 |
Twisted Cross Bar Pitch | 38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc |
Material Grade | ASTM A36, A1011, A569, Q235, S275JR, SS304, SS400, Mild steel & Low carbon steel, etc |
Surface Treatment | Black, self colour, hot dip galvanized, painted, spray coating |
Grating Style | Plain / Smooth, Serrated /teeth, I bar, serrated I bar |
Standard | China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987, Australia: AS1657-1985, Germany: DIN24537-1-2006, Japan :JIS |

Applications
Widely used in petroleum chemical industry, power plant, water and sewage treatment plants, municipal engineering, environmental sanitation engineering fields of the platform, footpath, zhanqiao pier, ditch lid, manhole cover, ladders, fences, guardrail etc.
· Offshore grating
· Water treatment platform grating
· Power plant
· Parking lot

Advantages
· High bearing capacity combined with a low specific quantity of steel.
· Large and open operating places.
· Easy to install.
· Easy fabrications.
· Toe plates and cutout service can be supplied.
· Irregular shapes of gratings can be customized.
1. Any inquiries will be replied within 24 hours.
2. Professional factory for 20 years with advanced facility.
3. Quality guarantee
A. All products will have been strictly inspected by our inspector before packing.
B. Welcome you to our factory to supervise the production processing and inspect
the goods quality at any time.
C. After receipt of the goods within 15 days, have any quality problem,you could raise an objection.
4. Fast delivery
A.Sample order in stock, will be delivery within 3 to 7 days.
B.The goods will delivery on time according to the contract.
5. Payment
T/T, L/C, Western Union, Escrow.
6. Shipping
By sea, we also have strong cooperation with DHL, TNT, UPS, FEDEX, EMS.
7. Best Service after-sales
At any time,all free service