Factory direct sale hot dip galvanized steel grill

Specifications steel grill

1>Material:steel,stainless steel

2>Bearing bar pitch:30-60 mm

3>Cross bar pitch:30-100 mm

4>ISO 9001

Factory direct galvanized steel grill walkway for sale    Product Description  1.Introduction of steel grill  Our company has more than ten years experience in manufacturing and exporting productions with best quality and competitive price and faster delivery time.  1>Material :Steel & Low carbon steel, etc. 2>Surface process: hot-dipped galvanized ,electro-galvanized, spraying and soaking.         2.Specification of steel grill 1>Shape of bearing bar: plain or serrated  type. 2>Bearing Bar Pitch (center to center):according to client's requirement and 30, 40, 60mm are recommended.
3>Bearing Bar (Load Bar) Specifications of thickness and depth(mm): 20 x 3 to 100 x 10 etc;  4>Cross bar pitch :38.1, 40, 50, 60, 76, 80, 100, 101.6, 120mm, 2' ' & 4' ' etc 3.The manufacturing process of steel grill The factory of our company has strong ability in manufacturing production by large quantity. We can assure you about the quality with competitive price,and we can  manufacturer all kinds of steel grid.    Welded process   Galvanized process   4.The application of steel grill The products are widely used in steel structure platforms,stair treads, floors, drainages, well covers , sidewalks,decks etc. We can also design and manufacture special steel grill on our customer's requirement.    5.The installation of galvanized steel grill Productions made by our company are easy to install,there are two ways to install it.Weld it directly for Permanent using or  use clips to fix it for re-movement,it's very easy to install it with our special design. 6. steel grill walkway features (1)Attractive appearance: Simple outline.silver colour,and modern. (2)Optimum water draining: Water leakage area reaches 83.3%,which is more than two times larger  than that of cast iron. (3)Hot-dip galvanizing: Good antirust performance,maintenance free and replacement free. (4)Design of preventing theft: The cover is connected with the frame by gemel,which ensures protection against theft,safety,and convenient opening. (5)Saving investment: With large span,the cost is lower than that of cast iron when under heavy load.And the replacement expenses in case of theft and crushing will be saved. (6)High strength:With strength: With strength and toughness far higher than those of cast iron,it can be used in the environment with large span  and heavy load,such as the wharf and the airport. (7)Many specifications available: The requirement of different environments,loads, spans,sizes and shapes can be satisfied.   7.Standards of steel grill  

	steel grill standard	Steel standard	Galvanizing standard
China standard	YB/T 4001.1-2007	GB700-88	GB/T13912-2002
USA standard	ANSI/NAAMM(MBG531)	ASTM(A36)	ASTM(A123)
U.K. standard	BS4592	BS4360(43A)	BS729
Australia standard	AS1657	AS3679	AS1650

  8.Tolerance of steel grill   The allowed deviation of length is +0/-5mm, while the allowed deviation of width is +/-5 mm. 
The non-perpendicularity of bearing bar is allowed no more than 10% of width of bearing bar. 
Cross bar surface should not surpass bearing bar surface 1mm, beginning & end of cross bar should not surpass the end surfaces of two sides of grill.  Our Services  Sample service   Packaging & Shipping  Steel grid walkway are normally packed with two pieces of square  wood on both upper and bottom sides.We always use 4 or 6 long bolts penetrate grids and screw them together.This kind of packaging is suitable for fork-lift loading. And we also pack our productions on our costumer’s requirement. FAQ   time of deilivery: 15-20 days after receiving 30% deposit   Payment: 30% by T/T in advance, the balance by T/T against the fax copy of B/L.    Why choose Haiao ?   1)We have a standard manufacturing line and a complete quality ensuring system for high quality steel grid floor reaching your  requirements.  
2)We own most advanced production equipments.The CNC press-welding meshine is controled by computers.  
3)We have more than ten years experiences about manufacturing and exporting.  
4)We own more than ten senior engineers,they can promise our product technology in the industry in a leading level.   Company Information  HAIAO Wire Mesh Product Co.,Ltd is a company engaged in production and exportation of metal wire,mesh, fencing, steel grid products .Our high grade protective steel grating has been sold to over 80 countries and regions in Europe,America,Africa,middle east and Asia.  we have developed into a famous enterprise in wire mesh business.Following ISO 9001:2008 standards strictly and paying attention to prestige and contracts  ,So we can Guarantee the superior quality with very competitive price. Clients Gallery ISO9001 certification Contact with me for more informations about steel grill and get a free quotation