We follow the trend and constantly seek new breakthroughs in Serrated Welded Steel Grating, Serrated Grating, Steel Grating Stair Treads, quality, service and operation mode, sales channels and sales methods. We are committed to expanding our market share, which is the fundamental interest of our company and the goal we pursue. We turn science and technology into productivity and fully complement each advantages. We actively carry out relevant diversified businesses and accelerate development towards the international arena.
Serrated bar grating, is also called serrated steel grating or serrated steel bar grating, is made of mild carbon steel and stainless steel. Serrated metal bar grating is produced by welding bearing bars and cross bars with certain distances to form a high strength structure. The serrated surface can supply good skid resistance, hot-dipped galvanized treatment is suitable for harsh environment and the stainless steel material provides it a long life performance. Serrated bar grating is widely applied as stair treads, walkways, trench covers, etc.

Item | Serrated Bar Grating |
I Bar Size | 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 |
Bearing Bar Pitch | 12.5, 15, 20, 23.85, 25, 30, 30.16, 31, 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. |
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 color, 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 :J |

Product Advantages
* Beautiful appearance, strong anti-rust, strong anti-skid bearing capacity, easy to install.
* The mesh is large and has the best drainage; the leakage area is 83.3%, which is more than twice that of cast iron.
* High-strength carbon steel, hot-dip galvanized on the surface, can prevent oxidation.

FAQ
Q1:Are you factory or trading company?
A: We are factory which located in Wuxi city, China. It's close to Shanghai port. Welcome visit our factory.
Q2: What 's your delivery time?
A: Normally 5 days after all your payment.
Q3: One hundred percent of quality assurance
A: Each production link will be sent via image information to the customer, let the customer rest assured.
Q4: The most preferential price
A: We are direct manufacturer, so gives customers the factory price. At the same time, no matter FOB or CIF, we can help customers find the most cost-effective mode of transportation, let the customer profit maximum.
Q5: The most comprehensive after-sales service
A: Any question is welcome
While using the 'Client-Oriented' organization philosophy, a rigorous top quality command process, highly developed production devices and a potent R&D workforce, we normally provide high quality products, outstanding solutions and aggressive charges for Aluminum Grating Building Plain / Press lock / Swaged Serrated Manhole Trench Cover Factory Supply Bar Grating for Stair Tread. Timely response is the power source of our development. We take building a world-class brand as our corporate vision, lay a solid foundation, seek development wholeheartedly, and provide customers with quality products and services.
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