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Building Materials Expanded Metal Galvanized Steel Grating Industrial Catwalk Grating
Material: Low carbon steel, stainless steel
* Surface treatment: Hot dipped galvanized, painting
* Common sizes as follow:
G303/30/100 G255/30/100 G305/30/100 G505/30/100 G203/30/50 G205/30/100
G255/30/50 G303/30/30 G808/30/100 G605/30/100 G355/30/100 G355/30/50 G325/30/100
Drainage steel grating cover Drainage ditch material | Steel,Low carbon steel,stainless steel&Q235,A36,SS304,SS316L, S235JR |
Surface treatment | Black, hot dipped galvanized, paint |
Bearing bar width*thickness | 25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm |
Bearing 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. |
Bearing bar shape | Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating. |
Drainage steel grating cover drainage ditch standard | China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987, Australia: AS1657-1985, Japan: JJS. |
Cross bar shape | round,twisted,bar shape |
Cross bar pitch | 38,50,76,100,101.6mm |
Galvanizing standard | US: ASTM (A123), CN: GB/T13912, UK: BS729 |
Market distribution | America45%,Europe26%,Middle east38%,Other place27% |
Hot dip galvanized steel grating tolerance
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 grating 2mm.
Packing
Appcation
Their main applications are drain covers, steelwork platform panels, and steel stair treads. Industrial platform flooring and walkway, traffic and steel structure etc.
FAQ
1.What's your advantage?
A: Honest business with competitive price and professional service on export process.
2. How I believe you?
A : We consider honest as the life of our company, we can tell you the contact information of our some other clients for you to check our credit.
3.How can I know how my order is being done?
A:We will inspect and test all items in order to avoid damage and missing parts before shipping. The detailed inspection pictures of the order will be sent to you for your confirmation before delivery.
4.Can you give warranty of your products?
A: Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.
5.Where are you? Can I visit you?
A: Sure,welcome to you visit our factory at any time.
6.How about the delivery time?
A: Within 15-35 days after we confirm you requirement.