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Galvanizing Serrated Steel Bar Fence Grating/Grate For Driveways
Specifications of steel gratings | |
Item | Description |
Bearing bar | 20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 50…75x8mm, etc. |
Bearing bar pitch | 25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc. |
Cross bar | 5x5, 6x6, 8x8mm (twisted bar or round bar) |
Cross bar pitch | 40, 50, 60, 65, 76, 100, 101.6, 120, 130mm or as customers’ requirement. |
Surface treatment | Untreated, Hot dip galvanized, Cold dip galvanized, Painted, Powder coated, or as customers’ requirement. |
Flat bar type | Plain, Serrated (tooth-like), I bar (I section) |
Material standard | Low carbon steel (CN: Q235, US: A36, UK: 43A) |
Galvanization standard | CN: GB/T13912, US: ASTM (A123), UK: BS729 |
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: JJS |
The press welded steel grating ,requested by the customers,is made of load flat steel bar and cross bars,placed horizontally and vertically ,and at an equal pitch apart ,by welding with 200-ton hydraulic resistance automatic welding equipment ,then cutting,punching and banding ends.
Loading bearing steel bar pitch:pitch between the two neighboring load bearing steel bars is 30mm,or40mm.
Cross bar pitch:pitch between two neighboring cross bars is usually 50mm or 100mm,Special specification ca be done according to your request.
Our services
1. Any enquiry will be replied within 12 hours.
2.Sample production and delivery service can be provided, as for any information about the sample or any specific requirements for the sample, please contact us via telephone , mail or online trade manager.
3.OEM/ODM is available. Printing logo on customized products.Customized design and material. Customized packing for your products.
4.Before-sale and after-sale service. All products have been strictly quality test in our factory before packing.
Professional Work shop of drainage trench cover steel grating
Steel bar grating is made by welding with Flat steel and Cross bars with certain distance. As we have more than 20 years experience, so we can guarantee the catwalk steel grating with good welding technique and heavy galvanized coating.We can supply our client high quality catwalk steel grating with best steel grating prices in the market.
FAQ
1.How much about your annual production capacity?
More than 2000tons
2.What makes your products different from other company's?
YILIDA provide free design service, warranty service, with strictly quality control and very competitive price.
3.Can you make custom panels if I have a design in mind?
Yes, most of our products for exporting were manufacture to specs.
4.Can I get a pcs of your products sample?
Yes, free samples will be provided anytime.
5.Do you offer a warranty on your products?
Yes, for PVDF coating product we can provide more than 10years warranty time
6.What type of materials do you use for your products?
Carbon steel plate,Stainless steel plate,Aluminum and Aluminum Alloy plate,Cooper plate,Galvanized plate etc.
Special material also available
7.Do you have any certificate?
Yes,we have ISO9001,ISO14001,BV certificate,SGS certificate.
8.Do you have a separate quality departments?
Yes,we have QC department.Will make sure you receive the perfect product.
9.Is there quality control on all production lines?
Yes,all production line have adequate quality control
10.Do you have mutually agreed upon specifications with your suppliers?
Yes,we will make contract specify the specifications with the material suppliers.