Rain Water Grating Water Drain Grate Rain Water Grating For Drainage

Product Description
Floor surface water drain grate/rain water grating for drainage TypeWelded steel grating, pressure-locked, socket-weldingSteel flat size20x3,25x3,25x5,30x3,30x4,30x5,32x3,32x5...45x5mmBeraing bar pitch12.5,15,20,25,30,35,40,50mmCross bar pitch38,50,80,100mmmaterialLow carbon steel, stainless steel, aluminiumSurface treatmentUntreated, hot galvanized, paintedStandardsChina: YB/T 4001.1-2007
USA: ANSI/NAAMM(MBG531-88)
UK: BS4592-1987
Australia: AS 1657-1985
Specifications
Hot dip galvanized steel grating
Material : low carbon steel ,stainless.etc.
Size: standard or OEM.
Packing:Naked or as the customers' request.
ISO 9001:2000.

1.) Processing technic:
Galvanized steel grating is made by bearing bar and cross bar according to the flat-steel weft arrangement, in high-pressure spacing on resistance welder welded by cutting, incision, opening, overlock process such as processing and into customer requirements finished products.2.) Features:
Intensity, light structure: strong grid bonding structure makes it with high load, the structure characteristics, facilitate hoisting light; Beautiful appearance, durable: hot-dip galvanized surface treatment make it fairly good corrosion resistance, the surface luster beautiful; Ventilation, lighting, heat dissipation, explosion-proof, prevent slippery properties is good; Deposition prevention dirt.3.) Useage:
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.4.) Material:
Carbon steel, Stainless steel ,and so on .5.) Surface treatment:
Hot-dipped-galvanized ,electro galvanized or PVC coated ....6.) Size:
Standard size or OEM(Making as the customers' request).7.) Packing:
Naked or packing as the customers' requestCompany InformationFAQ
1.HowcanIgetaexactlyquotation?
Therearethreeways:
*Youcantellmethebearingbarsizeandthepitchofbearingbarandcrossbar
*Youcantellmethecarryingcapacityofpersquaremeterandthemaximumspan.
*Youcansendmethedrawingsaboutsteelgrating
2.Whatarethesizeofsteelgratingcommonspecifications?
*Thegratingthatthepitchbetweenbearingbaris30mm,ismostwidelyusedtypeinindustrialfield.
*Thegratingthatthepitchbetweenbearingbaris40mmisthemosteconomicalandlightesttype. Itisthebestchoiceforyouonoccasionsthattheclearspanissmall
*Thegratingisthepitchbetweenbearingbaris60mmandthepitchbetweencrossbaris50mm isdevelopedspeciallyforminingindustry.itsolvestheproblemofmineralsplashontheplate.
*Thegratingwiththepitchof30mmbetweenbearingbarandof75mmbetweencrossbar isthemostpopulartypeusedhomeandabroad.itisproperformanyapplicationssuchaswalkways,platforms,etc.
3.whatarethesizeofcommonsteelgratingstairtread?
Thebearingbarsizeare25*3mm,25*5mm,32*5mm
Thepitchofbearingbarare30mmand40mm.
4.whatstandardcanyoursteelgratingmeet?
Wecanproducesteelgratingaccordingtodifferentcountries.
SuchasChinaYB/T4001.1-2007,USAANSI/NAAMM(MBG531-88),UKBS4592-1-1995AustraliaAS1657-1992andsoon
5.howaboutyourfactorystrength?
wehavemorethan100staff,andthereare40have20yearsofexperienceinthisindustry.
Wehaveacompletesetofproductionline.
6.whichcountriesdoyouexportto?
WecurrentlyexporttoSingapore,Vietnam,USA,Kuwait,Austria,Japanandsoon.
7.the sample question
we can supply free common steel grating sampleand the sample will be readly in four days.
8.the delively problems
we usually need 20 days to produce 20' container(about 20tons)after recieving the 30% deposit