стальные решетки

Wespecializeinmanufacturingandexportingmanykindsofsteelgratingswiththebestquality,competitivepriceandfasterdeliverytime.SuchassteelmillblackandhotdipGalvanizindsteelgrating,flooringwalkway,platform,stairtread,wellcover,trenchcover,checkeredgratings,gratingladder,fencesandhandrail,etcforconstructionproject,oilproject,seaport,powerplant,waterplant,defenseproject,chemicalfactoryandsoon. The steel grating can be classified into PlainStyleSteelGrating,SerratedStyleSteelGratingandIBarTypeSteelGrating, etc,Theyarewidelyusedinsteelstructureplatforms,stairtreads,sidewalks,drainagesandwellcoversetc.Wecandesignandmanufacturestandardsteelgratingasperclient'srequirements. 1)BearingBar(LoadBar)Specifications(mm): Thespecificationofplaintypeandserratedtypebearingbaris20x3to100x10,thespecificationofIsectiontypeis25x5x3,32x5x3,38x5x3,40x5x3,50x5x3,50x7x4,55x7x4,60x7x4,65x7x4,70x7x4,75x7x4,etc. 2)BearingBarPitch(centertocenter): 12.5,15,25,30,30.16,32.5,34,40,41.25,45,50,60,60.32,80,100mmetc,and30,40,60mmarerecommended, 3)CrossBarPitch(centertocenter): 38,50,76,100,101.6mmetc,and50,100mmarerecommended,Americastandardisavailable. 4)Material: MildSteel(LowCarbonSteel)orStainlessSteel 5)SurfaceTreatment: Untreated,PaintingorHotdipGalvanizing 6)Steelgratingstandards: A)China:YB/T4001-1998 B)USA:ANSI/NAAMM(MBG531-88) C)UK:BS4592-1987 D)Australia:AS1657-1985 E)Japan:JJS. ItemNo. BearingBarPitch CrossBarPitch Specificationofbearingbarloadwidth×thickness 20×3 25×3 32×3 40×3 20×5 25×5 1 30 100 G203/30/100 G253/30/100 G323/30/100 G403/30/100 G205/30/100 G255/30/100 50 G203/30/50 G253/30/50 G323/30/50 G403/30/50 G205/30/50 G255/30/50 2 40 100 G203/40/100 G253/40/100 G323/40/100 G403/40/100 G205/40/100 G255/40/100 50 G203/40/50 G253/40/50 G323/40/50 G403/40/50 G205/40/50 G255/40/50 3 60 50 G253/60/50 G253/60/50 G403/60/50 G205/60/50 G255/60/50 ItemNo. BearingBar Pitch CrossBarPitch Specificationofbearingbarloadwidth×thickness 32×5 40×5 45×5 50×5 55×5 60×5 1 30 100 G325/30/100 G405/30/100 G455/30/100 G505/30/100 G555/30/100 G605/30/100 50 G325/30/50 G405/30/50 G455/30/50 G505/30/50 G555/30/50 G605/30/50 2 40 100 G325/40/100 G405/40/100 G455/40/100 G505/40/100 G555/40/100 G605/40/100 50 G325/40/50 G405/40/50 G455/40/50 G505/40/50 G555/40/50 G605/40/50 3 60 50 G325/60/50 G405/60/50 G455/60/50 G505/60/50 G555/60/50 G605/60/50