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Construction Materials Hot DIP Galvanized Bolted Fixed Stair Treads From Direct Factory2
Building Hardware, Stair Parts, Steel Stair Treads, Steel Stair
Hebei Jiuwang Metal Wire Mesh Co., Ltd.
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Product Description 1.steel stair treadsWe manufacture different styles of stair ladders that used in family,industry and construction. Material: mill steel black and hot dip Galvanizing / and stainless gratingUsage: ladder, flooring walkway, platform ,steel structures, stair tread, well cover, trench cover, sump cover,compound gratings, storage shelves,fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.2.steel stair treads type.1)There are four kinds of stair treads T1,T2,T3,T4. T1 Welded fixing and Without nosing T2 Bolted fixing and without nosing,easy to installation and teardown. T3 Welded fixing and with checkered plate nosing, can be skid. T4 Bolted fxing and with checkered plate nosing, easy be installation, teardown and can be skid.2) Material: Mild Steel (Low Carbon Steel) or Stainless Steel3) Surface Treatment: Untreated, Painting ,Powder coated or Hot dip Galvanizing4) Steel grating standards: A) China: YB/T4001-1998 B) USA: ANSI/NAAMM (MBG531-88) C) UK: BS4592-1987 D) Australia: AS1657-1988 E) Japan: JJS 3.steel stair treads specificationPitch of Bearing barCross-bar PitchSpecification of bearing bar load(width×thickness)32×540×545×550×555×560×5 30100G325/30/100G405/30/100G455/30/100G505/30/100G555/30/100G605/30/10050G325/30/50G405/30/50G455/30/50G505/30/50G555/30/50G605/30/50 40100G325/40/100G405/40/100G455/40/100G505/40/100G555/40/100G605/40/10050G325/40/50G405/40/50G455/40/50G505/40/50G555/40/50G605/40/506050G325/60/50G405/60/50G455/60/50G505/60/50G555/60/50G605/60/50 Max. Stair treads lengths Steel grating specificationBearing bar size25*325*532*5Bearing bar pitch30mm5509001300Bearing bar pitch 40mm4507501200 Recommend stair tread widths T1,T2,T3,T4Bearing bar pitch 30mm95125155185215245275T1,T2,T3,T4Bearing bar pitch 40mm 125165 205245285 115155 195235275Fixing hole centers4575100150 Note:bearing bar thickness 5mm WHY CHOOSE OUR COMPANY1.Own independent three press-welded steel grating machine and we have our own biggest galvanization product line in local market2.profession design and drawing teams customize based on customers'requirement3.ISO9001 Certificate4.Located in Anping wire mesh base Hebei province,near from Beijing airport,Tianjin sea Port!5.Now we adopted automatic bending machine, robot welding machine,the grating quality get more perfect and price more competitive!
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