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The maximum length of stair step plate(mm):
Bearing bar section Steel grating specification | 25*3 | 25*5 | 32*5 |
Bearing bars at 30mm pitch | 550 | 900 | 1300 |
Bearing bars at 40mm pitch | 450 | 750 | 1200 |
High Quality Galvanized Steel Stair Treads for ladders with Best Factory Price.
We Have Professional Design Team, We Can Produce all kinds of Stair treads according to your requirements.
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Product name | *Steel grating |
Material | *Mild steel (Carbon steel) *stainless steel 304, SS316 |
Material standard | *USA:ASTM A36 *UK:BS4360 *Australia:AS3679 *China:Q235 |
Bearing bar type | *Smooth/flat bar *serrated/toothed bar *Smooth I bar *Serrated I bar |
Bearing bar thickness | *2mm to 10mm, 3mm and 5mm recommended |
Bearing bar pitch | *12.5-30mm/40mm/50mm/60mm/80mm/90up,30and40mm recommended |
Bearing bar specification | *flat bar and serrated bar 20*3,20*5,25*3,25*5,30*3,30*4,30*5,32*3,32*5,35*3,35*5,40*3,40*5, 45*5,50*3,50*5,55*5,60*5,65*5,70*6,75*6,75*8,80*8,90*8,100*8, 120*8,130*8,150*8 *I-section bar 25*5*3,32*5*3,38*5*3,44*5*3,50*5*3,50*7*4,55*7*4,60*7*4, 65*7*4,75*7*4 |
Cross bar | *5*5mm,6*6mm,8*8mm |
Cross bar pitch | *30mm,38mm,50mm,76mm,100mm,50mm and 100mm recommended |
Surface treatment | *Hot dipped galvanized *Untreated(self-color) *Painted |
HDG standard | *ASTM A123 *BS729 *AS1650 |
Grating Standard | *AS1657-2013 *BS4592-2006 *ANSI/NAAMM(MBG531-88) |
We Yantai Youhe Steel Structure Co.,Ltd. is a professional manufacturer of steel grating in East of China Yantai city near QINGDAO port. Main products include mild steel Q235, S316,SS304 steel gratings,stair treads,trench cover,handrail stanchions which are widely used in Petrochemical Industry,Oil fields,Boiling paltform,seaport and vessel construction,power plant and so on. They are very popular in Australia, South America, South-east Asia, Europe and so on.
Contact Bella:
Mobile Phone:136-9788-6405
WeChat:+86-136-9788-6405 (WhatsApp)
Web site:www.ytyouhe.com
Email: bella (at) ytyouhe.com
1.Steel Grating (flat bar, serrated bar, flat I bar, serrated I bar)
2.Trench Cover, Drainage Cover
3.Steel Ladders and Stair Treads
4.Ball Joint Railings and Stanchions