Plate Nosing Plain /serrated Stair Treads galvanized steel for platform Ladder welding or bolting installation
We Yantai Youhe Steel Structure Co.,Ltd. have nealy 10 years of experience in manufacturing High quality steel grating with various sizes, Especially Floor Grating.
Standard Welded Galvanized Steel Grating Factory
Main products include steel grating,stair treads,trench cover,handrail stanchions which are used in Petrochemical Industry,Oil fields,Boiling paltform,seaport and vessel construction,power plant and so on. They are very popular in all over the world.
| Product name |
*Steel grating |
| Material |
*Carbon steel/stainless steel304/SS316 |
| Material standard | *ASTM A36/BS4360/AS3679/Q235B |
| Bearing bar type | *Smooth bar/serrated bar/Sooth 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*5,32*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 | *5mm,6mm,8mm |
| Cross bar pitch | *30mm,38mm,50mm,76mm,100mm,50mm and 100mm recommended |
| Surface treatment | *Hot dipped galvanized/untreatment/painting |
| HDG standard | *ASTM A123/BS729/AS1650 |
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1.Raw Material Beaing Bar 2. Pressure Welding
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3.Cutting 4.Band Plate Welding
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5.Poilishing 6. Hot Dip Galvanizing
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7. Packing 8. Loading
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 |
Main Type:
T1 Welded fixing Without nosing
T2 Bolted fixing Without nosing
T3 Welded fixing Checkered plate nosing
T4 Bolted fixing Checkered plate nosing
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
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