ISO9001 Galvanized Stair Treads & Steel Stair Treads
Place of Origin:China
Brand Name:GNEE
Certification:SGS
Price:Negotiable
Payment Terms:Negotiable
Supply Ability:100 ton/week
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Product Details
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ISO9001 galvanized steel stair treads
,galvanized steel stair treads with warranty
,heavy-duty steel stair treads
Product Description
ISO9001 Galvanized Stair Treads & Steel Stair Treads
Product Profile
We manufacture different styles of stair ladders for residential, industrial and construction applications.
Materials
- Mild steel (black)
- Hot dip galvanized steel
- Stainless steel grating
Applications
Ladders, flooring walkways, platforms, steel structures, stair treads, well covers, trench covers, sump covers, compound gratings, storage shelves, fences, handrails and more for:
- Construction projects
- Oil projects
- Seaports
- Power plants
- Water treatment plants
- Defense projects
- Chemical factories
Stair Tread Types
- T1: Welded fixing, without nosing
- T2: Bolted fixing, without nosing (easy installation and removal)
- T3: Welded fixing with checkered plate nosing (skid resistant)
- T4: Bolted fixing with checkered plate nosing (easy installation/removal, skid resistant)
Material Options
- Mild Steel (Low Carbon Steel)
- Stainless Steel
Surface Treatments
- Untreated
- Painting
- Powder coating
- Hot dip galvanizing
Steel Grating Standards
- China: YB/T4001-1998
- USA: ANSI/NAAMM (MBG531-88)
- UK: BS4592-1987
- Australia: AS1657-1988
- Japan: JJS
Steel Stair Treads Specifications
| Pitch of Bearing bar | Cross-bar Pitch | Specification of bearing bar load (width×thickness) |
|---|---|---|
| 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 | |
| 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 | |
| 60 | 50 | G325/60/50 | G405/60/50 | G455/60/50 | G505/60/50 | G555/60/50 | G605/60/50 |
Maximum Stair Treads Lengths
| Steel grating specification | Bearing bar size 25×3 | Bearing bar size 25×5 | Bearing bar size 32×5 |
|---|---|---|---|
| Bearing bar pitch 30mm | 550 | 900 | 1300 |
| Bearing bar pitch 40mm | 450 | 750 | 1200 |
Product Summary
ISO9001 Galvanized Stair Treads & Steel Stair Treads Product Profile We manufacture different styles of stair ladders for residential, industrial and construction applications. Materials Mild steel (black) Hot dip galvanized steel Stainless steel grating Applications Ladders, flooring walkways, ...
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