ISO9001 Galvanized Stair Treads & Steel Stair Treads
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
5-9 working days
Brand:
GNEE
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 |
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Gnee Steel (tianjin) Co., Ltd
Location
No.4-1114, Beichen Building, Beicang Town, Beichen District, Tianjin, China
Contact Person
Zhang