Gnee Steel (tianjin) Co., Ltd
| Payment Terms | Negotiable |
| Supply Ability | 100 ton/week |
| Delivery Time | 5-9 working days |
| Packaging Details | Sea-worthy packing, ie wooden or steel tray with steel strip,etc |
| Brand Name | GNEE |
| Certification | SGS |
| Place of Origin | China |
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Product Specification
| Payment Terms | Negotiable | Supply Ability | 100 ton/week |
| Delivery Time | 5-9 working days | Packaging Details | Sea-worthy packing, ie wooden or steel tray with steel strip,etc |
| Brand Name | GNEE | Certification | SGS |
| Place of Origin | China | ||
| High Light | ISO9001 galvanized steel stair treads ，galvanized steel stair treads with warranty ，heavy-duty steel stair treads | ||
1.Profile
We manufacture different styles of stair ladders that used in family,industry and construction.
Material: mill steel black and hot dip Galvanizing / and stainless grating
Usage: 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.
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 Steel
3) Surface Treatment:
Untreated, Painting ,Powder coated or Hot dip Galvanizing
4) 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
| Pitch of Bearing bar | Cross-bar Pitch | Specification of bearing bar load(width×thickness) | |||||
| 32×5 | 40×5 | 45×5 | 50×5 | 55×5 | 60×5 | ||
| 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 |
Max. Stair treads lengths
| Steel grating specification Bearing bar size | 25*3 | 25*5 | 32*5 |
| Bearing bar pitch30mm | 550 | 900 | 1300 |
| Bearing bar pitch 40mm | 450 | 750 | 1200 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2006
Employee Number:
250~300
Ecer Certification：
Verified Supplier
GNEE STEEL ,Has dedicated in producing and exporting all types of steel gratings for more than 19 years,A Professional Steel Grating & Safety Grating Manufacturer for Projects Engineering. Factory Advanced Equipment We have more than 30 production lines... GNEE STEEL ,Has dedicated in producing and exporting all types of steel gratings for more than 19 years,A Professional Steel Grating & Safety Grating Manufacturer for Projects Engineering. Factory Advanced Equipment We have more than 30 production lines...
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