Gnee Steel (tianjin) Co., Ltd
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Product Specification
| High Light | Bearing Bar Specifications Steel Stair Treads ，BS4592-1987 Standard Steel Ladder Plate ，AS1657-1985 Standard Steel Grating Treads | ||
Step plate The tread plate, also known as the stair tread plate, steel ladder plate or steel ladder, is a type of staircase with grating plates used on the platform. According to the installation method, there are generally two major types: welded fixation and bolted fixation. The type that is directly welded to the keel does not require the addition of side plates for the tread plate, which is relatively economical and durable but not easy to disassemble. The bolt-fixed tread plate requires thickened side plates on both sides, with holes drilled in the side plates, and is directly fixed by bolts during installation.
1) Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 25 x 3 to 100 x 8; The specification of I-section type is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc.
2) Bearing Bar Pitch (center to center):
12.5, 25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended, America standard is available <1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1/4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4) and so on. >
3) Material:
Mild Steel (Low Carbon Steel) or Stainless Steel
4) Surface Treatment:
Untreated, Painting or Hot DIP Galvanizing
5) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
E) Japan: JJS
| Stair Tread Types | Nosing Type | Fixing Type | Ends |
| T1 | Without | Welded | Banded Ends |
| T2 | Without | Bolted | Holed End Plates |
| T3 | Checkered Plate Nosing | Welded | Banded Ends |
| T4 | Checkered Plate Nosing | Bolted | Holed End Plates |
| T5 | Yellow Abrasive Nosing | Welded | Banded Ends |
| T6 | Yellow Abrasive Nosing | Bolted | Holed End Plates |
| T7 | Perforated Plate Nosing | Welded | Banded Ends |
| T8 | Perforated Plate Nosing | Bolted | Holed End Plates |
| T9 | Anti Slip Strip Nosing | Welded | Banded Ends |
| T10 | Anti Slip Strip Nosing | Bolted | Holed End Plates |
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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