Hot DIP Galvanized Steel Stair Treads with Bearing Bar Specifications and BS4592-1987 Standard

Product Details

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Bearing Bar Specifications Steel Stair Treads

BS4592-1987 Standard Steel Ladder Plate

AS1657-1985 Standard Steel Grating Treads

Product Description

Hot DIP Galvanized Steel Stair Treads for Step Ladders

Step plates, also known as stair tread plates or steel ladder plates, are grating plates used on platforms. Available in two main installation types: welded fixation (economical and durable but not removable) and bolted fixation (requires side plates with drilled holes for bolt attachment).

Key Specifications:

Bearing Bar Specifications (mm): Plain/serrated type: 25x3 to 100x8; I-section type: 25x5x3, 32x5x3, 38x5x3, 40x5x3, 50x5x3, 50x7x4, 55x7x4, 60x7x4, 65x7x4, 70x7x4, 75x7x4
Bearing Bar Pitch (center to center): 12.5, 25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100mm (30/40/60mm recommended). American standards available: 1"x3/16", 1-1/4"x3/16", 1-1/2"x3/16", 1"x1/4", 1-1/4"x1/4", 1-1/2"x1/4" (19-w-4)
Material: Mild Steel (Low Carbon Steel) or Stainless Steel
Surface Treatment: Untreated, Painting or Hot DIP Galvanizing
Standards Compliance: China (YB/T4001-1998), USA (ANSI/NAAMM MBG531-88), UK (BS4592-1987), Australia (AS1657-1985), Japan (JJS)

Stair Tread Types

Type	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

Hot DIP Galvanized Steel Stair Tread product example

Close-up view of steel stair tread surface

Product Summary

Hot DIP Galvanized Steel Stair Treads for Step Ladders Step plates, also known as stair tread plates or steel ladder plates, are grating plates used on platforms. Available in two main installation types: welded fixation (economical and durable but not removable) and bolted fixation (requires side ...

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