Galvanized steel tread stairway for Australia - CT1-9

1. short delivery Stair Tread, 2.customizable ,according to custmer required, 3.QC control system - details see: https://www.buildingsupplieshub.com/galvanized-steel-tread-stairway-for-australia-10086865

Place of Origin: Liaoning China (Mainland)	Brand Name: TC	Model Number: CT1-9	Material: Steel
cross bar: round, twisted bar	Application:: Steel plateform, steel structure, trench	Main Market:: USA, AUS, UK, Kuwait, South America	Material:: Steel
Application: stair tread	Surface Treatment: Black, self colour, hot dip galvanized, painted, spray coating	Grating Style: Plain / Smooth, Serrated /teeth, I bar, serrated I bar	Twisted Cross Bar Pitch: 38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4''etc
Size: accordng to customer drawing

Galvanized steel tread stairway for Australia

contact supplier for Galvanized steel tread stairway for Australia

Specification of Steel stair tread

1.The shape of bearing bar:Plain type (may be omitted in the symbol of steel stair tread ), 9types

9 Types:

1. Welded Fixing ,Banded Ends.No nosing TypeCT1

2.Welded Fixing,Banded Ends,Floor Plate Nosing TypeCT3

3.Welded Fixing ,Banded Ends,Abrasive Nosing TypeCT5

4. Bolted Fixing ,Holed End Plates,No Nosing TypeCT2

5.Bolted Fixing,Holed end Plates,Floor Plate Nosing TypeCT4

6.Bolted Fixing , Holed End Plates, Abrasive Nosing TypeCT6

7.Welded Fixing, Banded Ends,Plain grating, No Nosing TypeCT7

8.Welded Fixing,Banded Ends,Floor Plate Nosing TypeCT8

9.Welded Fixing,Banded Ends,Abrasive Nosing TypeCT9

No	Item	Description
1	Bearing Bar	25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etc I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc US standard: 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'', 1''x1/8'', 1 1/4''x1/8'', 1 1/2''x1/8'' etc
2	Bearing Bar Pitch	12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc.
3	Twisted Cross Bar Pitch	38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4''etc
4	Material Grade	ASTM A36, A1011, A569, Q235, S275JR, SS304, SS400, Mild steel & Low carbon steel, etc
5	Surface Treatment	Black, self colour, hot dip galvanized, painted, spray coating
6	Grating Style	Plain / Smooth, Serrated /teeth, I bar, serrated I bar
7	Standard	China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987, Australia: AS1657-1985, Germany: DIN24537-1-2006, Japan: JIS

Tolerance
The allowed deviation of length is +0/-5mm, while the allowed deviation of width is +/-5 mm.
The non-perpendicularity of bearing bar is allowed no more than 10% of width of bearing bar.
Cross bar surface should not surpass bearing bar surface 1mm, beginning & end of cross bar should not surpass the end surfaces of two sides of grating 2mm.

Packaging Detail:Platic wrapping or according to customer

Delivery Detail:30working days