HOT SALE Galvanized Stair Tread(factory)

Stair Tread 1.Metal grating 2.ASTM A123,SS400 3.Common pitch:30mm&40mm 4.Used in flooring,walkway ect. Stair TreadStair tread description

Stair tread is made of steel grating, and widely used  of different types of steel ladders, featuring easy installation, strong structure and aesthetic appearance, and good water permeability. We can fabricate according to customers sizes.

Stair tread specification

1. Forge Welded Grating Standardizations:

Countries	National Standards for Grating	Materials	Galvanizing Standards
China	YB/T 4001.1-2007	GB 700-88	GB/T13912-2002
America	ANSI/NAAMM(MBG531-00)	ASTM(A36)	ASTM(A123)
Britain	BS4592-1995	BS4360(43A )	BS729
Australia	AS1657-1992	AS3679	AS1650

2.Bearing Bar Sizes: 1"x1/8",1-1/4"x1/8",1-1/4"x3/16",1-1/2"x3/16",2"x3/16",2"x1/4".

3.Bearing Bar Pitches:12.5mm,15mm,24mm,25mm,30mm,30.16mm(1-3/16"),32.5mm,34.33mm,35.33mm,38mm,40mm,41.25mm,50mm,60mm

4.Cross Bar Pitches: 38.1mm, 50mm, 75mm, and 100mm,101.6mm(4").

5.Standard Grating Panels Sizes: 3'x12', 3'x20', 3'x24'.

6.Surface Treatment: Bare, Paint and Hot Dipped Galvanized.

7.There are three kinds of steel gratings distinguished by different bearing bar types.The respective of features are as follows:

♥ Plain:One of the most widely used gratings,available for flooring,sidewalk,dranage pit cover,stair tread,etc.

♥ Serrated:Better non-skid property & safety compared with plain grating.

♥ I-Shape:lighter,more economical and practical compared with plain grating.

Stair tread picture shows

 

 

 

 

 

 

 

 

 

 

 

 

 

HOT SALE Galvanized Stair Tread(factory)