galvanized steel stairs,galvanized steel grate - YND--galvanized steel stairs

galvanized steel stairs,steel grate, metal plank grating, Steel Grating Specialist, ISO9001:2008, hot-dipped and electro gal - details see: https://www.buildingsupplieshub.com/galvanized-steel-stairs-galvanized-steel-grate-10093584

Type: Stair Parts	Place of Origin: Hebei China (Mainland)	Brand Name: YND	Model Number: YND--galvanized steel stairs
Stair Part Material: Metal	Grating Standard: ANSI/NAAMM(MBG531-88),BS4592-1987,YB/T4001-1998 and others	Surface treatment: Hot-dip-galvanizing or self-color.(Black color)	Molds: 19-W-4,15-W-2,30/100,40/50 and all mold is available
Grating Type: Serrated, Plain or I bar surface

galvanized steel stairs,galvanized steel grate

We produce three kinds of steel gratings, they are steel grate,Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating. They are widely used in steel structure platforms, stair treads, sidewalks, drainages and well covers etc. We can design and manufacture standard steel grating and in customized shapes per client's requirements.

galvanized steel stair treads

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, 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,Japan:JIS