Stair Treads/Walkway Specifications

Carbon Steel – Grating
Style	Lbs. Per 100 Sq. Ft.		Standard Sheet Size (Feet)		Design Size (Inches)		Opening Size (Inches)		Size of Strands in Inches		Overall Thickness Inches	No. of Designs Per Foot		Percent Open Area
	Plain	Galv. Wt.	Width SWD	Length LWD	SWD	LWD	SWD	LWD	Width	Thickness		SWD	LWD
3 lb.	300	3.15	4 & 6	8 & 10	1.330	5.330	0.940	3.440	0.264	0.183	0.540	9.0	2.250	60
3.14 lb.	314	3.30	4 & 6	8 & 10	2.000	6.000	1.625	4.880	0.312	0.250	0.656	6.0	2.000	69
4 lb.	400	4.18	4 & 6	8 & 10	1.330	5.330	0.940	3.440	0.300	0.215	0.618	9.0	2.250	55
4.27 lb.	427	4.46	4 & 6	8 & 10	1.410	4.000	1.000	2.880	0.300	0.250	0.625	8.5	3.000	58
5 lb.	500	5.20	4 & 6	8 & 10	1.330	5.330	0.813	3.380	0.331	0.250	0.655	9.0	2.250	50
6.25 lb.	625	6.47	4 & 6	8 & 10	1.410	5.330	0.813	3.380	0.350	0.312	0.715	8.5	2.250	50
7 lb.	700	7.25	4 & 6	8 & 10	1.410	5.330	0.813	3.380	0.391	0.312	0.740	8.5	2.250	45

Stainless 304 – Grating
Style	Lbs. Per 100 Sq. Ft.		Standard Sheet Size (Feet)		Design Size (Inches)		Opening Size (Inches)		Strand Size (Inches)		Overall Thickness	No. of Designs Per Sq. Foot		% Open Area
	Plain	--	Width SWD	Length LWD	SWD	LWD	SWO	LWO	Width	Thickness Gauge		SWD	LWD
3.3 lbs.	3.3	--	4	10	2.00	6.0	1.625	4.88	.312	.250	.656	6	2	69
4.5 lbs.	4.5	--	4	10	1.41	4.0	1.000	2.88	.300	.250	.625	8.5	3	58

Aluminum 5052 H-32 – Grating

Style

Lbs. Per 100 Sq. Ft.

Standard Sheet Size (Feet)

Design Size (Inches)

Opening Size (Inches)

Strand Size (Inches)

Overall Thickness

No. of Designs Per Sq. Foot

% Open Area

Plain

--

Width SWD

Length LWD

SWD

LWD

SWO

LWO

Width

Thickness

SWD

LWD

2.0 lbs.

2.0

--

4 5

8 10 & 12

1.33

5.33

.940

3.44

.387

.250

.730

9

2.25

48

All weights, gauges and dimensions are approximate.