Brown-Campbell     1-800-GRATING or 1-800-472-8464
Home Products Stock Lists Locations Free Catalog Request Quote
Same Day Shipments!  Huge Inventory!  ISO 9001:2000 Certified!
Bar Grating
Home		 Design Details/
Accessories		 Light Duty Carbon Aluminum Stair Treads Photos
Stock List Types/Construction Heavy Duty Carbon Stainless Steel Load Tables How To Order 

Aluminum Rectangular Bar Stair Treads

Swaged

•Maximum Tread Lengths
•End Plate Dimensions
•Tread Width Including Nosing
•Weight Table Per Inch of Tread Length

 

Maximum Tread Lengths

19AP4/19AS4/19AF4
1-3/16" Center to Center of Bearing Bars
Bearing Bar Size Plain Serrated

1" x 3/16"

2'-4"

2'-2"

1-1/4" x 3/16"

2'-10"

2'-7"

1-1/2" x 3/16"

3'-6"

3'-2"

1-3/4" x 3/16"

4'-3"

3'-10"

*Maximum tread length based on 300 lb. concentrated load on front 5 in. of tread at center of tread length and deflection limitation of 1/240 length.

Back to Top

 

End Plate Dimensions

19AP4/19AS4/19AF4
1-3/16" Center to Center of Bearing Bars
Grating Depth Up to 1-1/4" 1-1/2" to 1-3/4"

Dimension "B"

1-3/4"

2-1/4"

Dimension "C"

2-1/2"

3"

Dimension "A":  See Tread Width

Back to Top

 

Tread Width Including Nosing

19AP4/19AS4/19AF4
1-3/16" Center to Center of Bearing Bars

No. of Bearing Bars

 Bearing Bar Depth

Bolt Hole Spacing
Dimension "A"
3/16"

Tread Width

5

6-3/16"

2-1/2"
6

7-3/8"

4-1/2"
7

8-9/16"

4-1/2"
8

9-3/4"

7"
9

10-15/16"

7"
10

12-1/8"

7"

Back to Top

 

Weight Table per Inch of Tread Length

19AP4/19AS4/19AF4
1-3/16" Center to Center of Bearing Bars

No. of Bearing Bars

Nosing*

1" x 3/16"

1-1/4" x 3/16"

1-1/2" x 3/16"

1-3/4" x 3/16"
5

G/SN

 .13 .15 .18 .19
CA .17 .19 .21 .23
6

G/SN

 .16 .18 .21 .23
CA .19 .21 .24 .27
7

G/SN

 .18 .21 .24 .27
CA .22 .24 .28 .30
8

G/SN

 .21 .23 .28 .31
CA .24 .27 .31 .34
9

G/SN

 .23 .27 .31 .35
CA .26 .30 .34 .38
10

G/SN

 .25 .30 .35 .39
CA .29 .33 .38 .42

*G/SN = Grooved Nose; CA = Cast Iron/Aluminum Abrasive Nosing

Back to Top

©2007 Copyright Brown-Campbell Company.  All Rights Reserved.