IDSI - Main Rail Properties

	Products

115 41st Street
Pittsburgh, PA 15201 USA

T (412) 682-3041
F (412) 682-3560

info@idsi.org
www.idsi.org

Concrete Filled Steel Grid Decks

Open Steel Grid Decks

Weldless Concrete Overlayed Steel Decks

Main Rail Types

Miscellaneous Details

4¼" Main Rail Properties

rail1 (7K)

Area	1.471 in²
Weight	5.000 plf
N.A	1.994 in
I_x	3.635 in⁴
S_top	1.611 in³
S_bottom	1.823 in³

5-3/16" Standard Main Rail Properties

rail2 (7K)

Area	1.646 in²
Weight	5.560 plf
N.A	2.179 in
I_x	5.108 in⁴
S_top	1.698 in³
S_bottom	2.344 in³

5-3/16" Ribless Main Rail Properties

rail3 (5K)

Area	1.577 in²
Weight	5.360 plf
N.A	2.160 in
I_x	5.094 in⁴
S_top	1.683 in³
S_bottom	2.359 in³

ST 2 x 3.85 Main Rail Properties

rail4 (6K)

Area	1.121 in²
Weight	3.850 plf
N.A	0.436 in
I_x	0.295 in⁴
S_top	0.189 in³
S_bottom	0.677 in³

WT 3 x 4.5 Main Rail Properties

rail5 (7K)

Area	1.332 in²
Weight	4.500 plf
N.A	0.609 in
I_x	0.901 in⁴
S_top	0.388 in³
S_bottom	1.490 in³

WT 4 x 5 Main Rail Properties

rail6 (7K)

Area	1.472 in²
Weight	5.000 plf
N.A	0.937 in
I_x	2.080 in⁴
S_top	0.692 in³
S_bottom	2.220 in³

WT 5 x 6 Main Rail Properties

rail7 (7K)

Area	1.761 in²
Weight	6.00 plf
N.A	1.342 in
I_x	4.238 in⁴
S_top	1.180 in³
S_bottom	3.158 in³

WT 6 x 7 Main Rail Properties

rail8 (8K)

Area	2.071 in²
Weight	7.000 plf
N.A	1.741 in
I_x	7.507 in⁴
S_top	1.782 in³
S_bottom	4.312 in³


	*PENNDOT's Bulletin 15* IDSI is listed in PENNDOT's Bulletin 15 as a supplier of approved construction materials.