A-36 Steel Solid Square		# Per Sq.Foot
1/2 X 18-20 FLAT		0.66
1/2 X 13 FLAT		1.4
3/4 X 9-11 FLAT		1.71
3/4 X 9 RAISED		1.8
3/4 X 10		1.18
3/4 X 13 RAISED		0.75
1*1/2 X 9 RAISED		1.2
1*1/2 X 9 FLAT		1.2
3 EXPANDED WALKWAY		3
4 EXPANDED WALKWAY		4