Standard BeamsS 3 x 5.7 to 7.5
S 4 x 7.7 to 9.5
S 5 x 10 to 14.75
S 6 x 12.5 to 17.25
S 7 x 15.3
S 8 x 18.4 to 23
S 10 x 25.4 to 35
S 12 x 31.8 to 50
S 15 x 42.9 to 50
S 18 x 54.7 to 70
S 20 x 66 to 86
S 24 x 80 to 121
For more information please contact sales@seaportsteel.com or (for faster service) call (206) 343-0700.