| A.I.S.C. HOT-ROLLED STRUCTURAL STEEL SHAPE DESIGNATIONS | ||
| New Designation | Type of Shape | Old designation |
| W 24 x 76 | W shape | 24 WF 76 |
| W 14 x 26 | W shape | 14 B 26 |
| S 24 x 100 | S shape | 24 I 100 |
| M 8 x 18.5 | M shape | 8 M 18.5 |
| M 10 x 9 | M shape | 10 JR 9.0 |
| M 8 x 34.3 | M shape | 8 x 8 M 34.3 |
| C 12 x 20.7 | American Std. Channel | 12 C 20.7 |
| MC 12 x 45 | Miscellaneous Channel | 12 x 4 C 45.0 |
| MC 12 x 10.6 | Miscellaneous Channel | 12 JR C 10.6 |
| HP 14 x 73 | HP shape | 14 BP 73 |
| L6 x 6 x 3/4 | Equal Leg Angle | L 6 x 6 x 3/4 |
| L6 x 4 x 5/8 | Unequal Leg Angle | L 6 x 4 x 5/8 |
| WT 12 x 38 | Structural Tee | ST 12 WF 38 |
| WT 7 x 13 | Cut from W shape | ST 7 B 13 |
| ST 12 x 50 | Cut from S shape | ST 12 I 50 |
| MT 4 x 9.25 | Cut from M shape | ST 4 M 9.25 |
| MT 5 x 4.5 | Cut from M shape | ST 5 JR 4.5 |
| MT 4 x 17.15 | Cut from M shape | ST 4 M 17.15 |
| PL ½ x 18 | Plate | PL 18 X ½ |
| Bar 1 | Square Bar | Bar 1 |
| Bar 1-1/4 Ο | Round Bar | Bar 1-1/4 Ο |
| Bar 2-1/2 x 1/2 | Flat Bar | Bar 2-1/2 x 1/2 |
| Pipe 4 Std. | Pipe | Pipe 4 Std. |
| Pipe 4 x . Strong | Pipe | Pipe 4 x-Strong |
| Pipe 4 xx Strong | Pipe | Pipe 4 xx-Strong |
| TS 4 x 4 x .375 | Structural Tubing: Square | Tube 4 x 4 x .375 |
| TS 5 x 3 x .375 | Rectangular | Tube 5 x 3 x .375 |
| TS 3 OD x .250 | Circular | Tube 3 OD x .250 |
