Section shapes were divided into several groups which, in most cases, are divided into subgroups.
| Shape Type | Section Description |
|---|---|
| 1 |
Equal leg angle in central axes parallel to legs |
| 2 |
Equal leg angle in central axes |
| 3 |
Unequal leg angle in central axes parallel to legs |
| 4 |
Unequal leg angle in central axes |
| 5 |
Two angles in cruciform shape in central axes parallel to legs |
| 7 |
Two angles in cruciform shape in central axes |
| 6, 8, 9 |
Two angles with legs back to back 6 - Two equal leg angles 8 - Two angles (with unequal legs) with longer legs back to back 9 - Two angles (with unequal legs) with shorter legs back to back |
| 10-15, 20-25, 30 |
I-shapes 10-12 - Thin-walled flange and web of similar length (HEA, HEAA, HEB) 13, 14 - Thick-walled flange and web of similar length (HEC, HEM) 15 - Large section with narrow flange and high thick-walled web (HER) 20-24 - Web approximately twice longer than flange, thin walls (IPE, IPEA, IPEO, IPER) 25 - Identically as 20-24, with oblique flanges (IPN) 30 - Identically as 15, welded (PRS) |
| 16-19 |
Two welded I shapes 16, 17 - Two I-sections of similar web and flange length (HHEA, HHEB) 18 - As above, thick-walled (HHEM) 19 - Two I-sections with webs longer than flanges (IIPE) |
| 26-29 |
T-shapes 26, 27 - Flange approximately twice longer than web (HEA, HEB halves) 28 - As above, thick-walled (HEM halves) 29 - Web and flange of similar length (IPE halves) |
| 32,33 |
T-shape |
| 31 |
Square structural tubing |
| 34 |
Hexagonal structural tubing |
| 35 |
Rectangular tubing |
| 36 |  {bmc S_typ_15.bmp} Pipe |
| 37, 38 |
Channels 37 - Straight flanges 38 - Oblique flanges |
| 39, 40 |
Two channels back to back 39 - Straight flanges 40 - Oblique flanges |
| 41 | Solid rectangular section (recognized by the program to be a timber section) |
| 42 |
Cold-bent channel |
| 43 | Solid rectangular section (recognized as a steel section) |
| 44 | Solid circular section |
| 45 |
Half-closed channel |
| 46 |
U-type rounded section |
| 47 |
Rectangular pipe - rounded |
| User-defined sections: | |
| 91 |
Box section |
| 92 |
Rectangular pipe section |
| 93 | Circular pipe section |
| 94 |
Symmetrical I-section |
| 95 |
Asymmetrical I-section |
| 96 |
T-section |
| 97 |
Channel |
| 99 |
Double rectangular section - timber |
| 100 | Solid circular section (recognized in the program to be a timber section) |
| 201 |
Cross section |