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  | 
See also: