The American Iron and Steel Institute (AISI) has established
the following alphabetical designations to classify the various
groups of steel:
| Wide Flange Beam |
W |
| Structural Tee-Cut from W Beam |
WT |
| American Standard Beam |
S |
| Structural Tee-Cut from S Beam |
ST |
| American Standard Channel |
C |
| Miscellaneous Channel |
MC |
| Angle-Bar and Structural |
L |
| Miscellaneous Shape |
M |
WELDABILITY
Excellent Response from all types of welding processes, produces
high quality welds and joints