In the Identification Mark on a CFS Member "362S125- 30

Multiple Choice

In the identification mark on a CFS member "362S125- 30 (33) G40", the number 30 implies that

A) the thickness of steel sheet used for the member is 0.030 in.
B) it is a 30- in.- long member.
C) it is a 30- ft- long member.
D) the thickness of steel used for the member is gauge 30.
E) none of the above.