Here are some of the dynamic blocks I have made.
If you have something better, I would like to see it. (this isn't meant to be arrogant)
All of my web and flange thicknesses for my wide flange block are all 5/8" unless something thicker is called for. I don't draw the thickness less than this cause I think it looks bad when plotted thinner than 5/8". The depth of the beam and width of the flange is always correct according to size of beam.
Don't forget to check out the connection angle attached to the web of the beam. The hidden line running vert. down the angle would be for the web of the connecting beam. this could be removed.
Believe it or not I have spent a lot of time creating these blocks. But people on this site has save me time by helping me over the years and I appreciate the time they have given me. So I don't mind to share this with you.