How do you calculate the swl of a steel beam?

Answer:
Ask a mechanical engineer. People's lives often depend on the answer and some random guy on the internet that isn't bonded, licensed, or hasn't even graduated high school could provide you with an answer indistinguishable from a real equation.
First answer by Jeff McNeely. Last edit by Jeff McNeely. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 20 [recommend question].