I'm looking for section properties for an ARBED BZ IIIN sheet pile section from 1963 (or earlier). I have a wall that was designed in 1963 that used this section. I've located the width (17.7 in), weight (46.9 plf), section modulus (33.3 in3/LF), moment of inertia (170.4 in4/LF), and radius of...