❌ – Many tables still use inch-pound units, causing conversion errors in metric countries. (ASME now allows dual units but defaults to US customary).
✅ – Reduces liability disputes; engineers from different countries can design to same rules. asme norme
✅ – Safety factors are conservative but well-proven (e.g., 3.5 for burst pressure). Failure databases are unmatched. ❌ – Many tables still use inch-pound units,