Ask a fresh engineer what the most powerful tool in their kit is, and they’ll say CAD , or FEA , or maybe a screwdriver . Ask a grizzled test engineer, and they’ll point to a PDF. Specifically, .
Who wins? Company B — because they read PTC 19.1. Company A’s claim is a fantasy; Company B’s is honest engineering . In court, in contracts, in performance guarantees, . asme ptc 191 pdf