Wondering how a 16-inch Sch120 stainless steel 304 pipe cap is actually made and inspected? In this video, we walk through the ASME B16.9 butt weld end cap — from raw material and forging to beveling, surface finish, marking, and final quality checks. You'll see real workshop footage, key dimensions, and practical tips for ordering and installation. Perfect for engineers, buyers, and fabricators who want clear, no-hype insight before specifying.