SKYWALKER, METAL - BIG VEHICLE CRASH

This's a Skywalker Sound sound effect, probably designed by Gary Rydstrom.

TV Series

 * Star Wars: The Clone Wars (Heard once in "Kidnapped" in a low pitch and in "Nightsisters")
 * The Young Indiana Jones Chronicles

Movies

 * The Iron Giant (1999) (including high-pitched versions)
 * Nine Months (1995)
 * Pearl Harbor (2001)
 * Radioland Murders (1994)
 * Red Tails (2012)
 * Terminator 2: Judgment Day (1991)

Audio Samples
This crash/clanging sound can be best sampled from Radioland Murders when the sound guy is crashing the controls off-screen and in Pearl Harbor after a Japanese fighter airplane dives and crashes by the camera, among other projects listed.