Previously I was unable to find any videos showing off all the sounds and properties of the materials listed on the Valve Developer Wiki, so i decided to make a video of them myself.
I hope this helps you.
0:00 Notice
===Special===
0:32 default
0:55 default_silent
1:14 floatingstandable
1:35 item
1:55 nodecal
2:15 player
2:55 player_control_clip
===Concrete / Rock===
3:20 boulder
3:46 brick
4:10 concrete
4:30 concrete_block
4:50 rock
===Metal===
5:10 canister
5:37 chain
6:03 chainlink
6:25 crowbar
6:45