Ultrasound Speed in Different Materials

	METALS	m/s				m/s
A	ALUMINIUM	6 320 - 6 400		M	MOLYBDENUM	6 250 - 6 300
	ALUMINIUM 2024-T4	6 380			MERCURY	1 450
	ASBESTOS CEMENT	2 200			NICKEL	5 480 - 6 040
B	BERYLLIUM	12 890			PLATINUM	3 960
	BORON CARBIDE	10 920		S	SILVER	3 600 - 3 700
	BRASS	3 800 - 4 700			STEEL,  MILD	5 900 - 6 100
C	CAST  IRON	3 500 - 5 600			STEEL,  CASTING	5 850
	"        "  (MODULAR  GRAPHITE)	5 600			STEEL,  STAINLESS (AUSTENITIC)	5 660 - 6 120
	CAST  GREY  MIDDLE	4 600			STELLITE	7 050
	COPPER	4 650 - 4 720		T	TIN	3 300 - 3 330
	CADMIUM	2 770 - 2 800			TITANIUM	5 900 - 6 100
	CHROMIUM	6 200			TUNGSTEN CARBON	6 650
G	GOLD	3 200 - 3 250			TUNGSTEN	5 180 - 5 400
	INCONEL	5 820			URANIUM	3380
	IRON	5 890 - 5 930		W	WOLFRAM	5 460
	LEAD	1 960 - 2 400			ZINC	4 170 - 4 320
M	MANGANESE	4 660 - 4 700			ZIRCALOY 2	4 700
	MAGNESIUM	5 770 - 5 840			ZIRCONIUM	4 650
	NON-METAL (m/s)
A	ACRYLIC	2 870			NYLON	2 600 - 2 690
	ACRYLIC  RESIN	2 730 - 2 870			OIL (SAE 30)	1 740
	AIR	330		P	PARAFFIN  WAX	2 200
	ALUM.  OXIDE	8 700			PERSPEX	2 860
C	CERAMIC  (MACOR)	5 631			PHENOLIC	1 400
	DIAMOND	17 500			PLEXI GLASS	2 700
	DIESEL  OIL	1 250			POLYAMIDE	2 380
	EPOXY  RESIN	2 650			POLYETHYLENE	1 900 - 2 400
G	GLASS  (FLINT)	4 260			POLYURETHANE	1 780 - 1 900
	GLASS  (CROWN)	5 260 - 6 120			POLYSTYRENE	2 340 - 2 400
	GLASS  (QUARTZ)	5 570			PORCELAIN	5 600 - 5 900
	GLASS  (WINDOW)	6 800			PVC	2 400
	GLYCERINE	1 920		Q	QUARTZ  X  CUT	5 740
	ICE	3 980			QUARTZ  FUSED	5 980
H	HI-DENSITY POLYETHELENE	2 220 - 2 300			RUBBER  (BUTYL)	1 900
	(GREY & WHITE NOT BLACK)			R	RUBBER  (SOFT)	1 480
M	METHYLENE-OXIDE	9 980			RUBBER  (VULC.)	2 300
	MONEL	5 360 - 5 400		S	SILICONE  RUBBER	948
	MOTOR OIL (SAE 30)	1 750			TEFLON	1 350 - 1 520
	NEOPRENE	1 600			WATER	1470