FRC materials comparison 2014

	A	B	C	D	E	F	G	H	I	J	K	L	M
1		MATERIAL	DENSITY	MODULUS OF ELASTICITY (rigidity)	TENSILE STRENGTH (best)	TENSILE STRENGTH (worst)	SHEAR STRENGTH	COMPRESSION STRENGTH (best)	COMPRESSION STRENGTH (worst)	HARDNESS	TOUGHNESS (IZOD)

2		UNITS--->	LB/IN3	ksi	psi	psi	psi	psi	psi	units listed	J/cm3
3	WOODS
4		BALSA, TROPICAL	0.00578	460	10,600	145	160	1310	160	89 lb
5		PINE, WHITE	0.01230	1070	5300	260	640	2370	310	292 lb	northern white pine
6		OAK, RED	0.02280	1822	14,400	798	1780	6820	1250	1280 lb
7		SPRUCE	0.01250		5500	230		5600	330	360lb	american Sitka
8		MAHAGONY	0.02170	1430	8700	290	1130	6530	1000
9		ROCK MAPLE	0.03150	1832	9100	770	2340	7830	750	1440 lb
10
11	PLASTICS											PTFE?
12		POLYETHELENE(TUPPERWARE)	0.03290	450	8200	406				48.5 shore D	3.48 J/cm3
13		HDPE (MILK JUG, LITTLE TIKES)	0.03550	200	6420	1450				64 shore D
14		UHMW-PE ("MAGIC PLASTIC")	0.03360	110	5800	5800				66 shore D
15		ABS	0.03830	304	10600	3500				107 rockwell R
16		POLYSTYRENE	0.03900	310	15100	6530				85 rockwell M
17		POLYVINYL CHORIDE ('PVC')	0.04989	480	11000	7200				80 shore D
18		POLYCARBONATE ('LEXAN')	0.05560	345	18000	4350				73 rockwell M
19		ACRYLIC (PMMA, PLEXIGLAS)	0.04300	480	10200					93 rockwell M
20		6061-T6 (hard aluminun)	0.09750	10	60000	45000		88000		95 Brinell
21		ACETALS ("DELRIN")	0.05130	420	11000	9000	9000	16000	5200	86 Shore D	53 J/m	175439	strengfht/density
22
23	PLASTIC FOAMS
24		STYROFOAM "LB"	0.00108	17.4	72	na		43	15	na
25		POLYURETHANE FOAM	0.01160	19.94				780				"Great stuff"
26		POLYETHYLENE FOAM	0.03350	1.73	60	25		12	2	na		zotefoam
27
28	ELASTOMERS
29		NEOPRENE CR	0.04440	800%	3000	500				20-95 shore O
30		PORON FOAM	0.01150	135%	200	70				18-55 shore O
31		POLYURETHANE	0.03790	650%	8000					20-100 shore O
32		NATURAL RUBBER	0.03360	700%	4000					30-100 shore O
33
34	COMPOSITES
35		MDB MEDIUM DENSITY BOARD	0.02719	600	2600	2600		1500		50 shore D
36		OSB BOARD	0.02315	934	5200	3500		1500	1000
37		PLYWOOD		1500	4000	1500		5000	3000
38		FRP FIBERGLASS	0.06500		50000	30000
39		CARBON FIBER EPOXY	0.06500	35000	600000
40		KEVLAR-ARAMID	0.05000	18000	525000
41
42	METAL-CU
43		COPPER, PURE	0.32300	16.7	36000	28000
44		BRONZE 82/18 AL	0.26900	62.1	99000	51000		142000	34000
45		BRASS 15 ZN	0.30700	16.1	39000	18000				56 Rockwell F
46		BE-CU	0.29800	16.1	117000	70000				45 rockwell C
47
48
49	METAL -AL
50		3003-H12 diamondplate	0.09860	10000	23000	18000				35 Brinell
51		5052-H32	0.09680	10.2	33000	28000				60 Brinell
52		POLYAMIDE ('NYLON-6')	0.03000	450	13100	6250				80 shore D		208333.3333
53		6063-T5 (extrusion)	0.09750	10	27000	21000				60 Brinell		215384.6154
54
55	METAL-FE
56		CAST IRON-gray	0.25000	23	25000	9500		200000	83000	25 Rockwell C
57		MILD STEEL 1008	0.28440	29	34000	26100				86 Brinell
58		MED STEEL 1020 ('A36')	0.28400	29	48000	45000				143 Brinell
59		18-8 STAINLESS	0.28900		38000	20000
60		4130 CHROME MOLY	0.28700	30	85000	70000		450000	123000	300 Brinell
61		Grade 5 bolt			92000	85000
62		Grade 8 Bolt2			130000	74000
63	METAL-TI
64		TITANIUM	0.16000	15	205000	110000		186000	125000	40 Rockwell C
65	MINERALS
66		CONCRETE	0.20000	4350				19000	10000
67		BLACKTOP	0.08000					6000	4200
68		GRANITE	0.10400	70	39000			319000
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