38. MECHANICAL MATERIAL PROPERTIES

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Table 1:

Material	Type	Density	E	G	poisson	ten - yield stress	ten - ult. stress	ten - yield strain	yield stress - comp.	ult. stress - comp.	ult. stress - shear	thermal expansion
		(Mg/m3)	(GPa)	(GPa)		(MPa)		(%)	(MPa)			10-6/deg C
aluminum	typical	2.6-2.8	70-79	26-30	0.33	35-500	100-550	1-45				23
	1100-h14
	2024-T6
	5456-h116
	2014-T6	2.8	73	36-41	0.33	410	480	13
	6061-T6	2.8	70	26	0.33	270	310	17
	7075-T6	2.7	72	26	0.33	480	550	11
Brass	typical	8.4-8.6	96-110	36-41	0.34	70-550	200-620	4-60				19.1-21.2
Yellow Brass
	cold rolled
	annealed
Red Brass
	cold rolled
	annealed
Bronze	typical	8.2-8.8	96-120	36-44	0.34	82-690	200-830	5-60				18-21
Cast Iron	typical	7.0-7.4	83-170	32-69	0.2-0.3	120	69-480	0-1		340-1400		9.9-12
Concrete	typical	2.3	17-31	na	0.1-0.2					10-70		7-14
	reinforced	2.4	17-31	na	0.1-0.2
	lightweight	1.1-1.8	17-31	na	0.1-0.2
Copper	typical	8.9	110-120	40-47	0.33-0.36	55-760	230-830	4-50				16.6-17.6
	annealed
	hard drawn
Glass	typical	2.4-2.8	48-83	19-35	0.17-0.27		30-1000	0				5-11
	Plate						70
	Fibers						7000-20000
Magnesium	typ. alloys	1.76-1.83	41-45	15-17	0.35	80-280	140-340	2-20				26.1-28.8
Monel	67%Ni,30%Cu	8.8	170	66	0.32	170-1100	450-1200	2-50				14
Nickel		8.8	210	80	0.31	100-620	310-760	2-50				13
Plastics
	Nylon	.88-1.1	2.1-3.4	na	0.4		40-80	20-100				70-140
	Polyethylene	.96-1.4	0.7-1.4	na	0.4		7-28	15-300				140-290
Rock												5-9
	Granite	2.6-2.9	40-100	na	0.2-0.3					50-280
	Marble	2.6-2.9	40-100	na	0.2-0.3					50-280
	Quartz	2.6-2.9	40-100	na	0.2-0.3					50-280
	Limestone	2.0-2.9	20-70	na	0.2-0.3					20-200
	Sandstone	2.0-2.9	20-70	na	0.2-0.3					20-200
Rubber	typical	.96-1.3	0.0007-0.004	0.0002-0.001	0.45-0.50	1-7	7-20	100-800				130-200
Sand,soil,gravel		1.2-2.2
Steel		7.85	190-210	75-80	0.27-0.30							10-18
	cold rolled
	annealed
	high strength					340-1000	550-1200	5-25				14
	machine					340-700	550-860	5-25
	spring					400-1600	700-1900	3-15
	stainless					280-700	400-1000	5-40
	tool					520	900	8
	structural					200-700	340-830	10-40				12
	astm-a48
	astm-a47
	astm-a36					250	400	30				12
	astm-a5242
	astm-a441
	astm-a572					340	500	20				12
	astm-a514					700	830	15				12
	wire					280-1000	550-1400	5-40
Stainless Steel	aisi 302											17
Titanium	typ. alloys	4.5	100-120	39-44	0.33	760-1000	900-1200	10				8.1-11
Tungsten		1.9	340-380	140-160	0.2		1400-4000	0-4				4.3
Water	fresh	1.0
	sea	1.02
Wood (dry)
	Douglas fir	.48-.56	11-13			30-50	50-80		30-50	40-70
	Oak	.64-.72	11-12			40-60	50-100		30-40	30-50
	Southern pine	.56-.64	11-14			40-60	50-100		30-50	40-70