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Full text of "Metallurgy Of Cast Iron"

594
METALLURGY   OF   CAST   IRON.
T-1BLF I37- — ULTIMATE RESISTANCE TO TENSION IN POUNDS PER SQUARE INCH. • Metals.
Average. ..i 7.000
43,ooo
32,ooo
Brass—cast.............................................
wire..............................................
Copper—cast ...........................................
sheet...........................................         ~
wire..................................................6l'000                               •*»
Iron-cast....................................................... IO'OO° 1°   4o,ooo
wrought................................•.................48,000 to   54,000
wjre.......................................................70,000 to   90,000
Lead—cast!.!!!!!................................................  1.200
sheet..................................................... 3,ooo
Platinum—wire................................................53.ooo
Steel...............................................................60,000 to 120,000
Tin—cast"".".".'."//."//."."'....................................  5,ooo
Zinc................................................................  7,ooo to     8,000
TABLE 138.—TIMBER (SEASONED).
Wood.                            Average.
Ash..................................................................16,000
Beech..............................................................12,000 to   18,000
Hickory...........................................................11,000
3>ak—American................................................ri,ooo to   18,000
Pine—       *«       white and red............................10,000
Poplar..............................................................   7,ooo
!«g.—TABLE OF DECIMAL EQUIVALENTS OF STHS,   l6THS,   32DS,   AND 64THS  OF  AN  INCH.
Sths.	32ds.	64ths.	31-64 = .4S4375
i-S = .125	1-32 = .03125	1-64 = .015625	33-64 = .515^25
1-4 = .250	3-32 = .09375	3-64 = .040875	35-64= .546875
3-8 = .375	5-32 = .15625	5-64 = .078125	37-64= .578125
1-2 = . 5OO	7-32 ==.2 1 875	7-64 = .109375	39-64 = -609375
5-S = .625	g 32 =  28125	9-64 = .140625	41-64 = .640625
3-4 = .750	11-32 = .34375	11-64 = .171875	43-64 = .671875
7-S = .S75	13-32 = .40625	13-64 = .203125	45 64 = .703125
	15-32 = .46875	15-64 = .234375	47-64 = -734375
i<5ths.	17-32 = .53125	17-64 = .265625	49-64= .765625
1-16 = .0625	19-32 = .59375	19-64 = .296875	51-64 = .796875
3-16 — .1875	21-32 = .65625	21-64= .328125	53-64 = .828125
5-i6=.3i25	23-32 = .71825	23-64 =.359375	55-64= .859375
7-16 =.4375	25-32 = .79125	25-64 = .390625	57-64 = .890625
9-16= .5625	27-32 = .84375	27-64 = .421875	59-64 = .921875
E 16 = .6875	29-32 = .90625	29-64= .453125	61-64 = *953I25
3-16= .8125 5-16= .9375	31-32 = .96875		63-64 = .984375