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236
METALLURGY   OF   CAST   IROX.
			T*1  /"V   f^	L,EiD *3	"5			
								
	i No. of test	2 Iron used.	3 Breaking Strength.	4 Deflection	5 Contraction.	6 Chill.	7 Hardness.	8 Struc-' ture.
H   X	i.n	Foundry pig.	2,169 Ibs;	.107"	.180"	None	572	4
!	2.	Mn. in cupola	2,268 Ibs.	.110	.231	None	.122	5
IS	3-	Foundry pig.	1,715 Ibs.	.101	.198	None	.625	5
EZ	4-	Mn. in cupola	i, 808 'Ibs.	.082	 237 "	Slight^	.415	5
*i	5-	Charcoal pig.	1,510 Ibs.	.075 '	.276 "	None	.438	3
	6.	Mn. in cupola	1,822 Ibs.	.090	.291	None	.410	4
s	7'	Mn. in cupola	1,654 Ibs.	.072"	315 "	.025	.248	5
	8.	Mn. in ladle.	1,57-7 Ibs.	.077"	.284 "	None	 506	2
ta *	9-	Foundry pig.	1,428 Ibs.	.101	.125 "	None	730	3
	10.	Mn. in cupola	1,690 Ibs.	,102	.204 "	Slight	.600	5
	u.	Mn. in ladle	1,763 Ibs.	.083 "	.161 "	None	705	4
	12.	Foundry pig.	1,652 lb.s.	.105	j/ .216	None	553	3
* d	13-	Mu. in cupola	2,269 Ibs.	.130	.260 "	Slight	.107	6
	14.	Mn. in ladle	1,995 Ibs.	,100 "	.229 '*	None	532	4
8	IS-	Mn. in ladle	2,016 Ibs.	.100	.246  "	None	578	4
	16.	Mn. in ladle	2, 122 Ibs.	.095	.279 W	Slight	.490	5
<0	17-	Foundry pig.	i, 888 Ibs.	)/ .100	u .309	None	347	3
o S5	18.	Mn. in cxipola	i, 794 Ibs.	.097 "	.320 "	None	.282	3
S	19.	Mn. in cupola	1,845 los.	.080 "	330 "	.062	.204	3
ffi	20.	Mn. in ladle	1,970 Ibs.	.102"	 309 "	None	.314	3
	21.	Charcoal pig.	2,355 Ibs.	>l .095	.339	.128	.385	7
1	22.	Mn. in cupola	2,331 Ibs.	.090"	.348 "	.166	.244.	7
	23-	Mn. in ladle	2,394 Ibs.	II .100	341 "	055	450	5
w	24.	Mn. in ladle	2,310 Ibs.	.102."	340 "	.040	.428	5
? J	25-	Bessemer pig	1,701 Ibs.	.125"	.226  "	.300	.430	3
as	26.	Mn- in cupola	i, 497 Ibs.	055 "	.242  "	All	White	White
0>	27.	Charcoal iron.	i, 570 Ibs.	.052 "	.401.	1-375	.040	Mottled
6 55	28.	Vln. in cupola	1,082 Ibs.	.046*	.427   "	All	White	White
S	29.	Mn. in ladle	1,772 Ibs.	.100"	-326 "	I.IOO	.242	3
	30-	tfn. in ladle	2,066 Ibs.	095	-322   "	-830	.222	3