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Full text of "Metallurgy Of Cast Iron"

METALLURGY   OF   CAST   IRON.
TABLE   39 — CALCULATING  THE   SILICON.
Brand and Grade of Iron Used.	Weight of Iron Used.	Percentage        Total Points of Silicon.                   Silicon. ........ -------------- .~ .......
No. i Flora                      ......	600 Ibs.         3i	.     ....   . 2.80          =          1680.00
No. 3 Clara   .....................	400 Ibs.        x	2.26          =           904.00
No. 6 Frank....           ........	300 Ibs.        x	I-5°          —           450.00
Shop scrap   .              ........	200 Ibs.         x	i. 80          =            360.00
Yard scrap ......................	500 Ibs.        A	1-25          =           625.00
2,000 Ibs.
4019.00
TABLE   40----PERCENTAGES  OF   SULPHUR,  MANGANESE,  PHOSPHORUS AND
CARBON   IN  THE  DIFFERENT   IRONS.
Brand and Grade of Iron Used.	Weight of Iron Used.	Sulphur.	Manganese.	Phosphorus.	T. Carbon.
No. i Flora...	600 Ibs.	.01	.60	-30	3 '50
No. 3 Clara...	400 Ibs.	.01	.70	.40	3-?o
No. 6 Frank.	300 Ibs.	•03	.So	•50	3-90
Shop scrap...	200 Ibs.	•05	.60	.40	4.00
Yard scrap...	500 Ibs.	.07	.50	.60          i          4.10	
TABLE   41—RESULTS  OF  COMPUTATION   OF  TABLES   39  AND  40.
4019.00 pts. silicon          -:-   2,000 Ibs.
64.00 pts. sulphur -:-   2.000 Ibs.
1250.00 pts. manganese -:-   2,000 Ibs.
87.00 pts.'phosphorus -:-   2,000 Ibs.
38400.00 pts. carbon         -:-   2,000 Ibs.
2.00   per cent silicon.
.032       "          sulphur.
.62         "          manganese.
•435       "         phosphorus.
3. So         "          carbon.
TABLE  42 — METHOD   OF   CHECKING  TABLE   39.
Brand and Grade of Iron Used.	Per cent of Iron Used.	Per cent of Silicons.	Total per cent of Silicon in 100 Parts.
No. i Flora	}0                 X	2. So	S/j..oo
No. ^ Clara   .	20               \	2.2<n	45.20
No. 6 Frank ........... Shop scrap     ......	15            x ro           x	1.50 i. So	22.50 iS.oo
Yard Scrap ...............	25           x	i.a.S	31.25
100 parts
One part equals about 2.00 per cent of silicon. Hiels Chemical Co., Isabella Furnace, Iron Gate Furnace, Iroquois Iron Co., Illinois Steel Co., Jefferson Iron Co., Kittan-ning Iron & Steel Co., C. A. Kelly Plow Co., Lebanon Furnace, Longdale Iron Co., Lackawanna Iron & Steel Co., Logan Iron........................   16,720     "                                     t-