| over, but |85 to 100 lbs.
|under 85 lbs.| inclusive. |under 85 lbs.| inclusive.
-----------------+-------------+--------------+-------------+--------------
Carbon |0.40 to 0.50 |0.45 to 0.55 |0.53 to 0.66 |0.63 to 0.76
Manganese |0.80 to 1.10 |0.80 to 1.10 |0.70 to 1.00 |0.70 to 1.00
Silicon |0.07 to 0.20 |0.07 to 0.20 |0.07 to 0.20 |0.07 to 0.20
Phosphorus, | | | |
not to exceed | 0.10 | 0.10 | 0.04 | 0.04
Sulphur, | | | |
not to exceed | 0.075| 0.075 | 0.06 | 0.06
=================+=============+==============+=============+==============
"3. When the average phosphorus content of the ingot metal used in
the Bessemer Process at any mill is below 0.08 and in the
Open-Hearth Process is below 0.03, the carbon shall be increased at
the rate of 0.035 for each 0.01 that the phosphorus content of the
ingot metal used averages below 0.
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