. Transactions . ugs in the metal. The same metal as the first member of the SULPHUR IN CAST-IRON. 387 series (F^M without S) with two empty plugs gave the following,as shown by the heavy figures, and a remelt of the same is shownby the light figures. Series VI. TestNo. Iron. Strength. i Shrinkage. Chill. Deadload. Impact. Square Flat bar. 254 F^M with 2 -408 • .23 .26 . .179 -250 .60 The grain of the remelt of 254 (Series VI.) is shown in the lastmember of Fig. 5. In Fig. 1 we show the fracture and chill of each of the remelt-bars in Series V. While the stre
. Transactions . ugs in the metal. The same metal as the first member of the SULPHUR IN CAST-IRON. 387 series (F^M without S) with two empty plugs gave the following,as shown by the heavy figures, and a remelt of the same is shownby the light figures. Series VI. TestNo. Iron. Strength. i Shrinkage. Chill. Deadload. Impact. Square Flat bar. 254 F^M with 2 -408 • .23 .26 . .179 -250 .60 The grain of the remelt of 254 (Series VI.) is shown in the lastmember of Fig. 5. In Fig. 1 we show the fracture and chill of each of the remelt-bars in Series V. While the strength decreases slightly with increase of sulphur, theshrinkage shows a decided increase, and this increase remains con-stant in the remelts, while in Series VI. the shrinkage of the remeltreturns to its original figure. The remarkable thing is that the chillis not affected, and the grain, to say the least, is as even with sulphuras without it. This was the same before reraelting. Fig. 1. SO 00 SO 10 S 0 30 $pbO.
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
