. Transactions. 2HS. Scler. hardness = Fhardness = /; Brin. hardness 120 600^ 110 X CO 100 500 z ^ 90 ? § 80 ^ 400 12 3 4 5 6 7 time of carb0ni71ng, in hoursSteel No. 2 Carbonized at 1,750°,Brin. hardness — G. 1st quench at 1,400° z 70 z Q - LU tr 5 o 60 x300 O ug S < cc 50 UJ UJ 40 ^ 200 u. .-J cc 0 w 3Q CQ p X W t 20 100 Q 10 0 0 ( 2 3 4 5 6 TIME OF CARBONIZING, IN HOURS 2HD. Steel No. 2 Carbonized at 1,750°.1st quench at 1,650° (Scler. hardness = H; Brin. hardness := /). 2d quenchat 1,400° (Scler. hardnes
. Transactions. 2HS. Scler. hardness = Fhardness = /; Brin. hardness 120 600^ 110 X CO 100 500 z ^ 90 ? § 80 ^ 400 12 3 4 5 6 7 time of carb0ni71ng, in hoursSteel No. 2 Carbonized at 1,750°,Brin. hardness — G. 1st quench at 1,400° z 70 z Q - LU tr 5 o 60 x300 O ug S < cc 50 UJ UJ 40 ^ 200 u. .-J cc 0 w 3Q CQ p X W t 20 100 Q 10 0 0 ( 2 3 4 5 6 TIME OF CARBONIZING, IN HOURS 2HD. Steel No. 2 Carbonized at 1,750°.1st quench at 1,650° (Scler. hardness = H; Brin. hardness := /). 2d quenchat 1,400° (Scler. hardness = J; Brin. hardness = K). 362 CARBONIZATION IN CASE-HARDENED STEEL. 8LB. steel No. 8. Carbonized at 1,650°, 1st Quenchfrom Furnace at 1,650°; 2d Quench at 1,325°. No. Original. 1st Quench. 2d Quench. Brin. Scle. Brin. Scle. Brin. Scle. 1 151 27 285 53 213 40 2 144 27 338 68 199 53 3 149 26 246 71 203 65 4 149 26 352 70 218 72 5 154 25 388 65 74 fi 144 25 382 64 242 70 7 144 25 447 60 251 72 S 147 25 407 60 260 74 !) 154 25 447 .58 248 68 10 154 26 425 58 312 78 8LS. steel No. 8. Carbonized at 1,650°. 1st Quenchat 1,325°. No. Original. After Carb. 1st Quench. Brin. Sole. Brin. Scle. Brin. Scle 1 131 23 198 45 2 154 144 28 226 60 3 131 31 224 60 4 155 149 36 235 70 5 151 161 41 251 65 6 149 161 41 288 60 7 149 168 44 366 78 8 149 167 45 313 75 9 149 198 47 324 77 10 150 190 47 379 70 S 0.
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
