. Transactions. 2 3 4 5 o TIME OF CARBONIZING, IN HOURS 2LB. Steel No. 2 Carbonized at 1,650°.1st quench from furnace at 1,650° (Scler. hardness = H; Brin. hardness — I).2d quench at 1,400° (Scler. hardness = J; Brin. hardness ^ K). V, 100 500 o (/) 90 z LJJ ^ Z 80 z ri tr ^3 < X 70 ^ LU 60 g O 50 CO (/) % o 40 o III ^ ° -Jo 3020 t 10 LU Q 0. 1 2 3 4 5 6 TIME OF CARBONIZING, IN HOURS 2LS. Steel No. 2 Carbonized at 1,650°.(Scler. hardness = F; Brin. hardness = G). Quenched at 1,400° ( = J; Brin. hardness = K).VOL.
. Transactions. 2 3 4 5 o TIME OF CARBONIZING, IN HOURS 2LB. Steel No. 2 Carbonized at 1,650°.1st quench from furnace at 1,650° (Scler. hardness = H; Brin. hardness — I).2d quench at 1,400° (Scler. hardness = J; Brin. hardness ^ K). V, 100 500 o (/) 90 z LJJ ^ Z 80 z ri tr ^3 < X 70 ^ LU 60 g O 50 CO (/) % o 40 o III ^ ° -Jo 3020 t 10 LU Q 0. 1 2 3 4 5 6 TIME OF CARBONIZING, IN HOURS 2LS. Steel No. 2 Carbonized at 1,650°.(Scler. hardness = F; Brin. hardness = G). Quenched at 1,400° ( = J; Brin. hardness = K).VOL. XLIV.—22 360 CARBONIZATION IN CASE-HARDENED STEEL. 2LD. 2HB. Steel No. 2. Carbonized at 1,650°. 1st Quench ^ Steel No. 2. Carbonized at 1,750°. 1st Quenchat 1,650°; 2d Quench at 1,400°. ; from Furnace at 1,750° ; 2d Quench at 1,400°. Original, i 1st Quench. 2d Quench. No. 10 Brin. Scle. ! Brin. Scle. ! Brin. Scle. 128 248 130 I 271 135 I 304 126 I 260 135 i 344 136 426 135 ! 470 136 I 520 131 I 486 136 I 496 68 I 211 68 201 78 I 188 68 : 183 78 196 78 1 213 74 I 37578 268 75 I 25178 331 No. 68 1 70 2 78 3 70 4 76 5 76 6 78 7 62 8 82 9 80 10 Original. Brin. Scle. 1st Quench. 2d Quench. 128 232 130 358 128 , 344 130 372 128 42-5 130 372 131 496 131 470 137 480 135 414 Brin. Sole. Brin. Scle. 61 263 66 no c/1 100 500 LU 5 in 90 z (A z 80 40
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
