Transactions . AO Al AJ A3 A 4 Fig. 24.—Unannealed Test Pieces after Fracturk. THE INFLUENCE OF COPPER UPON STEEL. 549. A3 A4 Fig. 25.—Annealed Test Pieces after, Fracture. 550 THE INFLUENCE OF COPPER UPON STEEL. Table III.—Results of Physical Tests of Steel as Forged andAfter Annealing. Unannealed. Mark. A0 Al A2 A3 A4 A5 £S~ 3&« 51,60053,30060,300 60,30084, 106,;- 114,-ion • Si ? if a b*o <o •r~ <u e, <- ZZ - 3 £ ^*£& 7. §U5 o 5 S .2 ai 53?a -r1 be • a -legs Remarks 86,700 99,500 99,000 9
Transactions . AO Al AJ A3 A 4 Fig. 24.—Unannealed Test Pieces after Fracturk. THE INFLUENCE OF COPPER UPON STEEL. 549. A3 A4 Fig. 25.—Annealed Test Pieces after, Fracture. 550 THE INFLUENCE OF COPPER UPON STEEL. Table III.—Results of Physical Tests of Steel as Forged andAfter Annealing. Unannealed. Mark. A0 Al A2 A3 A4 A5 £S~ 3&« 51,60053,30060,300 60,30084, 106,;- 114,-ion • Si ? if a b*o <o •r~ <u e, <- ZZ - 3 £ ^*£& 7. §U5 o 5 S .2 ai 53?a -r1 be • a -legs Remarks 86,700 99,500 99,000 97,400 120,660 124,300 111,300 20 10 20 10 ~ no DC %h ajOJ g 03 £ ei x S Showed flaw in center. 79,400 Showed flaw after breaking. Annealed. AO Al A2 A3 A4 A5 ,1. 857 39,000 75,200 25 62,000 48,300 93,500 80,600 49,000 94,000 20 87,900 55,000 87,150 15 79,400 61,700 96,600 88,350 66,000 80,000 84,300 68,000 99,980 .ni,760 74,200 110,000
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
