D.-2

Report on Tensile Tests of Forty-Four Wrought Iron Bars— continued.

13

I Reduction Extension of Area at on 3 Inches Fracture, at FractureDimensions. Limit ol Elasticity. Breaking Load. Extension on whole lengths of 10 Inches. U. C. L. Test Number. Marks Eatio of Remarks. Piece. Breadth. Thiclmess. Area. Pounds. I Tons. Pounds. Tons. to Break HALF-INC 3 H BAKS. 7,618 K.A. A. •480 in. (Tested as r •443 in. •441 in. •485 in. (Tested as r •447 in. •481 in. (Tested as r •447 in. •477 in. (Tested asr ■445 in. •481 in. (Tested as r •445 in. ■482 in. (Tested as r ■445 in. •485 in. (Tested as r •447 in. ■483 in. as r •480 in. (Tested asr •443 in. •447 in. •485 in. (Tested as r .447 in. .482 in. (Tested as re ■485 in. j eceived.) j Diameter. Diameter. .481 in. j eceived.) \ Diameter. •481 in. ) eceived.) } Diameter. •481 in. ) eceived.) j Diameter. ■480 in. J eceived.) \ Diameter. •481 in. j eceived.) \ Diameter. •483 in. | eceived.) \ Diameter. .481 in » eceived.) \ .485 in. ) eceived.) \ Diameter. Diameter. .486 in. j eceived.) ( Diameter. .484 in. j jCceived.) j Sq. In. .233 Per sq. in. 36,510 Persq. in.' 1630 Per sq. in. 57,450 Persq. in. 25-65 •636 Per cent. 22-0 Per cent. 43.6 29-7 Silky, about 8 per cent, finely crystalline. 7,619 7,620 7,621 „ B. •154 •153 •233 41,630 38,040 18-36 18-58 16-98 60,740 58,770 57,340 27-11 26-23 25-60 •677 •708 •663 19-6 21-9 23-7 41-1 44-0 468 26-7 29-7 33-3 Silky, about 10 per cent, crystalline'. Silky, specks of crystal. Silky! )) 7,622 7,623 „ C. •157 •231 40.030 39,260 17-87 17-52 59,270 57,800 26-46 25-80 •675 •679 20-3 18-5 39-4 30-7 23-3 233 Silky, specked with crystal. Silky, slightly reedy; broke just at Inspector's stamp. » 7,624 7,625 ., D. •157 •229 40,150 36,180 17-92 16-15 60,290 60,050 26 91 26-81 ■666 •602 19-8 24-1 42-1 45-1 28-0 32.0 Silky. Silky. J) 7,626 7,627 „ E. •156 •231 40,400 40,820 18-04 18-22 61,350 59,120 27-39 26-39 •659 ■690 19-0 21-2 38-8 34-8 24-7 23-7 Silky, about 8 per cent, crystalline. Silky, about 15 por cent, crystalline. }) 7,628 7,629 „ V•156 •232 41,800 39,350 18-66 17-57 58,400 58,750 26-07 26-23 •716 •670 17-9 23-8 41-6 38-4 24-0 29-3 Silky, specked with crystal. Silky. )) 7,630 7,631 „ G. •156 •234 37,430 38,730 16-71 17-29 50,590 55,910 25-26 24-96 •661 •693 21-5 251 49-9 46-2 27-7 32-7 Silky. Silky. 7f 7,632 7,633 „ H. •157 •232 45,640 42,300 20-37 18-88 62,600 61,020 27-94 27-24 •729 •693 21-9 19-1 47-2 42-4 30-0 25-0 Silky. Silky, a surface-blister on one side. » 7,634 „ I. •233 36,510 16-30 53,700 23-97 •680 13-3 23-5 15-7 Silky, a little reedy ; broke across Inspector's stamp. 7.635 7,636 7.637 K.A. J. •154 •157 •236 40.240 40J280 35,110 17-96 17-98 15-67 56.330 55,460 54,630 25-15 24-76 24-39 •714 •726 •642 17-7 20-1 162 35-4 40-1 21-9 23-3 260 17-7 Silky, a blister on surface. Silky. Silky, slightly reedy. 7,638 7,639 n K. •157 •233 38,750 37,400 17-30 16-70 56,470 54,760 - 25-21 24-45 •686 •683 18-8 23-9 42-1 44-1 25-7 30-0 Silky. Silky. » J. Carrutliers, Es< 9, Great Queen Street, Westminster, S.W. Alex. B. W. Kennedy.