. Proceedings of the annual convention . or they may be turned to a diameter of *% inch for a Lengthof at least 9 inches, with enlarged ends. 6. Rivets : Rivet rods shall be tested as rolled. 7. Pins and Rollers : Specimens shall be cut from the finishedrolled or forged bar, in such manner, that the center of the specimen shall ♦See amendments page 141. FOURTH ANNUAL CONVENTION. 131 be I inch from the surface of the bar. The specimen for tensile test shallbe turned to the form shown by Fig. 2. The specimen for bending testshall be 1 inch by *■•> inch in section. N. Steel Castings: The numbe
. Proceedings of the annual convention . or they may be turned to a diameter of *% inch for a Lengthof at least 9 inches, with enlarged ends. 6. Rivets : Rivet rods shall be tested as rolled. 7. Pins and Rollers : Specimens shall be cut from the finishedrolled or forged bar, in such manner, that the center of the specimen shall ♦See amendments page 141. FOURTH ANNUAL CONVENTION. 131 be I inch from the surface of the bar. The specimen for tensile test shallbe turned to the form shown by Fig. 2. The specimen for bending testshall be 1 inch by *■•> inch in section. N. Steel Castings: The number of tests will depend on the char-acter and importance of the castings. Specimens shall be cut cold fromcoupons molded and cast on some portion of one or more castings fromeach melt or from the sink heads, if the heads are of sufficient size. Thecoupon or sink head, so used, shall be annealed with the casting before it iscut off. About 3 * Parallel Section K. * ^, ^ !* i Xot less than a „, ~^ : r^v- to About 18- Fig. 1. About 2. Fig. 2. Annealed 9. Material, which is to be used without annealing or Specimens, further treatment, shall be tested in the condition in which itcomes from the rolls. When material is to be annealed or otherwisetreated before use, the specimen representing such material shall be simi-larly treated before testing. *Number 10. At least one tensile and one bending test shall be of Tests, made from each melt of steel as rolled. Steel more than 25per cent, thicker or thinner than that tested shall be separately tests shall also be made for: 1st, plates, 2d, angles and Z bars,3d, beams and channels, 4th, bars and rods. Modifications 11. For material less than 5-16 inch and more than in Elongation. 34 jncri jn thickness the following modifications will be allowedin the requirements for elongation: (a) For each 1-16 inch in thickness below 5-16 inch, a deduction of2V2 per cent, will be allowed from the specified elongation. (b) For each
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