. Tentative revised boiler safety orders. iffied in Par. 44, except thatthe elongation shall be measured on a gaged length not less than fourtimes the diameter of the rivet. 56 Bend Tests. The rivet shank shall bend cold through 180deg. flat on itself, as shown in Fig. 2, without cracking on the outsideof the bent portion. 18 REPORT OF BOILER CODE COMMITTEE, 57 Flattening Tests. The rivet head shall flatten, while hot, toa diameter .2% times the diameter of the shank, as shown in Fig. 3,without cracking at the edges. 58 Number of Tests, a When specified, one tension, test shallbe m


. Tentative revised boiler safety orders. iffied in Par. 44, except thatthe elongation shall be measured on a gaged length not less than fourtimes the diameter of the rivet. 56 Bend Tests. The rivet shank shall bend cold through 180deg. flat on itself, as shown in Fig. 2, without cracking on the outsideof the bent portion. 18 REPORT OF BOILER CODE COMMITTEE, 57 Flattening Tests. The rivet head shall flatten, while hot, toa diameter .2% times the diameter of the shank, as shown in Fig. 3,without cracking at the edges. 58 Number of Tests, a When specified, one tension, test shallbe made from each size in each lot of rivets offered for inspection. h Three bend and three flattening tests shall be made from eachsize in each lot of rivets offered for inspection, each of which shall con-form to the requirements specified. II Workmanship an-d Finish 59 Worlcmansliip. The rivets shall be true to form, concentric,and shall be made in a workmanlike manner. 60 Finish, The finished rivets shall be free from injurious


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsteambo, bookyear1919