Transactions . as a great value in re-vealing the brittleness inherent in cast steels which have a coarsemicrostructure. Two small castings, the microstructures of whichare shown in Figs. 4 and 5, were analyzed, with results as follows : 0. c. Per Per ) Cent. Per Fremont tests of these castings gave Test. 4, . Test. Cent. . To show the properties of similar steel quenched and annealed(heated to 900° C. for 5 hr. and quenched, reheated to 680° C. hr. and air co
Transactions . as a great value in re-vealing the brittleness inherent in cast steels which have a coarsemicrostructure. Two small castings, the microstructures of whichare shown in Figs. 4 and 5, were analyzed, with results as follows : 0. c. Per Per ) Cent. Per Fremont tests of these castings gave Test. 4, . Test. Cent. . To show the properties of similar steel quenched and annealed(heated to 900° C. for 5 hr. and quenched, reheated to 680° C. hr. and air cooled), the following test is given of a coupon from acasting of similar analysis (C, : Mn, per cent) whose micro-structure is shown in Fi^. 6 : Tensile Elastic- Kxtension Strength. Limit. in 2 in. Contraction. Fracture. Pounds Pounds >er sq. in. per Per Cent. PerCent. 91,900 71,650Bend S, by 1 in. Silky. on 1 -in. Mandrel. Fremont Kgm. ISO SHOCK TESTS OF CAST STEEL. 485. Fig. 5. • 10.
Size: 1620px × 1543px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
