Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 116
.93^5 arbon steel may be mentioned. This steel was first normal-ized by heating to i6oo° F., holding at that temperature for 15minutes and then cooling in air. Test pieces of this normalized steelwere then reheated to 1450° F., held at this temperature for 15minutes and then gradually cooled in the… … £> 40000£ 3OO00 20000 /OOO ^ Cyc/es for & Rupture, & (A/J^ \ < Fig. 3. jecting the normalized steel to a heat treatment consisting of heat-ing to 14500 F., holding 15 minutes, quenching in oil. reheating to12000 F.. holding 30 minutes and then cooling in air, a structureknown as…
Locomotives · Steam-boiler explosions
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