Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 235
f juncture, throughimperfect fusion, far outweighsany improvements that may beintroduced by the heat treat-ment. The differences betweenthe two annealed specimens ofeither pair receiving a specifiedheat treatment exceed the dif-ference between the means ofthe two pairs. The authorswould regard this… … Fig. 4. Arc-welded Pipe(Etched.) AND Flange. Table 3.— Mechanical Properties of Acetylene Welds (Butt Joints). Marks onsample 14542 A 14564 A250S2 A25085 A Breakingstress. Lbs. persq. in. 58,780 60,260 48,320 48.700 Elastic Limit. Lbs. per sq. in. Elonprationon 8 in.Per cent. 43,680 42,290 31,300…
Locomotives · Steam-boiler explosions
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