Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 152
First, the high concentration of sodium , , « ., . ,, Caustic embrittlement under the Magniscope. hydroxide in the seams or under the rivet heads; and second, stressing of the metal to about the yield point. It is an established fact that the zone of greatest stress in fabricated boiler seams is in… … 140 THE LOCOMOTIVE January, The concentration of sulphates required depends upon the pressureat which the boilers are operated and the quantities of soda ash andcaustic soda present in the water. Scientific research, confirmed by prac-tical operating experience, has led to the belief that for…
Locomotives · Steam-boiler explosions
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