Mechanical Engineering Materials: Their Properties and Treatment in Construction (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from Mechanical Engineering Materials: Their Properties and Treatment in Construction

The strength of cast iron, as demonstrated by the mechanical testing machine, Will vary of course, with the nature of the metal, but, as a general average result, the ultimate or breaking tensile strength of good commercial cast iron may be taken at 7 tons per square inch, and the ultimate crushing or compressive strength at 40 tons er square inch. The working load will de end as to whet er the material will have to resist a stea y or varying load in the former case the working load may be %th of the breaking load, but when subjected to shocks or impact a factor of safety of 10 should be employed.

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