A Treatise on Non-metallic Materials of Engineering: Stone, Timber, Fuel, Lubricants, Etc, Volumen2

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John Wiley & Sons, 1906 - 383 páginas
 

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Página 698 - The inspector representing the purchaser, shall have all reasonable facilities afforded to him by the manufacturer to satisfy him that the finished material is furnished in accordance with these specifications.
Página 701 - Plates under 12^ pounds per square foot, when ordered to weight, shall not average a greater variation than the following: Up to 75 inches wide, 2^ per cent, above or 2^ per cent, below the theoretical weight. 75 inches wide up to 100 inches wide, 5 per cent, above or 3 per cent, below the theoretical weight.
Página 50 - ... that, from and after the date hereof, no mill or other engine for slitting or rolling of iron, or any platingforge to work with a tilt-hammer, or any furnace for making steel...
Página 691 - For the purposes of this specification, the yield point shall be determined by the careful observation of the drop of the beam or halt in the gauge of the testing machine.
Página 697 - Up to 75 inches wide, 2| per cent. below the theoretical weight ; 75 inches wide up to 100 inches wide, 5 per cent. below the theoretical weight ; when 100 inches wide and over, 10 per cent. above or 3 per cent. below the theoretical weight.
Página 687 - PROCESS OF MANUFACTURE. 1. Steel shall be made by the open-hearth process. CHEMICAL PROPERTIES. 2. There shall be three classes of open-hearth...
Página 701 - Up to 75 inches wide, 2$ per cent, above or z\ per cent, below the theoretical weight. 75 inches wide up to 100 inches wide, 5 per cent, above or 3 per cent, below the theoretical weight. When 100 inches wide and over 10 per cent, above or 3 per cent, below the theoretical weight.
Página 689 - For fire-box steel a sample taken from a broken tensile test specimen shall not show any single seam or cavity more than one-fourth...
Página 702 - For all plates ordered to gauge there will be permitted an average excess of weight over that corresponding to the dimensions on the order equal in amount to that specified in the following table: TABLE OF ALLOWANCES FOR OVER-WEIGHT FOR RECTANGULAR PLATES WHEN ORDERED TO GAUGE.

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