Ryerson's Ready Reference, the Steel-service Book: A Complete Hand Book and Stock List of Steel and Iron Ready for Immediate Shipment; Sizes, Weights, Stocks, Prices, Extras, Data ...

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J.T. Ryerson & Son, 1913 - 384 halaman
 

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Halaman 1030 - The inspector representing the purchaser shall have free entry, at all times while work on the contract of the purchaser is being performed, to all parts of the manufacturer's works which concern the manufacture of the material ordered. The manufacturer shall afford the inspector, free of cost, all reasonable facilities to satisfy him that the material is being furnished in accordance with these specifications. All tests...
Halaman 1031 - Material which, subsequent to the above tests at the mills, and its acceptance there, develops weak spots, brittleness, cracks or other imperfections, or is found to have injurious defects, will be rejected at the shop and shall be replaced by the manufacturer at his own cost.
Halaman 1028 - ... in thickness, around a pin the diameter of which is equal to twice the thickness of the specimen.
Halaman 1037 - Chemical determinations of the percentages of carbon, phosphorus, sulphur, and manganese shall be made by the manufacturer from a test ingot taken at the time of the pouring of each melt of steel, and a correct copy of such analysis shall be furnished to the engineer or his inspector.
Halaman 1032 - For material 1 in. or under in thickness, around a pin the diameter of which is equal to the thickness of the specimen; and for material over 1 in.
Halaman 1038 - In case steel differing f inch and more in thickness is rolled from one melt or blow, a test shall be made from the thickest and thinnest material rolled. Should either of these test specimens develop flaws, or should the tensile test specimen break outside of the middle third of its gaged length, it may be discarded and another test specimen substituted therefor.
Halaman 1038 - ... (b) Tensile and bending test specimens of cold-twisted bars shall be cut from the bars after twisting, and shall be tested in full size without further treatment. unless otherwise specified as in (c), in which case the conditions therein stipulated shall govern.
Halaman 1033 - The finished material shall be free from injurious defects and shall have a workmanlike finish. VI. MARKING Marking 12.
Halaman 1028 - The yield point shall be determined by the drop of the beam of the testing machine.
Halaman 1030 - ... in. or more in thickness, one tension and one bend test shall be made from both the thickest and the thinnest material rolled.

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