Survey of Marine Machinery and Boilers |
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Page 117
... U.T.S. Specification Type tons per tons per Elongation sq . inch sq . inch Izod B.S.S. 970 EN 8 " 40 " carbon ( normalized ) 20 35/45 20 % 20 ft.-lb. B.S.S. 970 EN 12 " 40 " Carbon hardened and tempered 28 min . 40 min . 22 % 35 ft.-lb ...
... U.T.S. Specification Type tons per tons per Elongation sq . inch sq . inch Izod B.S.S. 970 EN 8 " 40 " carbon ( normalized ) 20 35/45 20 % 20 ft.-lb. B.S.S. 970 EN 12 " 40 " Carbon hardened and tempered 28 min . 40 min . 22 % 35 ft.-lb ...
Page 126
... U.T.S. tons per sq . inch Elon- gation Purpose B.S.S. 250 A Wrought bars and sections 30 20 General engineering B.S.S. Castings - 30 15 Marine and general engineering Gun metal Specification Description Condition U.T.S. tons per sq . 126.
... U.T.S. tons per sq . inch Elon- gation Purpose B.S.S. 250 A Wrought bars and sections 30 20 General engineering B.S.S. Castings - 30 15 Marine and general engineering Gun metal Specification Description Condition U.T.S. tons per sq . 126.
Page 126
... tensile strength coupled with good ductility is available in all forms of rolled and drawn material and for forgings and castings . The following are representative specifications . Specification Description Condition U.T.S. tons per ...
... tensile strength coupled with good ductility is available in all forms of rolled and drawn material and for forgings and castings . The following are representative specifications . Specification Description Condition U.T.S. tons per ...
Common terms and phrases
alignment angle annealing arrangements auxiliary seatings bars bends bilge billets boiler bolt holes bore bulkhead cast iron caulking cent clipping combustion chamber connecting rods cracks crank shaft cylinder diameter diesel engine drawing office drilling electric elongation examination finished fitting flange forgings furnace gauge length gear hammer heat treatment heat-treatment holding-down bolts hydraulic test important inspection internal combustion engines iron castings Izod jigs liner Lloyd's Register machined machinery main engines manufacture marine mass production metal methods minimum necessary nuts oil fuel piston plate points pressure provision for expansion reciprocating engines riveting screwed securing shell ship soleplate Soundness of material Specification square inch Stage of construction stay steam and exhaust steam pipe steel stern tube stud suitable surface surveyor tank tank top temperature tensile strength tensile stress test-piece thickness tons per sq tons per square turbine usually vessel water-tube boiler weld whilst workmanship