Materials Selection for Process Plants |
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Page 89
Full ductility can be restored by heating to 1400 – 1500°F and cooling rapidly .
The hardness is lowered , the internal stresses are relieved and the impact
properties are improved . Welded structures are very ductile when held at 400 –
500°F ...
Full ductility can be restored by heating to 1400 – 1500°F and cooling rapidly .
The hardness is lowered , the internal stresses are relieved and the impact
properties are improved . Welded structures are very ductile when held at 400 –
500°F ...
Page 213
As soon as the part has set , it is removed from the form or mold ; cooling to room
temperature is not required . Typical thermosetting materials are the phenolics ,
furanes , polyesters , and epoxies . They can be compression , transfer , premix ...
As soon as the part has set , it is removed from the form or mold ; cooling to room
temperature is not required . Typical thermosetting materials are the phenolics ,
furanes , polyesters , and epoxies . They can be compression , transfer , premix ...
Page 295
POSTHEATING : A process used immediately after welding , whereby heat is
applied to the weld zone either for tempering or for providing a controlled rate of
cooling , in order to avoid a hard or brittle structure . PREHEATING : ( 1 ) A
general ...
POSTHEATING : A process used immediately after welding , whereby heat is
applied to the weld zone either for tempering or for providing a controlled rate of
cooling , in order to avoid a hard or brittle structure . PREHEATING : ( 1 ) A
general ...
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Contents
INTRODUCTION | 1 |
CATHODIC PROTECTION | 23 |
IRON AND STEEL | 44 |
Copyright | |
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abrasion acid addition alkalies alloys aluminum annealed anode applications atmospheres attack austenitic base brasses carbon carbon steel cast iron cause cements cent characteristics chemical resistance chloride cleaning coat combination common COMPANY compounds concentrations conductivity construction containing continuous cooling copper corrosion corrosion resistance cost cracking ductility effect electrical elevated Elongation environments equipment excellent exposure fabrication film given grades gray greater handled hardness heat heat-treatment improved increase industries lead limited lining lower machining material maximum mechanical properties metal method Monel natural nickel nitric normally occurs operating organic oxidizing paint performed physical pipe plastic prevent protection range readily recommended reducing removed rubber salts silicon sodium hypochlorite solutions solvents stainless steels stress structure suitable sulfuric acid superior surface Table temperature tensile strength thermal thickness tion titanium Type Typical welding widely wrought zinc