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Paul Lewis Appointed Materials Manager At Jeffboat Incorporated Paul Lewis Paul Lewis has been named ma- terials manager by Jeffboat In- corporated, Jeffersonville, Ind. He started with Jeffboat in 1968 as a material control expediter. At various stages of his career he has held the positions of ware- house foreman, assistant mate- rial control supervisor, material control supervisor, material con- trol superintendent, and material control manager. His new respon- sibilities will include all the pur- chasing functions in addition to his material control duties. He will report to Scott Dowdell, who is director of manufacturing serv- ices. Armco's Nitronic 50 Ideal For Downhole Use —Literature Available Few applications have more de- manding and at the same time sensitive material requirements than those encountered in down- hole petroleum exploration. How- ever, many manufacturers are finding Armco Nitronic 50 stain- less steel to offer the type of properties needed for dependable downhole service. One such application involves instrumentation that is periodi- cally lowered down the well hole to measure temperature, depth, direction, and inclination during drilling. To protect the instru- ments package and permit lower- ing and raising, a housing must be provided. This housing must resist corrosive attack common to oil well environments, resist high compressive stresses, and have very low magnetic permeability to avoid interference with the magnetometer in the instrument package. Type 316 stainless steel, con- sidered because of its good corro- sive resistance, doesn't meet all the other requirements, so many operators were forced to use more expensive copper-nickel alloys. Now many are using Nitronic 50 stainless steel because of its ex- cellent performance at significant cost savings compared to the cop- per-nickel alloys. In addition to the cost advantages of Nitronic 50, the material is also nonmag- netic so there's no interference with the instrumentation. Nitronic 50 stainless steel is said to provide a combination of corrosion resistance and strength not found in any other commer- May 1, 1981 cial material available in its price range. This austenitic stainless steel has corrosion resistance greater than that provided by Types 316 and 316L, plus ap- proximately twice the yield strength at room temperature. It also has good mechanical proper- ties at both elevated and sub-zero temperatures. For further information and free literature on Nitronic 50, Write 61 on Reader Service Card North American Trailing Asks Title XI For $16-Million Hopper Barge North American Trailing Co., a subsidiary of Great Lakes In- ternational, Inc., 2122 York Road, Oak Brook, 111. 60521, has applied for Title XI financing to aid in constructing a 281-foot, self-pro- pelled, suction hopper barge. The barge, which is to be used in the coastwise, inland, and for- eign trade, will be equipped with two 3,000-horsepower diesel en- gines. If approved, Title XI financing would cover $12,375,000 or 75 per- cent of the estimated actual cost of $16,500,000. Southern Shipbuilding Corp., Slidell, La., is the builder of the vessel. Delivery is set for Sep- tember 30. Select the only seagoing fans with Hartzell quality Hartzell has been a leading manufacturer of high quality air moving equipment for well over 50 years. And now we're out to conquer the seas with a full line of fans designed specifically for shipboard ventilation. We offer a variety of models, including ring fans, axial flow and vaneaxial duct-type fans, and centrifugal units. And our application engineers are available to help you select the right fans for your needs. Hartzell marine fans meet MarAd specifications S38-1-101, S38-1-102, and S38-1-103. Motors are available for above and below deck operation to meet IEEE45, U.S.C.G., and A.B.S. regulations. And in addition to complying with all official marine requirements, we make our fans even more seaworthy with hot dip galvanizing and special corrosive resistant coatings. Many marine models are on our loading dock, ready for immediate delivery. So call your local Hartzell representative today. We're ready to put 50 years of ventilation know-how to work for you. HARTZELL • Hartzell Propeller Fan Company, Piqua, Ohio 45356 Write 464 on Reader Service Card R 481
