NDLI: Welding high-strength steels

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Welding high-strength steels

Content Provider	HathiTrust Digital Library
Author	Kammer, P. A Martin, D. C
Organization	Defense Metals Information Center (U.S.)
Description	Recent studies of the developments in welding steels with yield strengths greater than 150 ksi have included low-alloy martensitic steels, medium-alloy martensitic steels, nickel maraging steels, and bainitic steels. Only weldments from medium-alloy martensitic steels and nickel maraging steels have mechanical properties approaching those of the base plate without a complete postweld heat treatment. The most serious problem with the other steel is low toughness in the weld fusion zone. Adequate weld metal toughness under conditions of elastic strain can be obtarined over the entire 150 to 225 ksi yield-strength range only if the tungsten-arc welding process is used. Processes with higher deposition rates can produce comparable weld deposits only in the lower portion of the range. Above a yield strength of 200 ksi, 18Ni maraging steel weldments have the best combination of strength and toughness. Below 200 ksi, the HP 9-4-25 medium-alloy martensitic steel and 12Ni maraging steel weldments have nearly equal properties P. A. Kammer and D. C. Martin to Office of the Director of Defense Research and Engineering
Language	English
Publisher	Columbus, Ohio : Defense Metals Information Center, Battelle Memorial Institute, 1966
Publisher Date	1966-01-01
Access Restriction	Open
Rights License	Items in this record are available as Public Domain, Google-digitized. View the access and use profile at http://www.hathitrust.org/access_use#pd-google. Please see individual items for rights and use statements
Subject Keyword	Welded steel structures Martensitic stainless steel
Content Type	Text
Resource Type	Book

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