REFERENCE NBS PUBLICATIONS NBSIR 85-3020 NAT L INST. OF STAND & TECH AlllDb 31A3 c i DUCTILE-TO-BRITTLE TRANSITION IN STEEL WELDMENTS FOR ARCTIC STRUCTURES F. Zia-Ebrahimi National Bureau of Standards U.S. Department of Commerce Boulder, Colorado 80303 April 1985 • U56 85-31)20 1985