STAINLESS STEEL DOUBLE TUBE BELLOWS WITH IMPROVED STRESS CORROSION CRACKING RESISTANCE AND HEAT RETAINING PROPERTY

摘要

PROBLEM TO BE SOLVED: To provide bellows that is free from stress corrosion cracking and is excellent in heat retaining property. ;SOLUTION: A stainless steel double tube bellows having improved stress corrosion cracking resistance as well as heat retaining property comprises an outer tube 2 of a ferritic stainless steel and an inner tube 1 of an austenitic stainless steel. Preferably, the outer tube 2 includes an appropriate amount of C, Cr, Mo, Ni, Cu, Nb and Ti, and the inner tube 1 includes an appropriate amount of Cr and Ni.;COPYRIGHT: (C)2000,JPO