Heat-resistant and corrosion-resistant weld metal alloy and welded structure

Patent · Tue Apr 17 04:00:00 EST 1984

OSTI ID:6421606

Sukekawa, M; Iijima, K; Kirihara, S; Morimoto, H; Tobita, Y; Usami, K

A heat-resistant and corrosion-resistant weld metal alloy consisting essentially of, by weight, less than 3.08% of C, 0.1 to 1.0% of Si, 2 to 3% of Mn, 32 to 42% of Ni, 21 to 25% of Cr, 0.8 to 1.7% of Mo, 0.1 to 1.0% of Nb, up to 0.5% of Ti, up to 2% of Co, up to 2% of Cu, up to 1% of W, up to 0.2% of N, up to 1.0% of V, up to 1.0% of Zr, up to 1.0% of Ta and the balance Fe, wherein the following conditions are met: Ti+Zr1.0%, Ni+Co42%, W+V1.0%, Nb+Ta1.0%, and 4Nb/C15; and an austenitic welded structure composed of an austenitic structural alloy and of a weld metal of the above-mentioned kind are provided by the invention.

• Assignee: Hitachi Ltd., Babcock-Hitachi Kabushiki Kaisha (Japan)
• Patent Number(s): US 4443406
• OSTI ID: 6421606
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360105* -- Metals & Alloys-- Corrosion & Erosion
ALLOYS
AUSTENITIC STEELS
CORROSION RESISTANT ALLOYS
CRACK PROPAGATION
CREEP
DUCTILITY
EXPANSION
FABRICATION
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
IRON ALLOYS
IRON BASE ALLOYS
JOINING
MATERIALS
MECHANICAL PROPERTIES
STEELS
STRESSES
TEMPERATURE EFFECTS
TENSILE PROPERTIES
THERMAL EXPANSION
THERMAL STRESSES
WELDING