The use of HAYNES® alloy No. 556 as a filler metal for joining alloy 800H or 800HT was assessed. Alloy 800H weld joints using alloy 556 filler metal were characterized in terms of structural integrity, tensile and creep-rupture properties and thermal stability. The studies have concluded that alloy 556 filler metal produces good, sound quality weld joints of alloy 800HT. The major characteristics of alloy 800HT weldments using alloy 556 filler metal are presented in comparison with those using a high-nickel filler metal such as INCONEL® alloy 82.

Subject
Materials, Filler metals, Nickel based alloys, Weldments, Base metals, Commercial alloys, Welded joints, Sulfidation, Alloys, Weld metal, Wrought metals, Aging, Ductility
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1989
Association for Materials Protection and Performance (AMPP)
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