Delta ferrite-containing austenitic stainless steel resistant to the formation of undesirable phases upon aging

Patent ·

OSTI ID:5419075

Leitnaker, J M

Austenitic stainless steel alloys containing delta ferrite, such as are used as weld deposits, are protected against the transformation of delta ferrite to sigma phase during aging by the presence of carbon plus nitrogen in a weight percent 0.015 to 0.030 times the volume percent ferrite present in the alloy. The formation of chi phase upon aging is controlled by controlling the Mo content.

• DOE Contract Number: W-7405-ENG-26
• Assignee: TIC; EDB-80-066795; ERA-05-024360
• Patent Number(s): None
• OSTI ID: 5419075
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
360102 -- Metals & Alloys-- Structure & Phase Studies
AGING
ALLOYS
AUSTENITIC STEELS
CARBON ADDITIONS
CHROMIUM ALLOYS
CONTROL
ELEMENTS
FILLER METALS
IRON ALLOYS
IRON BASE ALLOYS
JOINTS
METALLURGICAL EFFECTS
METALS
MOLYBDENUM
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NITROGEN ADDITIONS
PHASE STUDIES
REFRACTORY METALS
STEELS
TRANSITION ELEMENTS
WELDED JOINTS