Transformation, metallurgical response and behavior of the weld fusion zone and heat affected zone in Cr-Mo steels for fossil energy application. Final technical report, April 1983-December 1984

Technical Report · Sun Jan 01 04:00:00 EST 1984

OSTI ID:5959314

Lundin, C D; Richey, M W; Henning, J A

This research program was undertaken to provide fundamental and basic metallurgical information on the behavior of the heat affected zone (HAZ) in Cr-Mo steel welds as well as practical information on their relative weldability. The principal work was the evaluation of the stress-relief cracking (SRC) and hydrogen assisted cracking (HAC) susceptibility of Cr-Mo steels ranging in Cr content from 2 1/4% - 12%. Differences in observed cracking behavior were contrasted with differences in composition, on cooling transformation behavior and weld microstructure.

• Research Organization: Tennessee Univ., Knoxville (USA). Welding Research and Engineering
• DOE Contract Number: AC05-84OR21400
• OSTI ID: 5959314
• Report Number(s): ORNL/Sub-81-7685/01-77; ON: DE86009563
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
ALLOYS
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-MOLYBDENUM STEELS
CRACKS
EMBRITTLEMENT
FABRICATION
HEAT AFFECTED ZONE
HYDROGEN EMBRITTLEMENT
IRON ALLOYS
IRON BASE ALLOYS
JOINING
NIOBIUM ADDITIONS
NIOBIUM ALLOYS
PHASE TRANSFORMATIONS
RELAXATION
STEELS
STRESS RELAXATION
VANADIUM ADDITIONS
VANADIUM ALLOYS
WELDING
ZONES