High Strength Low Alloy Steel Castings - The Characteristics and Control of the Heat Affected Zone in Cast-Weld and Composite Structures 680073

This paper describes and illustrates the effect of three welding processes on the depth and hardness of the heat affected zone in low alloy steel castings. Also illustrated is an example of a production problem composite structure which highlights the importance of metal composition relative to the formation of excessive hardness in the heat affected zones.
The summary includes recommendations for avoiding potential “built in” defects which can cause machining difficulties and/or possible component failure due to brittle fracture conditions.


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