Invention Grant
US07992762B2 Frictionally press-bonded member 有权
摩擦压接构件

Frictionally press-bonded member
Abstract:
A frictionally press-bonded member includes a steel pipe, and a stab. The steel pipe has opposite ends. The stab is frictionally press-bonded to at least one of the opposite ends of the steel pipe. The steel pipe is subjected to a normalizing treatment before being frictionally press-bonded to the stab.
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