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Carbon Steel Elbow

Carbon steel elbow basic process is: first, attachment a cross section of a two-dimensional figure or each ends closed multi multi ring shell fan shell, internal stuffed with medium pressure, with inner pressure and internal pressure underneath the action of cross section of plane figure bit by bit became spherical, and eventually become a circular ring shell.According to the requirement of a circular ring shell is withdraw four, a. a. elbow bend or six to sixty or ninety alternative specifications of the elbow, the method is appropriate for producing elbow pitch diameter and any specifications of enormous elbow bend diameter quantitative relation bigger than one.5, is that the ideal thanks to build the big steel elbow.
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