Steel Pipe Hardening Apparatus

A steel pipe hardening apparatus formed by quenching it with cooling water, this apparatus includes a cylindrical assembly, a plurality of support and nozzle means. The cylindrical assembly consists of a casing and a cover, the casing being removably mated with the cover so that the cylindrical assembly may be selectively opened or closed. The plurality of support makes a steel pipe to be hardened so as to align the steel pipe with cylindrical assembly, and the nozzle means inject cooling water into the cylindrical assembly in order that cooling water to flow both outside and inside of the steel pipe in the longitudinal direction.The steel pipe is uniformly quenched over its entire length.


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