The heat treatment of the corrugated metal culvert pipe

Jul. 28, 2020

zThe heat treatment is essential and important technology of the corrugated  metal culvert pipe manufacturing technique.

There are two ways of manufacturing the corrugated metal culvert pipe  material: work hardening and dispersion strengthening. The normal work hardening  material has H80、QSn6.5-0.1、NiCu28-2.5-1.5、1Cr18Ni9Ti and 00Cr17Ni14Mo2 and so  on. After the treatment of recrystallization annealing or quench solution  treatment, it has the excellent plastic deformation performance, which can  satisfy the requirement of attenuation and forming technology. During the  deformation process, the material become the work hardening, like  GH4132、GH4169.

There are two goals of the heat treatment of the corrugated metal culvert  pipe: one is eliminate the work hardening and recover its plasticity; the other  is intensify the material and regain its elasticity.

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