Abstract
The double walled CRA pipe (C-II pipe) were developed to meet severe corrosive environments. It is excellent in corrosion resistance and strength. This double walled pipe is produced by thermal-hydraulic shrink fitting a liner pipe of CRA and outer pipe of carbon steel. Its collapse strength and burst strength are difficult to analyze by the conventional finite element method (FEM). A new FEM model, initial stress and kinematic hardening are taking into account, was developed. The collapse strength and burst strength evaluation by this model are in good agreement with the experimental results.
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