FIELD: metallurgy.
SUBSTANCE: pipeline model is developed with due allowance for deformation proceeding from loads forecast therefor. Proceeding from said model, full plastic deformations of pipeline are forecast. Two sections of pipeline made from material with, mainly, ferrite structure are jointed together to make welded joint to sustain forecast full plastic strains.
EFFECT: higher mechanical properties.
12 cl, 7 dwg, 2 tbl, 1 ex
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