FIELD: metallurgy.
SUBSTANCE: invention relates to metal forming and can be used for production of stamped car body reinforcement item containing at least one upper sheet part, side wall extending into upper sheet portion through convex cost parts, flange extending into sidewall through concave rib part, and directed outward flange, extending from extreme section of upper sheet part to extreme section of flange.
EFFECT: improved quality of product due to elimination of cuts.
10 cl, 1 tbl, 31 dwg
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