STEEL TUBE HAVING COVERED OUTER SURFACE

摘要

PURPOSE:To provide a steel tube having covered outer surface in which a cutout (partial damage), lifting (partial peeling) do not occur at a covering layer even in the case of a tube connecting operation when a working environmental temperature is low at a freezing point or lower. CONSTITUTION:An outer periphery of a steel tube body 1 is adhered to be covered with a covering layer 3 in which vinyl chloride resin having a shearing adhesive force of 180-450N/cm<2> and a Charpy impact strength of 100-500N.cm is used as a base material.