| 摘要 |
PURPOSE: A composite metallic conduit in which a synthetic resin product is inserted is provided to minimize the external diameter size of the conduit or the thickness of a material by reinforcing flexural strength through a synthetic resin molded product inserted inside the metallic conduit. CONSTITUTION: A composite metallic conduit in which a synthetic resin product comprises a metallic conduit(10) and a synthetic resin molded product(13). The synthetic resin molded product is connected inside the metallic conduit and includes a plurality of recessed grooves(11) and one or more cutting unit(12). The metallic conduit is comprised of high hardness and high toughness ferrous amorphous nano composite material and comprises 2.0-3.0 wt% of Mn, 9.6-9.9 wt% of Mo, 6.5-7.5 wt% of Ni, 1.2-6.2 wt% of Cr, 1.8-2.5 wt% of Si, 4.1-5.2 wt% of B, 1.2-1.5 wt% of C, and remaining amount of Fe.
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