The present invention relates to a first placing plate 2 on which the lower wire rod coil W1 is placed, and a second placing plate located above the first placing plate 2 on which the upper wire rod coil W2 is placed ( 3), the first post 4 supporting the second placing plate 3 interposed between these placing plates, and the first cover body 8 blocking the upper end of the lower wire coil W1, , The second cover body 9 that blocks the upper end of the upper wire coil W2, and the first mounting plate 2 are penetrated in the plate thickness direction, and the gas upward from below the first mounting plate 2 A first gas flow path 11 for guiding the flow to the inner diameter hole W1a of the lower wire coil W1, and a flow path 26 formed in the axial direction inside the first post 4, It relates to a loading jig (1) for a wire coil having a second gas flow path (13) for guiding a gas flow to the inner diameter hole (W2a) of the upper wire coil (W2) and a heat treatment method for the wire coil using the same.
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