Smelting process for producing difficult-to-deform high-temperature alloy GH4049 by using high-purity return scraps

The invention discloses a smelting process for producing a difficult-to-deform high-temperature alloy GH4049 from high-purity return scraps, which comprises the following steps: A, proportioning according to the following element contents: 0.050% of C, 10.10% of Cr, 5.50% of W, 5.00% of Mo, 0.30% of V, 4.00% of Al, 1.50% of Ti, 15.00% of Co, 0.016% of B, 0.02% of Ce, 0.30% of Ba and the balance of Ni; b, the raw materials are subjected to vacuum induction smelting, and a consumable electrode is poured; c, annealing and polishing the consumable electrode; and D, the consumable electrode is installed on an electroslag remelting device, electroslag remelting treatment is conducted, and the GH4049 alloy ingot is obtained. According to the method, the defects in the prior art can be overcome, and the hot working plasticity of the GH4049 alloy and the stability of electroslag remelting equipment are improved. 本发明公开了一种高纯返回料生产难变形高温合金GH4049的冶炼工艺，包括以下步骤：A、按照下述元素含量进行配料，C 0.050%、Cr 10.10%、W 5.50%、Mo 5.00%、V 0.30%、Al 4.00