The purpose of the present invention is to provide a composite container with an inner reservoir of 60 liters capable of reducing complicity of operations, and a chemical discharging tube for the composite container with the inner reservoir of 60 liters. The composite container with the inner reservoir of 60 liters includes an interior container which is made of resin, receives 60 liters of a chemical liquid requiring high purity, and is disposed with a liquid inlet and outlet part； an exterior container made of steel, which the interior container is received along an inner surface of an receiving part formed by seaming a bottom board to a body； and a top board further seamed to the body.本發明之目的係提供一種可圖謀煩雜作業之減低之60公升內袋複合容器、及提供一種該60公升內袋複合容器用藥液排出管。前述60公升內袋複合容器具備：內裝容器，係樹脂製，且收容60公升要求高清淨度之藥液，並設有液出入口部；及外裝容器，係鋼製，且沿著於胴體捲封底板而形成之收納部之內面收納上述內裝容器，進而將頂板捲封於上述胴體而成形。
