Arrangement for low-pressure casting of high melting point metals, which has - a furnace chamber with one or more gas inlet and gas outlet openings and a riser pipe through a cover of the furnace chamber, on which a casting mould can be placed, - a molten metal container (3, 12) arranged in the furnace chamber for the high melting point metals, and - a heating device for heating the high melting point metals in the molten metal container (3, 12), wherein the molten metal container (3, 12) is designed as a replaceable insert for a receiving mould that supports the molten metal container (3, 12), which is arranged inside the furnace chamber, and a thermally insulating layer (4, 17) is formed between receiving mould and molten metal container (3, 12) or integrated in the molten metal container (3, 12), wherein the molten metal container (3, 12) either has an inner formwork made from a ceramic or other refractory material on which a thermally insulating layer (4, 17) is formed from a refractory nonwoven, or is formed from an inner formwork made from a ceramic or other refractory material, an outer formwork made from a ceramic or other refractory material, and a filling made from a refractory material positioned therebetween as a thermally insulating layer (4, 17), and wherein a receiving opening of the receiving mould and the molten metal container (3, 12) have a conical shape, and the molten metal container (3, 12) and the receiving mould are designed in such manner that the molten metal container (3, 12) can be removed downwards out of the receiving mould, and a mechanism is arranged on a baseplate of the furnace chamber, which mechanism is able to press the molten metal container (3, 12) into the receiving mould from below. - a furnace chamber with one or more gas inlet and gas outlet openings and a riser pipe through a cover of the furnace chamber, on which a casting mould can be placed, - a molten metal container (3, 12) arranged in the furnace chamber for the high melting point metals, and - a heating device for heating the high melting point metals in the molten metal container (3, 12), wherein the molten metal container (3, 12) is designed as a replaceable insert for a receiving mould that supports the molten metal container (3, 12), which is arranged inside the furnace chamber, and a thermally insulating layer (4, 17) is formed between receiving mould and molten metal container (3, 12) or integrated in the molten metal container (3, 12), wherein the molten metal container (3, 12) either has an inner formwork made from a ceramic or other refractory material on which a thermally insulating layer (4, 17) is formed from a refractory nonwoven, or is formed from an inner formwork made from a ceramic or other refractory material, an outer formwork made from a ceramic or other refractory material, and a filling made from a refractory material positioned therebetween as a thermally insulating layer (4, 17), and wherein a receiving opening of the receiving mould and the molten metal container (3, 12) have a conical shape, and the molten metal container (3, 12) and the receiving mould are designed in such manner that the molten metal container (3, 12) can be removed downwards out of the receiving mould, and a mechanism is arranged on a baseplate of the furnace chamber, which mechanism is able to press the molten metal container (3, 12) into the receiving mould from below. wherein the molten metal container (3, 12) is designed as a replaceable insert for a receiving mould that supports the molten metal container (3, 12), which is arranged inside the furnace chamber, and a thermally insulating layer (4, 17) is formed between receiving mould and molten metal container (3, 12) or integrated in the molten metal container (3, 12), wherein the molten metal container (3, 12) either has an inner formwork made from a ceramic or other refractory material on which a thermally insulating layer (4, 17) is formed from a refractory nonwoven, or is formed from an inner formwork made from a ceramic or other refractory material, an outer formwork made from a ceramic or other refractory material, and a filling made from a refractory material positioned therebetween as a thermally insulating layer (4, 17), and wherein a receiving opening of the receiving mould and the molten metal container (3, 12) have a conical shape, and the molten metal container (3, 12) and the receiving mould are designed in such manner that the molten metal container (3, 12) can be removed downwards out of the receiving mould, and a mechanism is arranged on a baseplate of the furnace chamber, which mechanism is able to press the molten metal container (3, 12) into the receiving mould from below.