A rail welding crucible and cap with burner-ignited reaction starter mix comprising a cap , an igniter core , a crucible , the cap comprising a cap body , a first face , a second face , a core-receiving hole , a burner-receiving indent , a core housing and a plurality of vents , the igniter core being a mixture, the mixture comprising a quantity of iron oxide , a quantity of aluminum and a quantity of bonding material , the crucible comprising a crucible body , a reaction cavity , a tap hole and a seal , the first face being oppositely positioned to the second face about the cap body , the core-receiving hole traversing from the first face through the cap body to the second face , wherein the rail welding crucible and cap with burner-ignited reaction starter mix further comprises: the core-receiving hole being a conical hole by gradually tapering from the first face to the second face ; the igniter core being mounted within the core-receiving hole ; the reaction cavity traversing into the crucible body ; the second face being mounted across an opening of the reaction cavity ; the burner-receiving indent traversing into the cap body from the first face ; the core housing being connected to an indent base of the burner-receiving indent ; the core housing extending from the indent base to the first face ; the core-receiving hole traversing through the core housing ; the plurality of vents traversing from the burner-receiving indent through the cap body to the second face ; the plurality of vents being radially distributed around the core-receiving hole ; the tap hole traversing from the reaction cavity through a crucible base of the crucible body ; the tap hole being plugged by the seal ; characterized in that the crucible comprises a plurality of handles and a plurality of mounting tabs , the plurality of handles being laterally connected to the crucible body ; the plurality of handles being radially offset from each other around the crucible body ; the plurality of handles being adjacently positioned to the opening ; the plurality of mounting tabs being laterally connected to the crucible body ; the plurality of mounting tabs being radially offset from each other around the crucible body ; and the plurality of mounting tabs being adjacently positioned to the crucible base. the core-receiving hole being a conical hole by gradually tapering from the first face to the second face ; the igniter core being mounted within the core-receiving hole ; the reaction cavity traversing into the crucible body ; the second face being mounted across an opening of the reaction cavity ; the burner-receiving indent traversing into the cap body from the first face ; the core housing being connected to an indent base of the burner-receiving indent ; the core housing extending from the indent base to the first face ; the core-receiving hole traversing through the core housing ; the plurality of vents traversing from the burner-receiving indent through the cap body to the second face ; the plurality of vents being radially distributed around the core-receiving hole ; the tap hole traversing from the reaction cavity through a crucible base of the crucible body ; the tap hole being plugged by the seal ; characterized in that the crucible comprises a plurality of handles and a plurality of mounting tabs , the plurality of handles being laterally connected to the crucible body ; the plurality of handles being radially offset from each other around the crucible body ; the plurality of handles being adjacently positioned to the opening ; the plurality of mounting tabs being laterally connected to the crucible body ; the plurality of mounting tabs being radially offset from each other around the crucible body ; and the plurality of mounting tabs being adjacently positioned to the crucible base. <EOS>