摘要：【中文】本发明涉及一种用于电弧焊的导电嘴(1)，其包括至少一个贯穿导电嘴(1)的通道(2)，该通道用于容纳焊丝(3)，其中通道(2)具有非圆形的横截面，其形式为星状的、包括凸形倒圆侧面的内多圆。 【EN】The invention relates to a contact tip (1) for arc welding, comprising at least one passage (2) extending through the contact tip (1) for receiving a welding wire (3), wherein the passage (2) has a non-circular cross section in the form of a star-shaped inner circle comprising convex rounded sides.