Apparatus for manufacturing of impact beam of vehicle door

An apparatus for manufacturing a door impact beam for a vehicle door according to the present invention comprises: an end beam part subjected to thermal processing at low temperature, a beam body subjected to thermal processing at high temperature, wherein the beam body is a part of the end beam part connected with two end sides, the end beam part and the beam body are integrally formed, and low-temperature thermal processing operation proceeds at lower temperature than high-temperature thermal processing operation. 根据本发明的汽车用车门防撞梁包括：被低温热处理的梁端部；以及被高温热处理的梁本体，所述梁本体是分别连接两端侧的所述梁端部的部分，所述梁端部和所述梁本体为体型，所述低温热处理在比高温热处理相对低的温度下进行。