本发明提供了一种异形截面钢材局部加热挤压工艺及其装置。工艺过程包括原料准备，对钢坯进行局部加热及通过挤压模挤压成型。
A locally heating and extruding technology for steel material with shaped cross-section includes preparing raw material, local heating steel blank, and extrusion forming with mould.
本发明提供了一种异形截面钢材局部加热挤压工艺及其装置。工艺过程包括原料准备，对钢坯进行局部加热及通过挤压模挤压成型。
A locally heating and extruding technology for steel material with shaped cross-section includes preparing raw material, local heating steel blank, and extrusion forming with mould.
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