中锰钢轧制态450度回火630度配分的高速拉伸曲线。工艺:①630度配分1小时;②450度回火0.5小时630度配分1小时;③450度回火1小时630度配分1小时。
High speed tensile test of as rolled medium manganese steel tempered at 450℃ and partitioned at 630℃. Process: ① 630℃ partitioning for 1 hour; ②450℃ tempering for 0.5 hour, 630℃ partitioning for 1 hour; ③450℃ tempering for 1 hour, 630℃ partitioning for 1 hour.