喷射成形H13钢的组织与力学性能*

张金祥, 黄进峰, 王和斌, 卢林, 崔华, 张济山

MICROSTRUCTURES AND MECHANICAL PROPERTIES OF SPRAY FORMED H13 TOOL STEEL

ZHANG Jinxiang, HUANG Jinfeng, WANG Hebin, LU Lin, CUI Hua, ZHANG Jishan

表2 铸造与喷射成形H13钢的高温拉伸性能

Temperature Steel σb MPa σs MPa δ5 % ℃ 600 Cast-H13 932 813 20.7 SF-H13 1042 868 20.3 650 Cast-H13 610 547 24.2 SF-H13 745 594 27.8 700 Cast-H13 195 143 51 SF-H13 430 292 40