大同PX4模具鋼物理性能(W/m•℃)括號內(nèi)cal/cm•sec•℃ | |||||
20 | 100 | 200 | 300 | 400 | |
PX4 |
42.45 (0.1014) |
42.36 (0.1012) |
42.07 0.1005() |
39.22 (0.0937) |
38.80 (0.0927) |
SCM440 |
42.28 (0.1010) |
41.61 (0.0994) |
42.70 (0.1020) |
39.39 (0.0941) |
38.00 (0.0908) |