鍋爐管件壓鑄鑄鋼件技術條件，技術要求公稱壓力PNMPa工作壓力PMPa工作溫度T°C試驗壓力PSMPa4.0mdash，mdash，6.06.3mdash，mdash，9.510.0mdash，mdash，15.020.0mdash，mdash，30.025 .0mdash，MDASH，38.032.0mdash，MDASH，48.03.9254011.83.9257016.79.851026.59.854029.413.754029.213.757054.916.754057.116.757061.8