jbt 1265-2014 25mw-200mw汽輪機轉子體和主軸鍛件技術條件

1、0ICS77.140.85J32備案號：45536—2014中華人民共和國機械行業(yè)標準JBT1265—2014代替JBT1265—200225MW～200MW汽輪機轉子體和主軸鍛件技術條件Rotshaftfgingsf25MWto200MWsteamturbines—Technicalspecification20140506發(fā)布20141001實施中華人民共和國工業(yè)和信息化部發(fā)布JBT1265—2014I目次前言...........

2、...........................................................................................................................................................II1范圍............................................................

3、....................................................................................................12規(guī)范性引用文件...............................................................................................................

4、.............................13訂貨要求........................................................................................................................................................14制造工藝...........................

5、.............................................................................................................................14.1冶煉和澆注......................................................................................

6、.......................................................14.2鍛造.........................................................................................................................................................24.3熱處

7、理.....................................................................................................................................................24.4機械加工..............................................................

8、...................................................................................24.5焊接...................................................................................................................................

9、......................25技術要求........................................................................................................................................................35.1化學成分................................

10、.................................................................................................................35.2力學性能...................................................................................................

11、..............................................35.3硬度均勻性.............................................................................................................................................45.4無損檢測................

12、.................................................................................................................................45.5熱穩(wěn)定性...................................................................................

13、..............................................................55.6金相組織.................................................................................................................................................65.7殘

14、余應力.................................................................................................................................................65.8尺寸和表面粗糙度............................................................

15、.....................................................................66檢驗規(guī)則和試驗方法....................................................................................................................................66.1化學成分

16、分析.........................................................................................................................................66.2力學性能試驗.......................................................................

17、..................................................................66.3硬度檢驗.................................................................................................................................................7

18、6.4無損檢測.................................................................................................................................................76.5金相檢驗............................................................

19、.....................................................................................76.6殘余應力測定.............................................................................................................................

20、............76.7熱穩(wěn)定性試驗.........................................................................................................................................76.8復試.......................................................

21、..................................................................................................76.9重新熱處理.................................................................................................................

22、............................87驗收和質量證明書........................................................................................................................................88標志和包裝.......................................

23、.............................................................................................................8表1化學成分........................................................................................................

24、...........................................3表2成品化學成分允許偏差...........................................................................................................................3表3力學性能..................................

25、.................................................................................................................3表4高溫持久強度..................................................................................................