发明名称 |
PRECIPITATION STRENGTHENING TYPE FERRITIC HEAT RESISTANT STEEL, TURBINE HIGH TEMEPERATURE MEMBER USING HEAT RESISTANT STEEL, AND TURBIN USING TURBINE HIGH TEMEPERATURE MEMBER |
摘要 |
<p>PROBLEM TO BE SOLVED: To provide precipitation strengthening type ferritic heat resistant steel having balance of mechanical strength and oxidation resistance at high temperature at a higher level than conventional one, a turbine high temperature member using the heat resistant steel and a turbine using the turbine high temperature member.SOLUTION: The precipitation strengthening type ferritic heat resistant steel contains 0.1 mass% or less of C, 12 mass% to 20 mass% of Cr, 2 mass% to 6 mass% of Ni, 2 mass% to 8 mass% of Al, 2.5 mass% to 10 mass% of W, 0.5 mass% to 2.5 mass% of Mo, 2 mass% to 6 mass% of Co, 0.001 mass% to 0.01 mass% of B and the balance Fe with inevitable impurities.</p> |
申请公布号 |
JP2015092010(A) |
申请公布日期 |
2015.05.14 |
申请号 |
JP20130231810 |
申请日期 |
2013.11.08 |
申请人 |
MITSUBISHI HITACHI POWER SYSTEMS LTD |
发明人 |
OIKAWA SHINJI;KONNO SHINYA;ARAI MASAHIKO;DOI HIROYUKI;YODA HIDEO |
分类号 |
C22C38/00;C21D6/00;C22C38/54;C22C38/60;F01D25/00 |
主分类号 |
C22C38/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|