大型铸锻件
大型鑄鍛件
대형주단건
HEAVY CASTING AND FORGING
2013年
1期
49-50
,共2页
叶片钢%2Cr11MoVNbN马氏体钢%锻造工艺%热处理
葉片鋼%2Cr11MoVNbN馬氏體鋼%鍛造工藝%熱處理
협편강%2Cr11MoVNbN마씨체강%단조공예%열처리
blade steel%2Cr11MoVNbN martensite steel%forging process%heat treatment
2Cr11MoVNbN钢是目前12%Cr系耐热性能最好的钢种之一,是一种较为理想的亚临界、超临界汽轮机叶片用材料.通过采用 VOD炼钢,上平砧,下 V型砧拔长下料,多火次,小压下量镦粗工艺,成功锻出2Cr11MoVNbN叶片,质量达到要求.
2Cr11MoVNbN鋼是目前12%Cr繫耐熱性能最好的鋼種之一,是一種較為理想的亞臨界、超臨界汽輪機葉片用材料.通過採用 VOD煉鋼,上平砧,下 V型砧拔長下料,多火次,小壓下量鐓粗工藝,成功鍛齣2Cr11MoVNbN葉片,質量達到要求.
2Cr11MoVNbN강시목전12%Cr계내열성능최호적강충지일,시일충교위이상적아림계、초림계기륜궤협편용재료.통과채용 VOD련강,상평침,하 V형침발장하료,다화차,소압하량대조공예,성공단출2Cr11MoVNbN협편,질량체도요구.
2Cr11MoVNbN steel is one of the steel grades with best heat-resistant property among 12% Cr steels, and it is an ideal material used for subcritical and supercritical steam turbine blades .Through smelting with VOD meth-od, drawing with top flat anvil and bottom V type anvil , and upsetting with more than one heat and small percent reduc-tion, the 2Cr11MoVNbN steel blades has been produced successfully to meet technical requirements .
