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GH2018時效(xiao)硬化型鐵基(ji)高溫合(he)金
GH2018高溫合(he)金概述:GH2018高溫合(he)金是(shi)一種以鎢、鉬、鎳等元素組成的時效硬化型鐵(tie)基高溫合(he)金,含鎳量約(yue)為43%。 GH2018高溫合(he)金具有良(liang)好(hao)的熱(re)、冷(leng)加工性(xing)(xing)能,在(zai)固溶狀態下(xia)有良(liang)好(hao)的工藝性(xing)(xing)能;在(zai)完全(quan)熱(re)處理后有較高的高溫強度。
GH2018化學成(cheng)分:
C:≤0.06
Cr:18.0~21.0
Mo:3.7~4.3
Ni:40.0~44.0
W:1.8~2.2
Al:0.35~0.75
Ti:1.8~2.2
Fe:余量
Si:≤0.6
Mn:≤0.5
P:0.02
S:0.015
B:≤0.015
Ce:≤0.02
Zr:≤0.05
GH2018主要(yao)用途:GH2018用于(yu)工(gong)作(zuo)溫度800℃以下的渦輪發動機燃燒室(shi)、加工(gong)燃燒室(shi)及其他(ta)高溫部件(jian)。
GH2018的(de)品種規格與供應(ying)狀態:
1、品種分類:無縫管(guan)、焊(han)管(guan)、板材、棒材、鍛件(jian)、圓環、絲材及(ji)配套焊(han)材。
2、交貨狀(zhuang)態(tai):無縫管:固(gu)(gu)(gu)溶(rong)(rong)(rong)+酸(suan)(suan)白,長度可(ke)定尺;板材(cai)(cai):固(gu)(gu)(gu)溶(rong)(rong)(rong)、酸(suan)(suan)洗、切邊(bian);焊管:固(gu)(gu)(gu)溶(rong)(rong)(rong)酸(suan)(suan)白+RT%探(tan)傷,鍛件:退火(huo)+車光(guang)(guang)(guang);棒材(cai)(cai)以鍛軋(ya)狀(zhuang)態(tai)、表面磨光(guang)(guang)(guang)或(huo)車光(guang)(guang)(guang);帶材(cai)(cai)經冷(leng)軋(ya)、固(gu)(gu)(gu)溶(rong)(rong)(rong)軟(ruan)態(tai)、去(qu)氧(yang)化皮交貨;絲(si)材(cai)(cai)以固(gu)(gu)(gu)溶(rong)(rong)(rong)酸(suan)(suan)洗盤狀(zhuang)或(huo)直(zhi)條(tiao)狀(zhuang)、固(gu)(gu)(gu)溶(rong)(rong)(rong)直(zhi)條(tiao)細(xi)磨光(guang)(guang)(guang)狀(zhuang)態(tai)交貨。

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