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Alloy for tube of up-to-date super critical boiler
Alloy for tube of up-to-date super critical boiler
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机译:最新超临界锅炉管用合金
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摘要
An ultra supercritical boiler tubing alloy characterized by a microstructure stabilized and strengthened for 375 bar/700° C. steam, in weight percent, service and alloyed to resist coal ash/flue gas corrosion for 200,000 hours consisting of 10 to 24 cobalt, 22.6 to 30 chromium, 2.4 to 6 molybdenum, 0 to 9 iron, 0.2 to 3.2 aluminum, 0.2 to 2.8 titanium, 0.1 to 2.5 niobium, 0 to 2 manganese, 0 to 1 silicon, 0.01 to 0.3 zirconium, 0.001 to 0.01 boron, 0.005 to 0.3 carbon, 0 to 4 tungsten, 0 to 1 tantalum and balance nickel and incidental impurities.
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机译:一种超超临界锅炉油管合金,其特征在于微结构在375 bar / 700°C蒸汽(按重量百分比计)中稳定并增强,并经过合金处理以抵抗煤灰/烟道气腐蚀200,000小时,包括10至24钴,22.6至20钴。 30铬,2.4至6钼,0至9铁,0.2至3.2铝,0.2至2.8钛,0.1至2.5铌,0至2锰,0至1硅,0.01至0.3锆,0.001至0.01硼,0.005至0.3碳,0到4钨,0到1钽以及其余的镍和其他杂质。
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