Smelting process of low-aluminum high-titanium iron-based A286 alloy large-size cast ingot
The invention discloses a smelting process of a low-aluminum high-titanium-iron-based A286 alloy large-size cast ingot, and aims to provide the cast ingot with stable and reliable chemical components for an impeller forge piece for a large centrifugal compressor so as to ensure that the performance...
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| creator | WANG XIAONAN QI CHAO CHOU YINGYU XU LIANYING LIU NING FENG LIANG YANG LIANG LI LIANPENG YANG YUJUN BI YU MENG TIANYU CHEN XIUQIANG HOU SHAOLIN YU TENG HOU ZHIWEN LIU YU |
| description | The invention discloses a smelting process of a low-aluminum high-titanium-iron-based A286 alloy large-size cast ingot, and aims to provide the cast ingot with stable and reliable chemical components for an impeller forge piece for a large centrifugal compressor so as to ensure that the performance of the forge piece meets the use of a compressor impeller. According to the technical scheme, 1, an electric arc furnace (EAF), an LF furnace, a VOD/VHD furnace and a protective atmosphere electroslag furnace are adopted for smelting (phi 750 mm) ingot casting, the non-metallic inclusion level of a large ingot type and the forging ratio of a large forged piece are solved, and the finished product structure and the product performance are improved; 2, according to the aluminum and titanium components of the electrode blank, titanium dioxide powder is added into the ternary pre-melting slag system, and aluminum powder is added in the process, so that the burning loss of the easily burnt element titanium is solved, an |
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| subjects | ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY METALLURGY OF IRON PRETREATMENT OF RAW MATERIALS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL PRODUCTION AND REFINING OF METALS TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Smelting process of low-aluminum high-titanium iron-based A286 alloy large-size cast ingot |
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