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This paper presents the characteristics of the steel structure design of a large capacity blast furnace shell at the rate of 4,000 m 3 which was adopted by the Chinese steel metallurgy industry, and describes the application of BB502/BB503 type steel in its construction. This has two indicators of strength δb = 490 n/mm, while δs = 295 n/mm, blast power at 0°C is no less than 47J. The thickness...
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