The world's largest and 'King of Rolling Mills” 5600mm wide and heavy plate roughing mill was successfully assembled in Luoyang, Henan

According to news from this website on August 23, CITIC Heavy Industries announced yesterday that it has successfully completed the manufacturing process and successfully assembled the key parts of the "King of Rolling Mills" 5600mm wide and thick plate roughing mill. According to CCTV News, on the morning of August 23, the 5600mm wide and heavy plate roughing mill rolled off the production line in Luoyang, Henan, marking the world's wide and heavy plate rolling mills entering the 5600mm era.

▲ 5600mm wide and thick plate roughing mill assembly site (picture source: CITIC Heavy Industries, the same below) This site noticed that this rolling mill is currently the largest wide and heavy plate rolling mill in the world and is known as the "King of Rolling Mills".

In its production process, the most critical and most difficult to manufacture are the rolling mill archway and support rollers. The two archways were successfully cast on October 9 and November 17, 2023 respectively. The single-piece archway is as high as 16.32 meters, it is cast using a 7-pack ladle of molten steel casting process; the support roller has a diameter of 2.4 meters and a total length of 11.63 meters. It is currently the largest support roller in the world.

▲ 5600mm wide and heavy plate roughing mill archway pouring site This is the first time that this ultra-large-sized wide and heavy plate rolling mill adopts the "domestic design + domestic manufacturing" model. Previously, domestic wide and heavy plate rolling mills above 4300mm all used foreign technology. After the unit is completed, the annual production capacity of the line can reach 2.6 million tons, which will be used to meet the needs of high-end plate steel for offshore engineering, shipbuilding, new energy, engineering machinery, etc.

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