LONG PRODUCTS BULLETIN - SMS Meer GmbH

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Wisco, China: rail and section mill 58 Newsletter No. 1/2008 Just 22 months after order award, the new rail and section mill of Wuhan Iron & Steel (Group) Corporation (Wisco), Wuhan, China, has successfully entered its hot commissioning phase. The mill which features proven key equipment was supplied and installed jointly with the customer under the technical leadership of SMS Meer. Long-product mills Commissioning underway Rolling of the first section. Rolling of beams to the XH ® rolling method. Commissioning Commissioning began at the end of December 2007 with the rolling of rails with a weight of 60 kg/m. In the weeks and months thereafter, all the products included in the product mix were, and still are, rolled. The rolling mill consists of two 2-high reversing stands and one universal tandem rolling group with hot saws and one 105-m-long and 42-m-wide cooling bed. The mill also incorporates the proven CCS ® stands (Compact Cartridge Stands) for automatic high-speed changing. The cooling bed is equipped for pre-bending of the rails. The horizontal/vertical straightening machine located downstream of the cooling bed completes our supplies. For rail rolling, the rail and section mill employs the universal rolling method. It is able to produce rails up to a length of 100 m with close tolerances for use in high-speed railway systems. Wisco is now the fourth rail producer in China using technologies and equipment made by SMS Meer.
Universal rolling in the compact stand group. The mill is able to attain a production of 1.05 million tpy, with the product mix comprising: n 550,000 tpy, various rail types of 38 to 89 kg/m n 400,000 tpy, parallel-flanged beams of 175 x 175 to 600 x 300 (mm x mm) n IPN beams of 250 to 500 mm n Channels of 250 x 80 to 400 x 104 (mm x mm) n Angles of 33 to 71 kg/m n Piling sections n Mining sections n Bulb flats Horizontal /vertical straightening machine in a production plant. Horizontal straightener in the shop. Pre-bending of rails on the cooling bed. Newsletter No. 1/2008 59
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LONG PRODUCTS BULLETIN Special Edit
Page 3 and 4:
The new wire rod mill has been desi
Page 5 and 6:
Commissioning Stahlwerk Annahütte
Page 7 and 8: The core element of a modern heavy-
Page 9 and 10: Celsa’s section mill: preventing
Page 11 and 12: Good for the environment and for re
Page 13 and 14: Five-strand billet caster The casti
Page 15 and 16: The here realized beam blank castin
Page 17 and 18: Piya Chairat, Plant Manager of Siam
Page 19 and 20: The minimill for medium sections of
Page 21 and 22: Service SMS Meer (UK) Ltd.: Service
Page 23 and 24: Commissioning SMS Meer has moderniz
Page 25 and 26: Commissioning Long-product Mills Ab
Page 27 and 28: New order About 1 million t of stee
Page 29 and 30: The new pre-assembly bay. Component
Page 31 and 32: The CRS® roller straightener. To m
Page 33 and 34: The new metallurgical complex will
Page 35 and 36: Furnace and rolling mill Reheat fur
Page 37 and 38: Magnetic stacker. Saw in operation.
Page 39 and 40: For this modernization the continuo
Page 41 and 42: Yield improved by 30 %. A benefit o
Page 43 and 44: Temperature progression for wire ro
Page 45 and 46: Automatic gage control and monitor
Page 47 and 48: The wire outlet starts with a cropp
Page 49 and 50: Annual capacity: 690,000 t of wire
Page 51 and 52: New order Capacity: 1 million t of
Page 53 and 54: Finishing area with 90-m cooling be
Page 55 and 56: Revamp with just minor production l
Page 57: Higher yield and closer length tole
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LONG PRODUCTS BULLETIN - SMS Meer GmbH

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