High Line Operation Points – Heating zone
Thermal system: 1.1.1 Rolling temperature: 990±20℃, the furnace temperature of each section is controlled in a balanced and stable manner, and the heating time is 90 minutes. 1.1.2 Furnace temperature control Cold billet furnace temperature control（℃） Hot billet furnace temperature control（℃） soaking section (II) heating (I) heating soaking section (II) heating (I) heating 1090 1090 […]
High Line Operation Points- rolling mill area
Material shape control 1）Material shape process parameters: Rolling Mill roughing mills intermediate rolling pre-finishing mill finishing mill Material type of the last flight of the unit（mm） 77.0±0.5 35.5±0.3 Φ6.5 Φ8 Φ10 Φ12 Φ14 Φ16 Control according to technical conditions of finished products 20.2 19.6 19.6 19.0 22.0 20.2 ±0.2 2）Material shape control principles and precautions: […]
High Line Operation Points – Finishing area
Air cooling line control parameters Specifications 1 2 3 4 5 6 7 8 9 10 11 fan insulation cover Φ6.5 300 310 320 330 340 350 400 450 480 500 600 On1，2 All on Φ8 300 310 320 330 340 350 400 450 480 500 600 On1，2 All on Φ10 300 310 320 330 […]