successfully developed X70 pipeline steel in its 150t converter - 1780nun hot continuous rolling production line by designing reasonable chemical composition and production process . […]

successfully developed the X70 steel grade HFW submarine pipeline steel pipe in 2009 after first developing the X65 steel grade HFW steel pipe for submarine transportation in 2006 . […]

The causes of unqualified cold bending of SS400 steel coils were analyzed through macroscopic inspection, mechanical property test, chemical composition analysis and metallographic inspection . […]

Introduced the characteristics of the all-hydrogen bell annealing furnace imported from Austria , combined with the actual production situation of Tangshan Iron and Steel Cold Rolling Plant , […]

Aiming at the quality problems of contusion defects often occurring in the 410S stainless steel produced by the 1 780 mm production line of the stainless steel division when the tempering unit is recoiled, […]

The mechanical structure and expansion and contraction principle of the reel of the 1580 hot rolling coiler, the main reasons for the core pulling of the reel are mainly analyzed, […]