Issue 20


2 Congratulatory telegram

3 PV: 45 years development of Thai Nguyen Steel-Iron  Company

5 Pham Chi Cuong: Memory of olden times in the metallurgical combinate Thainguyen

6 Nguyen Quang Thuan: A standardized secondary school developed from Thai Nguyen metallurgical combinate

8 Pham Chi Cuong: Situation of steel export and import in Vietnam and problem solutions

11 News

Mining and processing of iron ore

16 Trinh Thanh Ha: Innovations in mining and processing of Thainguyen iron ore

19 Phung Viet Ngu & Nguyen Kim Thiet: Enrichment of the brown iron ore in Tien Bo Thai Nguyen

Cast iron production

28 Pham Hong Quan: Granulation of iron ore for blast-furnace

31 Nguyen Minh Hung: On the utilization of the blower D500 for 100m3 blast-furnace

Steel making

33 How to control the carbon oxidization in EAF using 60% of liquid cast iron


35 Phan Dinh Hanh: Heat treatment during steel rolling process


39 Phung Viet Ngu, Bui Van Muu, Dang Van Hao et al.: Thermal magnetic and thermal-chemical benefication methods for Co Dinh cromite concentrate


44 Le Van Binh: Refractory for metallurgy

46 Nguyen Duc Khien: Arsenic and the human health

48 Miscellaneous news