financial support from the National Natural Science Foundation of China(Nos. 51174019 and 51274269);the Fundamental Research Funds for the Central Universities(FRF-SD-12-010A and FRF-SD-12-002B)
Tramp elements such as tin are considered harmful to steel because of hot brittleness they induce at high temperatures. Because tramp elements retained in steel scrap will be enriched in new steel due to the difficult...