Turkish deepsea import scrap prices are expected to remain relatively firm over the first quarter of 2023, supported by tight supply, posing a continued challenge to Turkish steel mill margins, sources said. Platts assessed Turkish bulk imports of premium heavy melting scrap 1/2 (80:20) at $386.75/mt CFR Dec. 23, unchanged day on day. The assessment averaged $444.69/mt CFR over the…