In the local Turkish steel plate spot market, traders' prices for stock material St37 grade15-40 mm x 1,500 mm steel plate in Turkey's Gebze and Eregli regions have declined by$5/mt over the past two weeks and are currently at $675-685/mt ex-warehouse and $665-675/mt ex-warehouse, respectively, both for advance payments and excluding 18 percent VAT, for April deliveries.