JOHANNESBURG (Dow Jones)--ArcelorMittal South Africa (ACL.JO) said Tuesday that it will lower the prices of some of its steel products and reduce the Sishen surcharge due to a fall in international iron ore prices. The price reduction will take effect for deliveries from July 1. -By Devon Maylie, Dow Jones Newswires; +27 11 7837 848; [email protected] (END) Dow Jones Newswires June 22, 2010 12:24 ET (16:24 GMT)