India: Silico manganese prices plunge as buyers negotiate. Indian silico manganese last week due to a lack of buying interest at higher prices. Buyers are aggressively negotiating with producers ... Introduction Champak Steel & Engg. established in 1978, under the leadership and mentoring of intellectual individuals, is currently one of the largest Manufacturer, Supplier, Stockiest, Importer and Exporter of Stainless Steel , Carbon Steel , Alloy Steel , High Nickel Alloys , Special Alloys , Aluminium Alloys , Copper Nickel , Titanium Alloys , Duplex & Super Duplex , …The equivalent Chinese material of AISI 8620 alloy steel is 20CrNiMo, which is amon material grade in steel forging. AISI 8620 is a type of alloy steel, whichposed of iron, carbon, silicon, molybdenum, manganese, nickel, chromium, sulphur and phosphorus.crusher manganese steel, manganese parts, high chrome casting, high manganese steel casting, ni hard casting, cast iron casting, ductile iron casting, Contact Now is the world's leading and fastest growing online business-to-business (B2B) marketplace that connects small and medium businesses across the globe for international trade.