What are the varieties of special steel
The alloy steel and high alloy steel special steel production accounted for 70%, mainly for special steel carbon structural steel, carbon tool steel, carbon spring steel, alloy spring steel, alloy structural steel, bearing steel, alloy tool steel, alloy tool steel, high-speed tool steel, stainless steel, heat-resistant steel and high-temperature alloy, precision electrothermal alloy alloy, etc..
China and Japan, the definition of special steel is relatively close, the special steel into high quality carbon steel, alloy steel, high alloy steel (alloy element is greater than 10%) three categories
