Steel Round BarChina Special/Tool/Die/Alloy Steel P20 1.2738 1.2738hh Grinding Steel Block Ground Die Steel Plascit Alloy Mold Steel, Find details about China Steel, Tool and Die Steel from Special/Tool/Die/Alloy Steel P20 1.2738 1.2738hh Grinding Steel Block Ground Die Steel Plascit Alloy Mold Steel