... and flap discsApplications: hard titanium alloy, high carbide stainless steel, heat-resistant alloy, high molybdenum steel, nichrome alloy, akrit, hard bronze, gray cast iron, etc.Grit ... discs 3)Applications: hard titanium alloy, high carbide stainless steel, heat-resistant alloy, high molybdenum steel, nichrome alloy, akrit, hard bronze, gray cast iron, etc. 4 ...