89.5 HRA Cemented Carbide Inserts K40 Processing Heavy Rock Drill Bits

Feb 11, 2025
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For Heavy Rock Drill Bits And Rotary-Percussive Bits Cemented Carbide Inserts Grade Information: Grade Performance typical value Characteristics & Applications ISO Code Equivalent Grades Density (g/cm3) TRS (N/mm2) Hardness (HRA) ST2090 14.2 2800 89.5 Good toughness, excellent high resistance to thermal crack and plastic deformation, suitable for roughing of alloy structure steel, alloy steel, high manganese steel as well as stainless steel, an ideal material for rotor
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