100% Raw Material Hard Alloy Stud dia 22*50mm for Hpgr Roller iron ore mining The performance of its carbide pin determines the operating conditions of the roller press. The good operation of the roller press requires high-quality cemented carbide roller studs. Reference Size Features of tungsten Carbide studs.: Rounded corners & chamfering prevent damage during production, transport, installation, & use. Overpressure sintering ensures high density & strength. Special tech eliminates surface stress, boosting hardness. Recommend Tungsten Carbide Material Grade: Material Grade for Carbide Pin Stud Grade Densityg/cm3 HardnessHRA TRS>N/mm2 Chemical CompositionCo(%) Coercivity kA/m YG8 14.62-14.82 89.5-91.0 1800 7.7-8.2 10.0-15.5 YG8C 14.6-14.8 87.5-89 2000 8-8.5 6.3-9.3 YG10C 14.35-14.55 87.0-88.5…