Product Description Processing: Sintering - Powder Metallurgy Material: Iron/copper/steel/OEM Material standard: MPIF 35, DIN 30910, JIS Z2550 Surface treatment: High frequency quenching ,oil impregnation Quality control: 100 % inspection Application: Auto parts ,motorcycle parts ,machinery parts Power steering pump rotors Material: Iron powder/alloy Production process: Powder metallurgy Performance: High strength, wear resistance Diameter: 15-20mm Weight: 100-200g OEM Powder Metallurgy Parts: