jihai0058

1. black or machined surface 2. annealed or prehardened 3. after ultrasonic test under standard GB/T6402-1991 1.Main application For plastic moulds with high war resistance and corrosion resistance requirments;transprent platic moulds,such as pvc. 2. Features Medium~carbon,high-Chrome,martensitic stainless steel;good corrosion resisitance,wear resistance,polishing sbilities as well as high ...