1 and steel S 136 are characterized by excellent corrosion resistance, excellent polishing, excellent wear resistance, excellent machinability and excellent quenching stability.
2. The characteristics of steel material NAK80: no heat treatment, excellent polishing, good machinability and etchability; Vacuum degassing refining treatment of steel purity: spheroidizing annealing softening treatment has good machinability; Specially added strengthening elements vanadium and molybdenum have excellent wear resistance.
Second, they have different purposes:
1, steel S 136 uses: generally used for mirror polishing molds, dust prevention, TV filter plates, cosmetics boxes, precision wrinkle processing molds, office automation equipment, and electric discharge processing molds for automobile parts.
2. Application of 2.NAK80 steel: transparent products or products requiring smoothness, such as transparent product molds for household, automobile, camera and computer.
Third, their carbon content is different:
Carbon content of 1 and steel material S 136: 0.25%.
2. Carbon content of 2.NAK80 steel: 0.06% ~ 0.20%.
Baidu encyclopedia -S 136 mold steel
Baidu encyclopedia -S 136
Baidu encyclopedia -NAK80
Baidu encyclopedia -NAK80 mold steel