Tag archief nak80

The type of steel for your plastic mold depends mainly on the injection you would like to make of yoru part or products:

we distinguish 4 types of steel from low cost untill high cost.

1. AISI 1045,1050, the cheapest, product have rough surface, dimensions will not be precise, not recommended.The lifespan of this steel is only good for 1000-3000 shots per cavity.

1. American AISI P20 , which is the most used steel in China, at least at our company , and lower in cost than than NAK80 or S136.  And similar to Swedish 618/V007. This steel is used for cavities that can injection 100-250 thousand shots.
2. German 2083/2316  heaper than S136/ Swedish S136, expensive, mirror finish, good for product that requires high transparency or surface quality.   Similar to AISI 420, useed for parts that have a shot life time of  up to 1 million and or Good for corrosive plastics (PVC,POM) Life Span: 1 million injections. 
3. Life Span: 0.5 to 1 million injections
   Japanese NAK80 (*popular choice), mirror finish, good for product that requires high transparency or surface quality.  Similar to AISI P20+Ni, German 2738, Swedish 718 (cheaper).