Hot Rolled Alloy Steel Round Bar , Highly Mirror Molds

Specifications
1. high speed tool steel
2. well-distributed carbide
3. good toughness
4. high abrasive resistance and hardness
 

NAK80 plastic mould steel round bar, hot rolled diameter 20~80mm with highly mirror molds

Specifications:

Description:

• Hot rolled  Pre-harden &tempering , black or milled  surface
• Hardness: 38~42HRC  
• Technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface 
• Ultrasonic test standard: SPE1921-GR3, CLASS E/E

 Chemical composition:

Compared grades(based on usage):

Applications:

Used for high grade mirror mold (Molds for transparent,e.g. cosmetics containers, food containers and daily 

electrical appliances.)

Used for the mold focusing on discharge machining surface, (Molds for such products as fruit plate, food box, 

computer casing, keyboards and automobile interior decorations)

Used for plastic molds under long production at high precision. (Molds for such products as electrical switches, 

multifunctional sockets, plugs, charger cashing and computer parts.)

Warehouse showing: