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Cu Si Plunger

Cu EURO is the high resistance Cu alloy for cold chamber die casting.

[ pistoni e barre cu-euro ]
 

 

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Cu EURO Plunger

Cu EURO material has been developed for working at extreme conditions, and so It faces very high feature (as the strength grade: minimum HB 200).

 

The Cu EURO material quality
Cu EURO is part of Cu alloys called CuNISi, produced by structural strengthening, with high physical features in cold and hot environments.

 

The Cu EURO material quality
Cu EURO is part of Cu alloys called CuNISi, produced by structural strengthening, with high physical features in cold and hot environments.

Cu EURO features.

  • High grades of strength and hardness (minimum HB 200)
  • The production cycle assures stable mechanical features also with very big temperature differences
  • Very high grade of friction and wear resistance
  • High strength against hurts and very heavy charges
  • Very performing thermal conductivity because Cu EURO is a Cu alloy.

Application
Its main application is the production of plungers for cold chamber aluminium die casting, because
Cu EURO plungers can endure for many shots with an appropriate cooling system, due to their wear resistance and conductivity.

  • Full row bars (1000 mm. length)
  • Cut row bars (according to length requests)
  • Plunger ready to use already worked (according to customer drawings)

 

Here attached you can find a schedule where dimensions of cut raw bars and plunger ready to use are showed.

Finish dimensions
50
55
60
65
70
75
80
85
90
95
100
110
120
130

 

Feature mechanical – physical - thermal CU-EURO
Hardness: HB 190 – 230 (MIN. 200)
Breaking load: Rm 580 – 730 N/mm_
Stretching: A5 % > 8
Density: 8,8 Kg/dm_
Electrical conductivity: ca. 22 – 26/_ mm_
Thermal expansion coefficient: A=ca 16X106 1K
Specific heat: Cp = 0,4 j/gk