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Technical characteristics of euro coins

The colours

The series of eight coins is divided into three groups: the 1 and 2 euro coins are bi-coloured, the 10, 20 and 50 cent coins are gold-coloured and the 1, 2 and 5 cent coins are copper-coloured.

Technical and chemical data

Face valuediameter en mmthickness in mmweight in gshapecomposition
0,01€ 16,25 1,36 2,3 round Copper covered steel
0,02€ 18,75 1,36 3 round Copper covered steel
0,05€ 21,25 1,36 3,9 round Copper covered steel
0,10€ 19,75 1,51 4,1 round “Nordic gold” alloy CU89Al5Zn5Sn1
0,20€ 22,25 1,63 5,7 round with notches (“Spanish flower” shape) “Nordic gold” alloy CU89Al5Zn5Sn1
0,50€ 24,25 1,88 7,8 round “Nordic gold” alloy CU89Al5Zn5Sn1
1€ 23,25 2,125 7,5 round Outer ring: nickel brass (CuZn20Ni5);
Inner part: three layers: copper-nickel, nickel, copper-nickel (Cu75Ni25/Ni12/Cu75Ni25)
2€ 25,75 1,95 8,5 round Outer ring: copper-nickel (Cu75Ni25);
Inner part: three layers: nickel brass, nickel, nickel brass (CuZn20Ni5/Ni12/CuZn20Ni5)

 

See also

  • Link to the ECB website dedicated to euro coins