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 value	diameter en mm	thickness in mm	weight in g	shape	composition
0,01€	16,25	1,67	2,3	round	Copper covered steel
0,02€	18,75	1,67	3	round	Copper covered steel
0,05€	21,25	1,67	3,9	round	Copper covered steel
0,10€	19,75	1,93	4,1	round	“Nordic gold” alloy CU89Al5Zn5Sn1
0,20€	22,25	2,14	5,7	round with notches (“Spanish flower” shape)	“Nordic gold” alloy CU89Al5Zn5Sn1
0,50€	24,25	2,38	7,8	round	“Nordic gold” alloy CU89Al5Zn5Sn1
1€	23,25	2,33	7,5	round	Outer ring: nickel brass (CuZn20Ni5); Inner part: three layers: copper-nickel, nickel, copper-nickel (Cu75Ni25/Ni12/Cu75Ni25)
2€	25,75	2,20	8,5	round	Outer ring: copper-nickel (Cu75Ni25); Inner part: three layers: nickel brass, nickel, nickel brass (CuZn20Ni5/Ni12/CuZn20Ni5)

 

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