OEGUSSA - Jewellery alloys

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Stock dimensions- jewellery alloys

Name

Sheet

Round wire

Square wire

Coloured gold alloys:

2.0

1.5

1.2

1.0

0.8

0.5

2.0

1.5

1.2

1.0

0.8

0.5

5.0

4.0

3.0

2.0

750/150 yellow

750/130 City Color

750/1100 medium

585/260 yellow

585/143 yellow special

as cast cube

585/140 medium

585/94 medium special

as cast cube

585/-- red

White gold alloys:

2.0

1.5

1.2

1.0

0.8

0.5

2.0

1.5

1.2

1.0

0.8

0.5

5.0

4.0

3.0

2.0

752 Eurowhite 2)

751 Onipal 1)

as cast cube

750 Citywhite 1)

590 Onipal 1)

587 Eurowhite 2)

585 Citywhite 1)

Silver alloys:

2.0

1.5

1.2

1.0

0.8

0.5

2.0

1.5

1.2

1.0

0.8

0.5

5.0

4.0

3.0

2.0

925/000

800/000

Platinum alloys:

2.0

1.5

1.2

1.0

0.8

0.5

2.0

1.5

1.2

1.0

0.8

0.5

5.0

4.0

3.0

2.0

960/40 Pt/Cu

950/50 Pt/Co

as cast cube

800/200 Pt/Ir 3)

1)       = these alloys are nickel-free!
2)       = these alloys contain nickel but comply with the European standard EN 1811!
3)       = according to the current engraving law, the iridium contained in a platinum alloy should be taken          as equivalent to platinum!

Technical data for Ögussa jewellery alloys

	Density	Melting range	Hardness/soft	Hardness/hard	Tensile strength/soft	Breaking elongation/soft
Refined metals	g/cm³	ºC	HV 5	HV 5	N/mm²	%
Refined gold	19.30	1063	25	65	130	45 - 50
Refined silver	10.50	961	30	80	140	40 - 50
Refined platinum	21.40	1773	45	90	140	30 - 50
Refined palladium	12.00	1554	50	120	200	20 - 35

	Density	Melting range	Hardness/soft	Hardness/hard	Tensile strength/soft	Breaking elongation/soft
Coloured gold alloys	g/cm³	ºC	HV 5	HV 5	N/mm²	%
750/230 green	15.85	990-1015	70	135	290	110
750/170 yellow	15.50	890-920	130	210	500	35
750/120 City Color	15.40	850-890	140	200	520	40
750/110 medium	15.35	882-902	170	230	440	50
750/ 50 red	15.10	880-900	160	255	560	20
585/355 green	14.08	840-900	105	180	440	77
585/290 pale	13.90	850-890	140	225	500	30
585/255 yellow	13.70	830-850	160	245	550	25
585/143 yellow special	13.52	825-845	160	260	590	100
585/130 City Color	13.06	825-860	165	235	560	45
585/140 medium	13.48	848-855	175	255	560	80
585/ 94 medium special	13.15	790-860	150	245	520	120
585/40 red	13.10	900-920	130	235	510	40
377/ 98 yellow	11.60	888-920	110	230	560	70
333/120 yellow	10.70	862-900	110	225	430	60
250/150 yellow	10.28	765-810	115	225	500	98

	Density	Melting range	Hardness/soft	Hardness/hard	Tensile strength/soft	Breaking elongation/soft
White gold alloys	g/cm³	ºC	HV 5	HV 5	N/mm²	%
752 Eurowhite	14.90	920-940	190	280	620	40
751 Onipal	15.10	940-980	120	200	480	45
750 City white	15.80	1040-1150	140	230	480	30
587 Eurowhite	12.70	890-960	145	275	600	30
590 Onipal	13.40	885-920	100	190	490	40
585 City white	14.50	1060-1150	160	245	525	35

	Density	Melting range	Hardness/soft	Hardness/hard	Tensile strength/soft	Breaking elongation/soft
Silver alloys	g/cm³	ºC	HV 5	HV 5	N/mm²	%
970/000	10.44	918-940	65	100	250	80
935/000	10.38	844-913	85	125	290	73
925/000	10.36	820-906	80	125	300	60
900/000	10.20	779-890	95	125	310	58
835/000	10.20	799-848	90	130	330	60
800/000	10.14	779-827	90	130	370	55

	Density	Melting range	Hardness/soft	Hardness/hard	Tensile strength/soft	Breaking elongation/soft
Platinum alloys	g/cm³	ºC	HV 5	HV 5	N/mm²	%
Pt/Cu 960	20.30	1730-1745	105	185	420	76
Pt/W 950	21.00	1840-1860	155	208	540	21
Pt/Co 950	20.50	1730-1740	130	218	340	35
Pt/Ir 950	21.50	1774-1785	80	155	244	40
Pt/Ir 900	21.60	1780-1800	140	230	360	33
Pt/Ir 800	21.70	1815-1830	190	248	570	21

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	© 2009 Ögussa - Österreichische Gold- und Silberscheideanstalt Ges.m.b.H., A-1235 Vienna, Phone: +43 / 1 / 866 46-0, e-mail:office@oegussa.at