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Biocrown® IV plus

Technical data

Type: extra hard, Type 4 according to ISO 1562 and ISO 9693
Colour: yellow

Compositions in

weight-%

(atom-%)

Gold/Platin metals

79,7

(62,7)

Gold (Au)

71,0

(55,1)

Platin (Pt)

7,4 

(5,8)

Iridium (Ir)

0,2

(0,2)

Rhodium (Rh)

1,1 

(1,6)

Silver (Ag) 

11,6 

(16,4)

Copper (Cu)

8,2 

(19,7)

Zinc (Zn)

0,5

(1,2)

 

    europaflagge

Information presented on  this webpage only refers  to European Markets.
Melting range  (°C)   900 - 970
Vickers hardness  (HV 5)   w 155   a 225   g 225
0,2 %-yield strength**  (N/mm2)   a 540   g 355
Tensile strength**  (N/mm2)   a 735   g 540
Elongation**  (%)   a 18   g 37

Density (g/cm3)   15,7

* coefficient of thermal expansion
** measurements with samples according to ISO 1562, 9693, 8891
w = soft
a = hardened
b/g = attainable hardness due slow cooling in the mould
Processing instructions (Download)
Test Certificate (Download)