Alloy
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Brand: SheraCobalt-based dental casting alloy
– Chrome – 28%
– Cobalt – 64%
– Molybdenum – 6%
– Elements below 1% – C, Fe, Si, Mn, N
– for combination work and clasp dentures
– Laserable
– Type 5 alloy
– Class IIa medical device
Technical Information
Vickers Hardness (HV 1) – 360
Density – 8.2g/cm3
Tensile Strength – 800 MPa
Elongation at break A5 – 5%
Elastic Modulus – 220 GPa
Solidus Point – 1,270 degrees C
Liquidus Point – 1,400 degrees C
Pouring Temperature – 1,500 degrees C
Brand: SheraContinuous casting
~ Universal alloy
~ Favourable price-performance ratio
~ Suitable for laser weldingTechnical specification
vickers hardness (HV 1) 549 density (g/cm3) 8.3 tensile strength (N/mm2) 675 0.2-yield strength (N/mm2) 441 elongation limit A5 (%) 9.3 modulus of elasticity (N/mm2) 197,000 liquidus point (°C) 1,400 solidus point (°C) 1350 casting temperature (°C) 1,600 Composition in %
chrome 29 cobalt 63 molybdenum 6 further elements below 1% C, Fe, Si, Mn 
Brand: Shera>Continuous casting
~ optimal for combination dentures
~ slightly increased elasticity
~ suitable for laser welding
Technical Specification
vickers hardness (HV 1) 390 density (g/cm3) 8.3 tensile strength (N/mm2) 761 0.2-yield strength (N/mm2) 609 elongation limit A5 (%) 6 modulus of elasticity (N/mm2) 200,000 liquidus point (°C) 1,400 solidus point (°C) 1,340 casting temperature (°C) 1,450 Composition in %
chrome 31 cobalt 62 molybdenum 5 further elements below 1% C, Fe, Si, Mn