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5% Elongation Non Precious Dental Alloys Wear Resistance Made With Cobalt Chrome

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5% Elongation Non Precious Dental Alloys Wear Resistance Made With Cobalt Chrome

Large Image :  5% Elongation Non Precious Dental Alloys Wear Resistance Made With Cobalt Chrome

Product Details:

Place of Origin: China
Brand Name: Willett
Model Number: CF-s

Payment & Shipping Terms:

Minimum Order Quantity: 25kg
Price: Contact for pricing
Packaging Details: bottle or paper box
Delivery Time: 5-8 working days
Payment Terms: Western Union, L/C, T/T
Supply Ability: 100 + kg + per day
Detailed Product Description
Density: 8.5g/cm3 Elongation: 5%
Melting Range: 1250-1300C Vickers Hardness: 360HV10
Co: 60% Cr: 31%
Mo: 5.6% Modulus Of Elasticity: 190GPa

Dental Non Precious Dental Alloys made with Cobalt Chrome for framework in shot shape

 

With or without label in irregular shapes

 

Advantages:

 

(1). Superior mechanical performance castability, toughness

(2). Corrosion resistance , wear resistance , high intensity , high hardness, stays in shape

(3). Nickle-free & beryllium-free, great biocompatibility

 

Properties:

 

Melting Point: 1250-1300 ℃

Density : 8.5g/cm3

Hardness: 360HV10

Modulus of elasticity: 190GPa

Elongation: 5%

 

Composition:

 

Co Cr Mo W Others
60-63 27-29 5-6 4-6 ≤0.5

 

 

FAQ:

 

What is the perfect temperature to obtain the best result when casting?

 

The casting temperature should always maintain 100~150℃ higher than liquidus temperature.

 

What is the perfect timing to obtain the best result when casting?

 

While casting Nickel Chrome alloys that don't contain Beryllium, the surface of the melting alloys will appear a layer of shadow. Once the shadow disappears and the edges of the alloy have become rounded (melted until it becomes a sphere shape is not necessary) will be the best timing for casting. Perfect timing for casting Cobalt Chrome alloy is to heat it till the surface membrane perforated and a spark of bright light start to appear.

 

Cobalt Chrome casting piece is incomplete, what are the causes?

 

1. Casting ring is not heated evenly: While casting Cobalt alloys, casting ring must heat up gradually and slowly before reaches 300℃. Let it sit in the oven in between 300℃ and 600℃ for 10-30 minutes. Once it heats up to the desired temperature, maintain the same temperature for at least 30 minutes before casting.

 

2. Casting temperature is below/above alloy's requirement.

 

3. Strub designed improperly: For example, Strub is too narrow. We strongly recommend the Strub diameter consist of 5mm or more.

 

4. The amount of alloy is not enough for the casting piece or the centrifugal force of casting pressure is not enough.

 

5. Casting piece has not avoided the heat center.

 

 

 

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