Nicr Metal Alloy

Best price for nickel-chromium alloy,
Be free Nicr metal alloy

1. Products information

Biocompatible, beryllium-free, nickel-chromium alloy for use for casting and ceramic restorations.

1. Product: PFM casting cobalt chrome dental alloy

2. Technical Data & Composition

Technical Data Composition
Melting Range1290° C-1370° CCobalt 61%
Yield Strength530 MPAChrome25%
Density8.5 (g/cc)Molybdenum6%
Elongation4%Tungsten5%
Coefficient of Liner
Expansion(25-500° C)
14.1 X 10-6 K-1Others<3%
Elastic Modulus210Gpa

3. Instructions for use
Waxing: Mininum metal thickness (after grinding) should be 0.3mm. Waxing could be as thin as 0.3mm to 0.35mm
Spruing:
A-Direct for single units. Sprueing should be 6mm in length. Based on the size and the thickness of crowns use 6-8 gauge sprues.
B-indirect for multiple units. Use straight 8 gauge sprue, about 3 or 4mm in length and connect it to the unit.
For long spanned bridges use and additional sprue connected to the last unit.
Investing: Use high heat investments. Follow the manufacturer's instuctions carefully. After investment has set, scrape the top of the investment to allow gases to escape.
Burnout: Place the ring in the furnace at room temperature, increase the temperature to 980-1050° C, with one hour holding time. Add 10/15 extra minutes for each addtional ring.