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Materion BrushCAST® 20C High Strength Casting Alloy (As Cast & Aged)

Category Metal , Nonferrous Metal , Copper Alloy , Copper Casting Alloy
Manufacturer Materion Corporation (former Brush Wellman)
Trade Name BrushCAST®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Materion BrushCAST® 20C High Strength Casting Alloy (As Cast & Aged).pdf
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Material Notes:
Pouring Temperature: 1010-1120°CHeat treatment required for max strength (Annealing): 760-790°C/water quenchHeat treatment required for max strength (Hardening): 760-790°C/water quenchDescription: The unique combination of physical and mechanical properties of copper beryllium casting alloys provide a dynamic range of metallurgical alternatives to meet specific performance requirements. The inherent strength, hardness, conductivity, and castability of these materials make them ideal for applications which require a high performance engineered material solution. Advancements in component casting technology and proprietary material production technology pioneered by Brush Wellman have resulted in BrushCAST™ alloys being a cost effective design choice.BrushCAST™ high strength casting alloys provide peak strength and hardness greater than many steels, but with thermal conductivity similar to that of aluminum and up to five times that of steel. Additionally, these alloys offer good electrical conductivity, excellent wear and galling resistance, and the highest accuracy in replicating fine detail in cast components.Information supplied by Brush Wellman Engineered Materials.Brush Engineered Materials Inc. changed its name to Materion Corporation in March 2011.
Physical Properties Metric English Comments
Density 8.30 g/cc
0.300 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 20 - 24
20 - 24
Tensile Strength, Ultimate 689 - 724 MPa
100000 - 105000 psi
Tensile Strength, Yield 483 - 517 MPa

@Strain 0.200 %
70000 - 75000 psi

@Strain 0.200 %
Elongation at Break 10 - 20 %
10 - 20 %
Modulus of Elasticity 131 GPa
19000 ksi
Thermal Properties Metric English Comments
CTE, linear 18.0 µm/m-°C

@Temperature 21.1 - 204 °C
10.0 µin/in-°F

@Temperature 70.0 - 400 °F
Thermal Conductivity 96.8 W/m-K
672 BTU-in/hr-ft²-°F
Component Elements Properties Metric English Comments
Beryllium, Be 1.9 - 2.25 %
1.9 - 2.25 %
Carbon, C 0.20 - 0.35 %
0.20 - 0.35 %
Cobalt, Co 0.35 - 0.70 %
0.35 - 0.70 %
Copper, Cu 97 %
97 %
as balance
Electrical Properties Metric English Comments
Electrical Resistivity 0.00000688 - 0.00000956 ohm-cm
0.00000688 - 0.00000956 ohm-cm
Conductivity is 18-25% IACS
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