SILVERSPEED-XL: Premium Nickel Silver Alloy for Superior Machining

SILVERSPEED-XL is a copper alloy with additions of zinc and nickel to give an attractive soft silvery colour not as brash as stainless steel. It is a truly superlative free-machining alloy with a machinability rating almost the same as free cutting brass. It is highly recommended for the production of intricate components by complex machining operations. This grade is stocked exclusively by Columbia Metals and has the same application and performance characteristics as NS101. However, the invaluable increase of around 20% in machinability over NS101 can provide clean, burr free, close tolerance, high surface quality components at maximum production speeds and prolonged tool life. SILVERSPEED-XL is a copper alloy with additions of zinc and nickel to give an attractive soft silvery colour not as brash as stainless steel. It is a truly superlative free-machining aloy with a machinability rating almost the same as free cutting brass. It is highly recommended for the production of intricate components by complex machining operations. This grade is stocked exclusively by Columbia Metals and has the same application and performance characteristics as NS101. However, the invaluable increase of around 20% in machinability over NS101 can provide clean, burr free, close tolerance, high surface quality components at maximum production speeds and prolonged tool life.

Properties

General

Property	Temperature	Value
Density	23.0 °C	8.44 g/cm³

Mechanical

Property	Temperature	Value
Elastic modulus	23.0 °C	120 GPa
Elongation	23.0 °C	20 %
Hardness, Vickers	23.0 °C	185 [-]
Tensile strength	23.0 °C	560 MPa
Yield strength Rp0.2	23.0 °C	450 MPa

Thermal

Property	Temperature	Value
Melting point		850 - 870 °C
Thermal conductivity	23.0 °C	30 W/(m·K)

Electrical

Property	Temperature	Value
Electrical conductivity	23.0 °C	2.90E+6 S/m
Electrical resistivity	23.0 °C	3.4E-7 Ω·m
Specific Electrical conductivity		5 % IACS

Magnetic

Property	Temperature	Value	Comment
Relative magnetic permeability	23.0 °C	1.05 [-]	max.

Chemical properties

Property	Value	Comment
Copper	47 - 50 %
Iron	0.3 %	max.
Lead	2.3 - 3.3 %
Manganese	1.5 - 3 %
Nickel	6 - 8 %
Zinc	Balance

Technological properties

Property
Application areas	General: Gears, pinions, clock and watch parts, screws and fasteners, keys, lock parts, decorative and architectural metalwork, camera parts, electrical and electronic pins and connectors, medical, industrial and scientific instrument components
Corrosion properties	Very high corrosion resistance
General machinability	Excellent machinability

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Metal