COLPHOS 90 Phosphor Bronze

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Description

COLPHOS 90 (CuSn4Pb4Zn3) is a high grade leaded tin (phosphor) bronze, the composition and production of which is carefully controlled to provide a fine grained, single phase wrought alloy of outstanding quality, strength and machinability.The tensile properties and corrosion resistance of COLPHOS 90 are similar to PB102 phosphor bronze and are enhanced by good fatigue strength and thermal and electrical conductivity. These properties, combined with a free machinability rating some 90% that of CZ121 free-cutting brass, make it an ideal choice for intricate machining.COLPHOS 90 provides design and materials engineers, machinists and engravers with the ability to specify and take full advantage of an outstanding, cost-effective copper alloy with a remarkable combination of properties. It shows the following features and properties:

Exceptional machinability

Excellent wear resistance and bearing tolerance

Excellent engraving, enamelling, polishing and plating characteristics

Very good corrosion resistance

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Eigenschaften

Mechanisch

Property	Temperature	Value
Dehnung	23.0 °C	8 - 18 % Show Material materials with Dehnung of 8 - 18 %
Streckgrenze Rp 0,2	23.0 °C	250 - 350 MPa Show Material materials with Streckgrenze Rp 0,2 of 250 - 350 MPa
Zugfestigkeit	23.0 °C	345 - 450 MPa Show Material materials with Zugfestigkeit of 345 - 450 MPa

Chemical properties

Property	Value
Blei	4 % Show Material materials with Blei of 4 %
Kupfer	Balance
Phosphor	0.2 % Show Material materials with Phosphor of 0.2 %
Zink	3 % Show Material materials with Zink of 3 %
Zinn	5 % Show Material materials with Zinn of 5 %

Technological properties

Property
Application areas	Offshore & marine: Connector components, pin contacts, electric motor bearings, spring contacts and pinions;Automotive: Camshaft bushes, thrust washers, piston pin bushes, valve guides and bearings;Engraving & enamelling: Name plates, clock, keys, watch and instrument components; decorative and engraving applications where burr-free and intricate detail is required;Other \| gears, cams, pinions, sleeves, water meters, shafts, pumps and valve fittings, stems and seats, fasteners, bolts, studs, screws and washers, press tool components, precision valves and pumps, medical instruments
Corrosion properties	Very good corrosion resistance
General machinability	Machinability Rating: 90

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COLPHOS 90 Phosphor Bronze

Description

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Equivalent Materials

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