CuSn10 pulver

Overview of CuSn10 Powder

CuSn10-pulver är en koppar-tenn-legering som innehåller ca 10% tenn och resten koppar. Den erbjuder en utmärkt kombination av styrka, duktilitet, korrosionsbeständighet, slitstyrka och antifriktionsegenskaper.

Key properties and applications of CuSn10 powder include:

CuSn10 Powder Properties and Characteristics

Fastigheter	Detaljer
Sammansättning	90% copper, 10% tin
Täthet	8,8 g/cc
Partikelns form	Oregelbunden, kantig
Storleksintervall	5-150 mikrometer
Skenbar densitet	Upp till 50% av verklig densitet
Flytbarhet	Måttlig
Styrka	Excellent for Cu alloy powder
Duktilitet	Bra
Korrosionsbeständighet	Mycket bra

CuSn10 is widely used in bearing cages, bushings, welding rods, and wear parts across the automotive, electrical, and industrial sectors.

CuSn10 Powder Composition

Typical composition of CuSn10 powder:

CuSn10 Powder Composition

Element	Vikt %
Koppar (Cu)	Återstående
Tenn (Sn)	9-11%
Bly (Pb)	0.2% max
Zink (Zn)	0,5% max
Andra orenheter	0,1% max

• Copper provides excellent conductivity, corrosion resistance, ductility
• Tin improves strength, hardness, and wear resistance
• Lead, zinc, and other impurities carefully controlled

The optimized Cu-Sn ratio provides an excellent combination of strength, ductility, and manufacturability.

CuSn10 Powder Physical Properties

CuSn10 Powder Physical Properties

Fastighet	Värde
Täthet	8,8 g/cc
Smältpunkt	1020-1040°C
Termisk ledningsförmåga	55 W/mK
Elektrisk resistivitet	7-9 μΩ-cm
Omkristalliseringstemperatur	150-250°C
Maximal driftstemperatur	250°C

• Density is higher than copper
• Melting point reduced compared to pure copper
• Maintains good conductivity
• Recrystallization enables powder compaction
• Tål måttligt höga driftstemperaturer

The physical properties allow use of CuSn10 in electrical components needing good conductivity and strength.

CuSn10 Powder Mechanical Properties

CuSn10 Powder Mechanical Properties

Fastighet	Värden
Hårdhet	80-110 HB
Draghållfasthet	350-550 MPa
Sträckgräns	220-320 MPa
Töjning	10-20%
Elasticitetsmodul	110-140 GPa

• Excellent strength for a copper alloy powder
• Significantly higher than pure copper powder
• Good ductility for 10% tin composition
• Hardness values suitable for wear applications
• Properties depend on production method and porosity

The mechanical properties allow use of CuSn10 powder in high strength electrical and friction components.

CuSn10 Powder Applications

Typical applications of CuSn10 powder include:

CuSn10 Powder Applications

Industri	Exempel på tillämpningar
Fordon	Bearings, bushings, brake linings
Elektrisk	Welding electrodes, connectors, contacts
Industriell	Bearing cages, seals, impellers
Tillverkning	Sintered tooling components
Olja och gas	Bushings, ball valves

Vissa specifika produktanvändningar:

• Bearing cages requiring antifriction properties
• Bushing and thrust washers in high load applications
• Automotive brake pads and clutch linings
• Electrical connectors and pins
• Welding rods and solder paste filler metal
• Piping components like valves and flanges

Its excellent combination of strength, ductility, and cost make CuSn10 a popular choice for these applications.

CuSn10 Powder Specifications

The main specifications for CuSn10 powder include:

CuSn10 Powder Specifications

Standard	Beskrivning
ISO 44001	Copper and copper alloy powders – Specifications
ASTM B602	Standard specification for copper alloy powders
EN 1982	Specification for copper and copper alloys ingots and castings
JIS H2111	Bronze powders

Dessa definierar:

• Gränsvärden för kemisk sammansättning
• Production method – atomization
• Required physical and mechanical properties
• Acceptabla föroreningsnivåer
• Fördelning av partikelstorlek
• Testing protocols

Compliance ensures suitability for intended applications across global markets.

CuSn10 Powder Particle Sizes

CuSn10 Powder Particle Size Distribution

Partikelstorlek	Egenskaper
5-25 mikrometer	Ultrafin kvalitet för hög densitet och ytfinish
15-45 mikrometer	Common size for pressing and sintering
45-150 mikrometer	Larger sizes for better powder flowability

• Finer particles allow greater densification
• Larger particles improve powder flow properties
• Storleken väljs utifrån de egenskaper som krävs för den slutliga detaljen
• Both spherical and irregular shapes are available

Controlling particle size distribution optimizes pressing characteristics and final sintered density.

CuSn10 Powder Apparent Density

CuSn10 Powder Apparent Density

Skenbar densitet	Detaljer
Upp till 50% av verklig densitet	För pulver med oregelbunden morfologi
4.5-6.5 g/cc	Förbättras med högre packningstäthet

• Högre skenbar densitet förbättrar pulverflödet och kompakteringsförmågan
• Density up to 60% is possible with optimized spherical powder
• High apparent density enables easier compaction into green parts

Högre skenbar densitet leder till bättre tillverkningsproduktivitet och detaljkvalitet.

CuSn10 Powder Production Method

CuSn10 Powder Production

Metod	Detaljer
Atomisering	Melted alloy stream broken into fine droplets which solidify into powder
Induction melting	Pure copper and tin melted together under controlled atmosphere
Inert gas atomization	Prevent oxidation of particles during production
Siktning	Klassificerar pulver i olika partikelstorleksintervall

• Automated atomization enables large scale production
• Controlled melting and atomization minimizes impurities
• Inert gas prevents powder oxidation
• Efterbearbetning möjliggör anpassning av partikelstorlekar

Strict process controls result in reliable powder quality and repeatable characteristics.

CuSn10 Powder Pricing

CuSn10 Powder Pricing

Faktor	Påverkan på priset
Renhetsgrad	Higher purity increases price
Partikelstorlek	Finer powder is more expensive
Orderkvantitet	Bulk pricing discounts apply
Produktionsmetod	Complex processes increase cost
Ytterligare tjänster	Anpassning medför extra kostnader

Indikativ prissättning

• CuSn10 powder: $8-12 per kg
• Lower prices applicable for bulk orders >1000 kg

Pricing varies based on order parameters like quantity, particle size, purity level, alloy composition etc.

CuSn10 Powder Suppliers

CuSn10 Powder Suppliers

Företag	Plats
Kymera International	USA
Hoganas	Sverige
CNPC Powder Group	Kina
Shanghai CNPC Pulvermaterial	Kina
Gujarat Reclaim Industries	Indien
Amerikanska Chemet Corporation	USA

Urvalsfaktorer för leverantörer:

• Powder sizes and lead time
• Customization capability
• Produktionskapacitet
• Förpackningsalternativ
• Pricing levels
• Quality certifications and compliance

CuSn10 Powder Handling and Storage

CuSn10 Powder Handling

Rekommendation	Anledning
Undvik inandning	Potentiell irritation i andningsvägarna
Use protective mask and goggles	Förhindra oavsiktligt intag
Säkerställ tillräcklig ventilation	Minska mängden luftburna partiklar
Undvik antändningskällor	Risk för brännbart damm
Följ antistatiska procedurer	Förhindra brand från statisk urladdning
Använd verktyg som inte slår gnistor	Avoids sparks during handling
Förvara förseglade behållare i svalt, torrt utrymme	Förhindrar oxidation och fuktabsorption

Rekommendationer för lagring

• Store in stable, inert containers
• Keep away from acids, ammonia, acetylene
• Håll temperaturen under 27°C

Proper handling and storage preserves powder purity and prevents reaction hazards.

CuSn10 Powder Inspection and Testing

CuSn10 Powder Testing

Test	Detaljer
Kemisk analys	ICP and XRF to verify composition
Fördelning av partikelstorlek	Sieve analysis or laser diffraction
Skenbar densitet	Hall-flödesmätartest enligt ASTM B212
Morfologi för pulver	SEM-avbildning av partikelform
Tappdensitet	Densitet uppmätt efter mekanisk knackning
Analys av flödeshastighet	Gravitationsflöde genom specificerat munstycke

Stringent testing ensures the powder meets the chemical composition, physical properties, and microstructure required for the application.

CuSn10 Powder Pros and Cons

Advantages of CuSn10 Powder

• Excellent strength for a copper alloy powder
• God duktilitet och formbarhet
• Mycket god korrosionsbeständighet
• Cost-effective compared to bronze grades
• God elektrisk och termisk ledningsförmåga
• Återvinningsbar och miljövänlig

Disadvantages of CuSn10 Powder

• Lower conductivity than pure copper powder
• Moderate high temperature strength
• Heavy compared to aluminum or magnesium alloys
• Not suitable for highly stressed structural components
• Surface discoloration over time if uncoated
• Limitations for food contact applications

Comparison With CuNi10 Powder

CuSn10 vs CuNi10 Powder

Parameter	CuSn10	CuNi10
Täthet	8,8 g/cc	8,9 g/cc
Styrka	350-550 MPa	500-650 MPa
Konduktivitet	55 W/mK	20 W/mK
Korrosionsbeständighet	Utmärkt	Mycket bra
Kostnad	Låg	Hög
Användningsområden	Electrical, moderate load	High strength structures

• CuSn10 provides better conductivity and cost
• CuNi10 has higher tensile strength
• CuSn10 preferred for electrical components
• CuNi10 suited for high strength structural parts

CuSn10 Powder FAQs

Q: What are the main applications of CuSn10 powder?

A: Main applications include bearing cages, bushings, welding rods, brake linings, antifriction components, and electrical contacts, connectors and brushes. It is commonly used in automotive and electrical products.

Q: Does CuSn10 powder require special handling precautions?

A: General precautions are recommended including avoiding inhalation, ensuring proper ventilation, controlling dust, preventing ignition sources, avoiding static charge buildup, using non-sparking tools, and storing in a dry, inert atmosphere.

Q: What affects the properties of CuSn10 powder parts?

A: Key factors are apparent density, particle size distribution, compaction pressure, sintering temperature and time, alloy composition, impurities, and porosity.

Q: What is the key difference between bronze and CuSn10 powders?

A: Bronze powders contain 90-95% copper while CuSn10 has 90% copper, 10% tin. CuSn10 provides an optimal combination of strength, ductility and cost.