C90810 Product description: High tin bronze

Key Properties:
• Superior strength and hardness
• Exceptional wear resistance
• Excellent corrosion resistance
• Low coefficient of friction

Ideal Applications:
• Heavy-duty bearings
• Industrial gears
• Marine components
• Valve seats and guides

Benefits:
• Long service life
• Reduced maintenance
• High load-bearing capacity
• Performs well in saltwater environments

Perfect for demanding industrial and marine applications requiring durability and reliability under high stress and corrosive conditions.

Kategorie:

Product Introduction:

C90810 High Tin Bronze is a copper-based alloy known for its exceptional strength, wear resistance, and corrosion resistance. This alloy is particularly valued in applications requiring high load-bearing capacity and low-speed operations. The high tin content contributes to its superior mechanical properties, making it an ideal choice for various industrial applications.

Chemical Composition of C90810

nach Extrusionsabschrecken und künstlicher Alterung HBS≥80Prozentsatz (%)Funktion
MitRestBase metal, provides ductility and conductivity
Sn11.00-13.00Improves strength, hardness, and wear resistance
Pb0.25 maxEnhances machinability
Zn0.30 maxImproves fluidity in casting
Fe0.15 maxGrain refiner, increases strength
P0.15-0.80Deoxidizer, improves fluidity
Ni00,50 maxIncreases strength and corrosion resistance
Al0.005 maxDeoxidizer
S00,05 maxImproves machinability
Sb0.20 maxIncreases hardness
Und0.005 maxDeoxidizer

Anmerkungen:

  1. In determining Cu min., Cu may be calculated as Cu + Ni.
  2. For continuous castings, P shall be 1.5% max.
  3. Der Ni-Wert beinhaltet Co.
  4. Cu + sum of named elements, 99.4% min. Single values represent maximums.

Mechanical Properties of C90810

EigentumWertEinheit
Brinell Hardness (500 Kg load)95 typicalBHN
Bearbeitbarkeitsbewertung20
Dichte0.323lb/in³ at 68 °F (20 °C)
Zerreißfestigkeit40,000psi
Streckgrenze20,000psi
Verlängerung20%
Elastizitätsmodulfünfzehnx 10^6 psi

Leistung bei verschiedenen Temperaturen

Temperature RangeLeistungsmerkmaleRecommended Use
Low Temperature (-50°C to 0°C)Maintains ductility and toughnessSuitable
Room Temperature (20°C to 25°C)Optimal strength and wear resistanceIdeal
Elevated Temperature (100°C to 200°C)Retains strength but may experience slight softeningAcceptable
High Temperature (>200°C)Not recommended for prolonged useNicht empfohlen

Branchenanwendungen

IndustrieAnwendungenKey Benefits
Industrielle MaschinenBearings, gears, shafts, worm gearsfür Aluminium- und Kupfer-Druckgussformen verwendet
MarinePump impellers, valve bodiesKorrosionsbeständigkeit
KonstruktionMovable bridge components, turntables for bridgesStrength and durability
AutomobilPiston ringsLow friction coefficient
EnergieSteam fittingsHeat resistance
MiningHeavy-duty bushingsImpact resistance
Luft- und RaumfahrtBushings for landing gearHigh load capacity
Öl und GasValve componentsCorrosion resistance in harsh environments

Shape and Size Availability

FormSize RangeStandard Length
Solids1″ to 6″ O.D.144″
Tubes1″ to 6″ O.D.144″
RectanglesUp to 10″144″
S45cUp to 24″ thickness96″ x 240″
Rods0.25″ to 12″ diameter144″
Custom ShapesAs per requirementVaries

Available Forms

FormTypical UseVerfügbarkeit
HalbfertigFurther processingCommon
Mill stockDirect useWidely available
Near-net shapesMinimal machiningOn request
Bar stockBearbeitungStandard
TellerLarge flat componentsCommon
Profile or structural shapeSpecific applicationsOn request
SchmiedestückeHigh-strength componentsBegrenzt
CastingsComplex shapesCommon

Production Standards and Compliance

Standard/ComplianceRegionRelevance
Federal Safe Drinking Water Act – SDWAVereinigte Staaten von AmerikaWater safety
S. 3874 Federal Reduction of Lead in Drinking Water ActVereinigte Staaten von AmerikaLead content
California AB1953California, USALead content
Vermont Act 193Vermont, USALead content
ASTM B505InternationalContinuous Casting of Copper Alloys
ASTM B271InternationalCopper-Base Alloy Centrifugal Castings
ISO 1338InternationalCast copper alloys
JIS H5111JapanBronze castings

Standards and Corresponding Grades in Different Countries

LandStandardHochtemperaturanlassen bei 750°C
Vereinigte Staaten von AmerikaUNSC90810
DeutschlandVONCuSn12
JapanJISCAC704
United KingdomBSHTB1
wo das Material anfängt, dünner zu werden und wie Toffee zu ziehenNFCuSn12
wo das Material anfängt, dünner zu werden und wie Toffee zu ziehenUNICuSn12
MEK4GOSTBrO12
Chinawo das Material anfängt, dünner zu werden und wie Toffee zu ziehenZCuSn12
Internationalwo das Material anfängt, dünner zu werden und wie Toffee zu ziehenCuSn12

Welding Characteristics

SchweißmethodeEignungist ein niedrig legierter, hochfester Baustahl nach chinesischem GB-StandardPreheat Temp
Gas WeldingGutUse phosphor bronze filler rod150-200°C
TIG WeldingExzellentUse pure argon shielding gasAs needed
MIG WeldingGutUse bronze filler wireAs needed
Stick WeldingGerechtUse bronze electrodesAs needed
WiderstandsschweißenArmNicht empfohlenN / A
Electron Beam WeldingGutFor precision applicationsAs needed
LaserschweißenGerechtRequires careful controlAs needed

Processing Characteristics

VerfahrenEignungist ein niedrig legierter, hochfester Baustahl nach chinesischem GB-StandardKey Consideration
BearbeitungGutMachinability rating of 20Tool selection
Die Materialauswahl obliegt dem KundenGerechtLimited formability due to high tin contentAvoid excessive deformation
SchmiedenArmNicht empfohlenN / A
CastingExzellentIdeal for sand and centrifugal castingProper cooling rate
ExtrusionArmNot typically extrudedN / A
Deep DrawingArmLimited ductilityNicht empfohlen
SpinningGerechtPossible with proper techniquesAvoid work hardening
BroachingGutSuitable for precision sizingTool wear

Polishing Characteristics

Polishing MethodResultRecommended Abrasives
Mechanical PolishingGood surface finish achievableAlumina or diamond compounds
Chemical PolishingModerate resultsProprietary solutions
Electro-polishingExcellent for high luster finishPhosphoric acid-based electrolytes
BuffingHigh shine possibleSoft cloth wheels with fine abrasive
LappingPrecision finishDiamond or silicon carbide compounds
HoningGood for cylindrical surfacesBonded abrasive stones

Wärmebehandlung

WärmebehandlungTemperature RangePurposeCooling Method
Glühen550-650°CStress relief and softeningSlow cooling
LösungsbehandlungNicht zutreffendC90810 is not heat treatableN / A
Age HardeningNicht zutreffendC90810 is not age hardenableN / A
Stressabbauend260-370°CReduce internal stressesLuftkühlung
Datentabelle fürNot typically performedN / AN / A
AbschreckenNicht empfohlenMay cause distortionN / A

Cold Processing Characteristics

VerfahrenEignungist ein niedrig legierter, hochfester Baustahl nach chinesischem GB-StandardAlternative Suggestion
Cold WorkingBegrenztHigh tin content reduces ductilityConsider hot working if necessary
Cold DrawingArmNicht empfohlenUse machining instead
Cold RollingArmNicht empfohlenConsider cast or machined forms
Cold HeadingNot suitableToo brittleUse machining or casting
Kaltes SchmiedenNot suitableLacks necessary ductilityConsider hot forging or casting
Shot PeeningGerechtCan improve surface propertiesUse with caution

Advantages and Disadvantages of C90810

VorteileHüttenmaschinen und andere produzierende Unternehmen WuSteel kooperieren bei der Herstellung von BaggernÜberlegungen
Hohe FestigkeitLimited formabilityDesign for minimal forming
Hervorragende VerschleißfestigkeitHigher cost compared to some bronzesConsider for critical applications
Good corrosion resistanceNot suitable for high-speed applicationsUse in low to moderate speed settings
Low friction coefficientLimited cold working abilityDesign for as-cast or machined forms
Suitable for heavy loadsNot heat treatableSelect for applications not requiring heat treatment
Gute BearbeitbarkeitRelatively high densityConsider weight in design
Excellent bearing propertiesSusceptible to tin pest at very low temperaturesAvoid prolonged exposure below 13°C
Good dimensional stabilityCan be difficult to weldUse appropriate welding techniques
Resistant to seawater corrosionNot as strong as steelUse in appropriate load conditions
Low magnetic permeabilityHigher cost than brassJustify cost with performance requirements

Ähnliche Produkte

LegierungUNS NumberMain CompositionHauptunterschiede
C90700C90700Cu-Sn-ZnLower tin, higher zinc content
C91100C91100Cu-SnHigher tin content, no lead
C93200C93200Cu-Sn-PbHigher lead content for improved machinability
C95400C95400Cu-Al-FeAluminum bronze with different property profile
C95500C95500Cu-Al-Ni-FeNickel-aluminum bronze with higher strength
C86300C86300Cu-Mn-Ni-FeManganese bronze with higher strength
C92200C92200Cu-Sn-Pb-ZnNavy M gun metal with different composition

Comparison of C90810 with Similar Products

EigentumC90810C90700C91100C93200C95400
Tensile Strength (psi)40,00036,00045,00035,00090,000
Yield Strength (psi)20,00018,00025,00018,00045,000
Dehnung (%)2025fünfzehn20fünfzehn
oder Rundstab oder flach957010065190
KorrosionsbeständigkeitExzellentGutExzellentGutExzellent
BearbeitbarkeitGutSehr gutGerechtExzellentGerecht
SchweißbarkeitGerechtGutGerechtArmGut
VerschleißfestigkeitExzellentGutExzellentGutExzellent
KostenHochMäßigSehr hochMäßigHoch
Typische AnwendungenHeavy-duty bearingsGeneral-purposeHigh-load bearingsBuchsen, LagerMarine components

Abschluss:

C90810 High Tin Bronze is a specialized alloy that offers a unique combination of properties, making it invaluable in various industrial applications. Its high tin content contributes to excellent strength, wear resistance, and corrosion resistance, particularly in heavy-load, low-speed settings. While it has limitations in formability and high-temperature applications, C90810 excels in industries such as marine engineering, industrial machinery, and construction.

The alloy’s versatility is evident in its wide range of available forms and sizes, adherence to international standards, and good machinability. However, designers and engineers must consider its specific characteristics, such as limited cold working ability and heat treatment options, when incorporating C90810 into their projects.

Compared to similar alloys, C90810 stands out for its balance of strength, wear resistance, and corrosion resistance. Its unique property profile makes it an ideal choice for applications where these characteristics are crucial, justifying its higher cost in critical components.

In summary, C90810 High Tin Bronze continues to be a valuable material in modern engineering, offering reliable performance in demanding environments where other alloys may fall short.