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Home » Products » C87850 Copper Silicon » C87850 Standard Thrust Washer

C87850 Standard Thrust Washer

C 510 Phosphor Bronze – Grade A is a Morgan standard alloy and finds use in electrical applications, as well as fasteners and industrial applications. Uses include various electrical connectors, fasteners, cotter pins and lock washers, sleeve bushings, welding rod, springs, perforated sheets and clutch disks.

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SKU: C87850 Standard Thrust Washer Category: C87850 Copper Silicon
  • Specifications
  • Chemical
  • Physical
  • Mechanical
  • Fabrication

Equivalent Specifications

ASTM B139/ B139M
Copper Alloy UNS 51000

Reference Specifications

SAE J461; SAE J463
AMS 4625

Equivalent specifications are verified and updated annually.
Specifications shown are current as of May 4, 2010.

Chemical Composition (%)

CuSnPFePbZn
Remainder4.2 – 5.80.03 – 0.350.10 max.0.05 max.0.30 max.
Sum of all named elements = 99.5%

Physical Properties

EnglishMetric
Melting Point – Liquidus1920° F1049° C
Melting Point – Solidus1750° F954° C
Density0.320 lb/in3 at 68° F8.86 gm/cm3 @ 20° C
Specific Gravity8.8608.86
Electrical Resistivity (Annealed)69.10 ohms-cmil/ft @ 68°F11.49 microhm-cm @ 20° C
Electrical Conductivity (Annealed)15%IACS @ 68° F0.088 MegaSiemens/cm @ 20° C
Thermal Conductivity40 Btu · ft/(hr · ft2·°F) @ 68° F69.2 W/m · °K @20° C
Coefficient of Thermal Expansion9.90 · 10-6 per °F (68-572° F)17.8 ·10-6 per °C (20-300° C)
Specific Heat Capacity0.090 Btu/lb/°F @ 68° F377.1 J/kg · °K @293° K
Modulus of Elasticity in Tension16,000 ksi110,000 MPa

Physical Properties provided by CDA

Mechanical Properties

Minimum Tensile Properties, English/Metric
Temper HO4 hard
Nominal DiameterTensile StrengthElongation**
Inches/mmksiMPa%
¼”– ½” incl./6 – 12 mm. incl.7048513
Over ½” to 1” incl./12-25 mm incl.6041515
Over 1.00”/25 mm5538018
**Elongation in 4D
Chemical Composition and Mechanical Properties shown pertain to ASTM B139/B139 M only.

Machinability Rating 20 (Free Cutting Brass = 100)

Fabrication Practices

SolderingExcellentCapacity for Being Cold WorkedExcellent
BrazingExcellentCapacity for Being
Hot Formed
Poor
Oxyacetylene WeldingFair
Gas Shielded Arc WeldingGoodAnnealing Temperature – Minimum900° F or 483° C
Coated Metal Arc WeldingFairAnnealing Temperature – Maximum1250° F or 677° C
Resistance Welding – SpotGood
Resistance Welding – SeamFair
Resistance Welding – ButtExcellent

Fabrication Practices provided by CDA

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