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.
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.
Chemical Composition (%)
| Cu | Sn | P | Fe | Pb | Zn |
|---|---|---|---|---|---|
| Remainder | 4.2 – 5.8 | 0.03 – 0.35 | 0.10 max. | 0.05 max. | 0.30 max. |
| Sum of all named elements = 99.5% | |||||
Physical Properties
| English | Metric | |
|---|---|---|
| Melting Point – Liquidus | 1920° F | 1049° C |
| Melting Point – Solidus | 1750° F | 954° C |
| Density | 0.320 lb/in3 at 68° F | 8.86 gm/cm3 @ 20° C |
| Specific Gravity | 8.860 | 8.86 |
| Electrical Resistivity (Annealed) | 69.10 ohms-cmil/ft @ 68°F | 11.49 microhm-cm @ 20° C |
| Electrical Conductivity (Annealed) | 15%IACS @ 68° F | 0.088 MegaSiemens/cm @ 20° C |
| Thermal Conductivity | 40 Btu · ft/(hr · ft2·°F) @ 68° F | 69.2 W/m · °K @20° C |
| Coefficient of Thermal Expansion | 9.90 · 10-6 per °F (68-572° F) | 17.8 ·10-6 per °C (20-300° C) |
| Specific Heat Capacity | 0.090 Btu/lb/°F @ 68° F | 377.1 J/kg · °K @293° K |
| Modulus of Elasticity in Tension | 16,000 ksi | 110,000 MPa |
Physical Properties provided by CDA
Mechanical Properties
| Minimum Tensile Properties, English/Metric | |||
|---|---|---|---|
| Temper HO4 hard | |||
| Nominal Diameter | Tensile Strength | Elongation** | |
| Inches/mm | ksi | MPa | % |
| ¼”– ½” incl./6 – 12 mm. incl. | 70 | 485 | 13 |
| Over ½” to 1” incl./12-25 mm incl. | 60 | 415 | 15 |
| Over 1.00”/25 mm | 55 | 380 | 18 |
| **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
| Soldering | Excellent | Capacity for Being Cold Worked | Excellent |
|---|---|---|---|
| Brazing | Excellent | Capacity for Being Hot Formed | Poor |
| Oxyacetylene Welding | Fair | ||
| Gas Shielded Arc Welding | Good | Annealing Temperature – Minimum | 900° F or 483° C |
| Coated Metal Arc Welding | Fair | Annealing Temperature – Maximum | 1250° F or 677° C |
| Resistance Welding – Spot | Good | ||
| Resistance Welding – Seam | Fair | ||
| Resistance Welding – Butt | Excellent | ||
Fabrication Practices provided by CDA
