C31600 Nickel Leaded Commercial Bronze (CDA 316)
CDA 316, ASTM B140
Nickel Bearing C31600 is composed of approximately 89% copper, 8% zinc, and 2% lead, but also contains 1% nickel. This alloy combines the natural corrosion resistance and machinability of C31400 with a higher tensile and yield strength resulting from the controlled addition of nickel. The relatively low zinc content provides excellent corrosion resistance in potable water along with a pleasing golden color that matches C22000 hardware. It also possesses a particular resistance to stress corrosion cracking. It is an alloy suitable for outdoor use where higher strength is required.
Profile
| SOLID BAR | 3/16" - 3 1/2" diameter |
| HEX BAR | 3/8" - 2" across flats |
Typical Uses for C31600 Nickel Leaded Commercial Bronze
- Builders Hardware: Hardware
- Electrical: Connectors
- Fasteners: Fasteners, Nuts, Screws
- Industrial: Screw Machine Parts
Product Specifications
| End Product | Specification |
| Bar | ASTM B140 |
| Rod | ASTM B140 |
| Shapes | ASTM B140 |
| Valves | MILITARY MIL-V-18436 |
Chemical Composition
| Cu | Fe | Pb | Ni | P | Zn | |
| Min/Max | 87.5 - 90.5 | 0.1 | 1.3 - 2.5 | 0.7 - 1.2 | 0.04 - 0.1 | Rem |
| Nominals | 89.0000 | - | 1.9000 | 1.0000 | 0.7000 | 8.1000 |
Temper
| Product Type | Temper Type |
| Bar | ASTM B140 |
| Rod | ASTM B140 |
| Shapes | ASTM B140 |
| Valves | MILITARY MIL-V-18436 |
Mechanical Properties
| Temper | Sect. Size | Cold Work | Type Min | Temp | Tensile Strength | YS 0.05% UL | YS 0.02% Offset | YS 0.005% Offset | Elong. | RH B | RH C | RH F | RH 30T | VH 500 | BH 500 | BH 3000 | Shear Strgth | Fatigue Strgth | Izod Impact Strgth |
| - | in. | % | - | F | ksi | ksi | ksi | ksi | % | B | C | F | 30T | 500 | 500 | 3000 | ksi | ksi | ft-lb |
| - | mm. | - | - | C | MPa | MPa | MPa | MPa | - | - | - | - | - | - | - | - | MPa | MPa | J |
| BAR | |||||||||||||||||||
| H04 | 0.25 | 68 | 63 | 56 | - | - | - | - | - | - | - | - | - | - | - | - | |||
| H04 | 6.35 | 0 | TYP | 20 | 434 | 386 | - | - | 12 | 70 | - | - | - | - | - | - | - | - | 0 |
| ROD | |||||||||||||||||||
| H04 | 1 | 68 | 65 | 57 | - | - | - | - | - | - | - | - | - | - | 39 | - | |||
| H04 | 25.4 | 38 | TYP | 20 | 448 | 393 | - | - | 15 | 70 | - | - | - | - | - | - | 269 | - | 0 |
| H04 | 0.5 | 68 | 67 | 59 | - | - | - | - | - | - | - | - | - | - | 40 | - | |||
| H04 | 12.7 | 38 | TYP | 20 | 462 | 407 | - | - | 13 | 72 | - | - | - | - | - | - | 276 | - | 0 |
| OS050 | 1 | 68 | 37 | 12 | - | - | - | - | - | - | - | - | - | - | 24 | - | |||
| OS050 | 25.4 | 0 | TYP | 20 | 255 | 83 | - | - | 45 | - | - | 55 | - | - | - | - | 165 | - | 0 |
Physical Properties
| Product Property | US Customary | Metric |
| Coefficient of Thermal Expansion | 10.2 · 10-6 per oF (68-572 F) | 18.4 · 10-6 per oC (20-300 C) |
| Density | 0.32 lb/in3 @ 68 F | 8.86 gm/cm3 @ 20 C |
| Electrical Conductivity | 32 %IACS @ 68 F | 0.187 MegaSiemens/cm @ 20 C |
| Electrical Resistivity | 32.4 ohms-cmil/ft @ 68 F | 5.39 microhm-cm @ 20 C |
| Melting Point Liquid US | 1900 F | 1038 C |
| Melting Point Solid US | 1850 F | 1010 C |
| Modulas of Elasticity in Tension | 17000 ksi | 117000 MPa |
| Specific Gravity | 8.86 | 8.86 |
| Specific Heat Capacity | 0.09 Btu/lb/oF @ 68 F | 377.1 J/kg · oK at 293 K |
| Thermal Conductivity | 81.0 Btu · ft/(hr · ft2 · oF) @ 68 F | 140.2 W/m · oK at 20 C |
Fabrication
| Joining Technique | Suitability |
| Brazing | Good |
| Butt Weld | Fair |
| Capacity for Being Cold Worked | Good |
| Capacity for Being Hot Formed | Poor |
| Coated Metal Arc Welding | Not Recommended |
| Gas Sheilded Arc Welding | Not Recommended |
| Machinability rating | 80 |
| Oxyacetylene Welding | Not Recommended |
| Seam Weld | Not Recommended |
| Soldering | Excellent |
| Spot Weld | Not Recommended |
Our Services
Aviva Metals Houston warehouse operation is a AS9120B, and AS9100D in our Ohio foundry, based on ISO 9001:2015. We are now also offering our complete range of brass, bronze and copper alloys in precision machined or milled parts, in full accordance with your drawings. Aviva Metals creates custom precision bearings and bushings, flanges, washers, double flange bearings, full half bearings, spacers and special machined parts that can be shipped on a global basis and in full accordance with most international standards.
