C19140 Low Leaded Nickel Copper
The C19140 Leaded Nickel Copper is the heat treatable alloy which is specifically be used for cold heading and automatic screw machine applications.
Typical Uses:
Electrical : Contacts, Sockets, Connector Pins
Density : 0.320 lb/in3 at 68 F
Specifications
Chemical Composition:
| Cu (1) | Fe | Pb | Ni | P | Sn | Zn | |
| Min/Max | Rem. | 0.05 | .40 – .8 | .8 – 1.2 | .15 – .35 | 0.05 | 0.5 |
| Nominals | 98.2 | – | 0.6 | 1 | 0.2 | – | – |
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 | 75 |
| Oxyacetylene Welding | Not Recommended |
| Seam Weld | Not Recommended |
| Soldering | Excellent |
| Spot Weld | Not Recommended |
Physical Properties:
| Melting Point – Liquidus | 1980 F | 1082 C |
| Melting Point – Solidus | 1900 F | 1038 C |
| Density | 0.320 lb/in³ at 68 F | 8.88 gm/cm³ @ 20 C |
| Specific Gravity | 8.88 | 8.88 |
| Electrical Conductivity | 55 %IACS @ 68 F | 0.318 MegaSiemens/cm @ 20 C |
| Thermal Conductivity | 146 Btu ?? ft/(hr ?? ft2??oF)at 68F | 253.0 W/m ?? oK at 20 C |
| Modulas of Elasticity in Tension | 18000 ksi | 124100 MPa |
| Modulus of Rigidity | 6000 ksi | 12410 MPa |
Sizes Available:
| HOLLOW RODS | Min Bore Size 20 mm and Max OD 100 mm |
| ROUND RODS | 8mm To 100 mm |
| HEX | 10mm To 60mm |
| SQUARE | 10mm To 60mm |
| FLAT | 10mm Min Thickness and max Width 120mm |
| BILLETS | Up to 200 mm |
| INGOTS | As per Specification |
Product Details :
| Brand | Shree Extrusion |
| Size | 1/4”-1”, 1”-2”, 2”-3”, 10”-20”, 3”-10” |
| Length | 0-2 meters, 4-6 meters, 6-8 meters, 2-4 meters |
