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
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 |
