CuZn40Pb2
ASTM B124
- Architecture
- General Engineering
- Electricity
- Consumer Products
Typical Uses
Forging and pressing of all kinds
Builders Hardware
Door Handles, Decorative Knobs, Furniture Hardware
Building
Valve Bodies for Refrigeration, Chemicals
Consumer
Golf Putters, Valve Bodies for Scuba & Propane Spray Tanks, Valve Bodies for Agricultural Spray Tanks
Electrical
Covers, Fuse Bodies
Industrial
Valve Components, Forgings and Pressings of All Kinds
C37700
Chemical Composition
(%max, unless shown as range or min)
|
Cu |
Fe |
Pb |
Zn |
Min/Max |
58.0-61.0 |
0.3 |
1.5-2.5 |
Rem |
Note: Cu + Sum of Named Elements, 99.5% min.
Applicable Specifications
* Bar, Rod, Forging – ASTM B124
Fabrication Processes
* Hot Forging and Pressing
* Hot Heading and Upsetting
* Machining
Fabrication Properties
Joining Technique |
Suitability |
Soldering |
Excellent |
Brazing |
Good |
Oxyacetylene Welding |
Not Recommended |
Gas Shielded Arc Welding |
Not Recommended |
Coated Metal Arc Welding |
Not Recommended |
Spot Weld |
Not Recommended |
Seam Weld |
Not Recommended |
Butt Weld |
Fair |
Capacity for Being Cold Worked |
Poor |
Capacity for Being Hot Formed |
Excellent |
Forgeability Rating |
100 |
Machinability Rating |
80 |
Physical Properties
|
US Customary |
Metric |
Melting Point – Liquidus |
1640 F |
893 C |
Melting Point – Solidus |
1620 F |
882 C |
Density |
0.305 lb/in3 at 68 F |
8.44 gm/cm3 at 20 C |
Specific Gravity |
8.44 |
8.44 |
Electrical Resistivity |
38.4 ohms-cmil/ft at 68 F |
6.38 microhm-cm at 20 C |
Electrical Conductivity |
27 %IACS at 68 F |
0.158 MegaSiemens/cm at 20 C |
Thermal Conductivity |
69.0 Btu · ft/(hr · ft2·°F) at 68 F |
119.4 W/m ·°K at 20 C |
Coefficient of Thermal Expansion |
11.5·10-6 per °F (68-572 F) |
20.7·10-6 per °C (20-300 C) |
Specific Heat Capacity |
0.09 Btu/lb/°F at 68 F |
377.1 J/kg · °K at 20 C |
Modulus of Elasticity in Tension |
15000 ksi |
103400 MPa |
Modulus of Rigidity |
5600 ksi |
38610 MPa |