CuZn39Sn1
ASTM B21; SAE J461, SAE J463; AMS 4611, AMS 4612
- General Engineering
- Marine
- Industrial
- Electricity
- Defence
- Plumbing
Typical Uses
Builders Hardware
Lock Pins, Electrical, Precision Shipboard Equipment, Fasteners, Rivets, Bolts, Nuts, Industrial, Welding Rod, Condenser Plates, Structural Uses, Valve Stems, Balls, Heat Exchanger Tube, Aircraft Turn buckle Barrels, Bearings, Dies, Golf Ball Production, Pressure Vessels, Bearings, Bushings, Hub Cones
Marine
Propeller Shafts, Marine Hardware, ecorative Fittings, Shafting, Propeller Shafts, Turn buckles
Ordnance
Missile Components
Plumbing
Fittings
Other
Baffle Plates and Flanges
C46400
Chemical Composition
(%max, unless shown as range or min)
| Cu | Fe | Pb | Sn | Zn |
| Min/Max | 59.0-62.0 | 0.1 | 0.2 | 0.5-1.0 | Rem |
Note: Cu + Sum of Named Elements, 99.6% min.
Applicable Specifications
* Rod, Bar – ASTM B21; SAE J461, SAE J463; AMS 4611, AMS 4612
Fabrication Processes
* Blanking, Drawing, Forming and Bending, Heading and Upsetting, Hot Forging and Pressing, Hot Heading and Upsetting, Shearing
Fabrication Properties
| Joining Technique | Suitability |
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Good |
| Gas Shielded Arc Welding | Fair |
| Coated Metal Arc Welding | Not Recommended |
| Spot Weld | Good |
| Seam Weld | Fair |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Fair |
| Capacity for Being Hot Formed | Excellent |
| Forgeability Rating | 90 |
| Machinability Rating | 30 |
Standard Temper Designation:
* H02 – Half Hard
Mechanical Properties (ASTM B21)
Diameter or Distance Between
Parallel Surfaces, in. | Tensile Strength, min | Yield Strength, at 0.5% Extension Under Load, min | Elongation in 4x diameter
or 4x thickness, min, % | Rockwell B Hardness |
| ksi | MPa | ksi | MPa |
| 0.5 and under | 60 | 415 | 27 | 185 | 22 | – |
| over 0.5 to 1.0, incl. | 60 | 415 | 27 | 185 | 25 | – |
| over 1.0 to 2.0, incl. | 58 | 400 | 26 | 180 | 25 | – |
| over 2.0 to 3.0, incl. | 54 | 370 | 25 | 170 | 25 | – |
| over 3.0 to 4.0, incl. | 54 | 370 | 22 | 150 | 27 | – |
| over 4.0 | 54 | 370 | 22 | 150 | 30 | – |
Physical Properties
| US Customary | Metric |
| Melting Point – Liquidus | 1650 F | 900 C |
| Melting Point – Solidus | 1630 F | 885 C |
| Density | 0.304 lb/in3 at 68 F | 8.41 gm/cm3 at 20 C |
| Specific Gravity | 8.41 | 8.41 |
| Electrical Resistivity | 39.9 ohms-cmil/ft at 68 F | 6.63 microhm-cm at 20 C |
| Electrical Conductivity | 26 %IACS at 68 F | 0.152 MegaSiemens/cm at 20 C |
| Thermal Conductivity | 67.0 Btu · ft/(hr · ft2·°F) at 68 F | 116.0 W/m ·°K at 20 C |
| Coefficient of Thermal Expansion | 11.8·10-6 per °F (68-572 F) | 21.2·10-6 per °C (20-300 C) |
| Specific Heat Capacity | 0.09 Btu/lb/°F at 68 F | 380 J/kg · °K at 20 C |
| Modulus of Elasticity in Tension | 15000 ksi | 103400 Mpa |
| Modulus of Rigidity | 5600 ksi | 38610 Mpa |
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