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C43400
Elements | |||||
---|---|---|---|---|---|
Cu(1) | Pb | Sn | Zn | Fe | |
(1) Cu + Sum of Named Elements 99.7% min. |
|||||
Min (%) | 84.0 | 0.40 | |||
Max (%) | 87.0 | 0.05 | 1.0 | Rem | 0.05 |
Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.5% Ext (ksi) |
Elongation (%) |
Rockwell B scale | Rockwell F scale | Rockwell 30T scale | Shear Strength (ksi) |
Torsion Modulus (ksi) |
Ultimate Tensile Strength in Shear (ksi) |
Section Size (in) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
* Measured at room temperature, 68°F (20°C). | ||||||||||||
Flat Products | 1/2 Hard | H02 |
59 Typ |
51 Typ |
18 Typ |
66 Typ |
63 Typ |
42 Typ |
0.04 | |||
1/4 Hard | H01 |
52 Typ |
41 Typ |
28 Typ |
54 Typ |
55 Typ |
40 Typ |
0.04 | ||||
3/4 Hard | H03 |
68 Typ |
59 Typ |
10 Typ |
73 Typ |
68 Typ |
45 Typ |
0.04 | ||||
Extra Hard | H06 |
84 Typ |
71 Typ |
5 Typ |
83 Typ |
74 Typ |
52 Typ |
0.04 | ||||
Extra Spring | H10 |
88 Min |
75 Typ |
3 Typ |
84 Min |
74 Min |
56 Typ |
0.04 | ||||
Hard | H04 |
74 Typ |
67 Typ |
7 Typ |
80 Typ |
71 Typ |
49 Typ |
0.04 | ||||
Nominal Grain Size 0.015 mm | OS015 |
48 Typ |
17 Typ |
47 Typ |
70 Typ |
30 Typ |
37 Typ |
0.04 | ||||
Nominal Grain Size 0.025 mm | OS025 |
46 Typ |
16 Typ |
48 Typ |
65 Typ |
26 Typ |
37 Typ |
0.04 | ||||
Nominal Grain Size 0.035 mm | OS035 |
45 Typ |
15 Typ |
49 Typ |
64 Typ |
22 Typ |
36 Typ |
0.04 | ||||
Spring | H08 |
90 Typ |
74 Typ |
4 Typ |
86 Typ |
76 Typ |
5.8 Typ | 54 Typ |
0.04 |
(1)For annealed alloys. | |
Melting Point - Liquidus°F | 1870 |
---|---|
Melting Point - Solidus°F | 1810 |
Densitylb/cu in. at 68°F | 0.316 |
Specific Gravity | 8.75 |
Electrical Conductivity% IACS at 68°F | 31 |
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 79 |
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 10.5 |
Specific Heat CapacityBtu/ lb /°F at 68°F | 0.09 |
Modulus of Elasticity in Tensionksi | 18000 (1) |
Modulus of Rigidityksi | 6000 |
Technique | Suitability |
---|---|
Soldering | Excellent |
Brazing | Excellent |
Oxyacetylene Welding | Good |
Gas Shielded Arc Welding | Good |
Spot Weld | Good |
Seam Weld | Not Recommended |
Butt Weld | Good |
Capacity for Being Cold Worked | Excellent |
Capacity for Being Hot Formed | Fair |
Machinability Rating | 30 |
Common Fabrication Processes
- Blanking
- Bonding
- Drawing
- Shearing
- Stamping
Treatment | Minimum* | Maximum* | ||
---|---|---|---|---|
* Temperature is measured in Fahrenheit. | ||||
Annealing | 800 | 1250 | ||
Hot Working Temperature | 1500 | 1600 |
Product Category | Product | Reason Category | Reason |
---|---|---|---|
Electrical | Blades | Conductivity (Electrical) | Electrical Conductivity |
Blades | Conductivity (Thermal) | Thermal Conductivity | |
Blades | Corrosion Resistance | Corrosion Resistance | |
Blades | Mechanical Properties | Moderate Strength | |
Contacts | Conductivity (Electrical) | Electrical Conductivity | |
Contacts | Conductivity (Thermal) | Thermal Conductivity | |
Contacts | Corrosion Resistance | Corrosion Resistance | |
Electrical Connectors | Conductivity (Electrical) | Electrical Conductivity | |
Electrical Connectors | Mechanical Properties | Moderate Strength | |
Relay Springs | Conductivity (Electrical) | Electrical Conductivity | |
Relay Springs | Conductivity (Thermal) | Thermal Conductivity | |
Relay Springs | Corrosion Resistance | Corrosion Resistance | |
Relay Springs | Mechanical Properties | Ductility | |
Relay Springs | Mechanical Properties | Moderate Strength | |
Relay Springs | Thermal Properties | Resistance to Stress Relaxation | |
Switch Parts | Conductivity (Electrical) | Electrical Conductivity | |
Switch Parts | Conductivity (Thermal) | Thermal Conductivity | |
Switch Parts | Corrosion Resistance | Corrosion Resistance | |
Switch Parts | Mechanical Properties | Moderate Strength |
Form | Specific Sub-Form | Application | System | Standard | Description |
---|---|---|---|---|---|
Bar | ASTM | B591 | COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR | ||
Plate | ASTM | B591 | COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR | ||
Sheet | ASTM | B591 | COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR | ||
Strip | ASTM | B591 | COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR |
Corrosion Properties