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C42500
| Elements | ||||||
|---|---|---|---|---|---|---|
| Cu(1) | Pb | Sn | Zn | Fe | P | |
|
(1) Cu + Sum of Named Elements 99.7% min. |
||||||
| Min (%) | 87.0 | 1.5 | ||||
| Max (%) | 90.0 | 0.05 | 3.0 | Rem | 0.05 | 0.35 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.2% Offset (ksi) |
YS-0.5% Ext (ksi) |
Elongation (%) |
Rockwell B scale | Rockwell F scale | Rockwell 30T scale | Section Size (in) |
|---|---|---|---|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||||||||
| Flat Products | 1/2 Hard | H02 |
63 Typ |
59 Typ |
50 Typ |
20 Typ |
75 Typ |
68 Typ |
0.04 | |
| 1/4 Hard | H01 |
54 Typ |
46 Typ |
45 Typ |
35 Typ |
60 Typ |
56 Typ |
0.04 | ||
| 3/4 Hard | H03 |
68 Typ |
65 Typ |
57 Typ |
15 Typ |
80 Typ |
70 Typ |
0.04 | ||
| Extra Hard | H06 |
82 Typ |
79 Typ |
70 Typ |
7 Typ |
90 Typ |
74 Typ |
0.04 | ||
| Extra Spring | H10 |
92 Typ |
89 Typ |
76 Typ |
2 Typ |
92 Typ |
76 Typ |
0.04 | ||
| Hard | H04 |
76 Typ |
73 Typ |
63 Typ |
9 Typ |
86 Typ |
73 Typ |
0.04 | ||
| Nominal Grain Size 0.015 mm | OS015 |
47 Typ |
19 Typ |
20 Typ |
47 Typ |
79 Typ |
45 Typ |
0.04 | ||
| Nominal Grain Size 0.025 mm | OS025 |
46 Typ |
18 Typ |
18 Typ |
48 Typ |
72 Typ |
36 Typ |
0.04 | ||
| Nominal Grain Size 0.035 mm | OS035 |
45 Typ |
15 Typ |
18 Typ |
49 Typ |
70 Typ |
32 Typ |
0.04 | ||
| Spring | H08 |
89 Typ |
85 Typ |
75 Typ |
4 Typ |
92 Typ |
76 Typ |
0.04 | ||
| (1)To achieve a conductivity of 28% IACS, the maximum phosphorus shall be .05%. | |
| Melting Point - Liquidus°F | 1890 |
|---|---|
| Melting Point - Solidus°F | 1850 |
| Densitylb/cu in. at 68°F | 0.316 |
| Specific Gravity | 8.78 |
| Electrical Conductivity% IACS at 68°F | 28 (1) |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 69 |
| Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) | 10.2 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.09 |
| Technique | Suitability |
|---|---|
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Good |
| Gas Shielded Arc Welding | Good |
| Coated Metal Arc Welding | Not Recommended |
| Spot Weld | Not Recommended |
| 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
- Drawing
- Forming
- Piercing
| Treatment | Minimum* | Maximum* | ||
|---|---|---|---|---|
| * Temperature is measured in Fahrenheit. | ||||
| Annealing | 800 | 1300 | ||
| Hot Working Temperature | 1455 | 1545 | ||
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Building | Weather Stripping | Appearance | Appearance |
| Weather Stripping | Corrosion Resistance | Corrosion Resistance | |
| Weather Stripping | Forming Characteristics | Formability | |
| Weather Stripping | Mechanical Properties | Moderate Strength | |
| Consumer | Pen Clips | Appearance | Appearance |
| Pen Clips | Forming Characteristics | Formability | |
| Pen Clips | Mechanical Properties | Moderate Strength | |
| Electrical | Connectors | Availablity | Availability |
| Connectors | Corrosion Resistance | Corrosion Resistance | |
| Connectors | Corrosion Resistance | Stress Corrosion Cracking Resistance | |
| Connectors | Forming Characteristics | Formability | |
| Connectors | Mechanical Properties | Moderate Strength | |
| Connectors | Solderability | Solderability | |
| Electrical Connectors | Forming Characteristics | Formability | |
| Electrical Connectors | Mechanical Properties | Moderate Strength | |
| Fuse Clips | Corrosion Resistance | Corrosion Resistance | |
| Fuse Clips | Forming Characteristics | Formability | |
| Fuse Clips | Mechanical Properties | Moderate Strength | |
| Switch Springs | Conductivity (Electrical) | Electrical Conductivity | |
| Switch Springs | Conductivity (Thermal) | Thermal Conductivity | |
| Switch Springs | Corrosion Resistance | Corrosion Resistance | |
| Switch Springs | Forming Characteristics | Formability | |
| Switch Springs | Friction & Wear Properties | Wear Resistance | |
| Switch Springs | Mechanical Properties | Fatigue Resistance | |
| Switch Springs | Mechanical Properties | High Strength | |
| Switch Springs | Thermal Properties | Resistance to Stress Relaxation | |
| Switches | Conductivity (Electrical) | Electrical Conductivity | |
| Switches | Conductivity (Thermal) | Thermal Conductivity | |
| Switches | Corrosion Resistance | Corrosion Resistance | |
| Switches | Forming Characteristics | Formability | |
| Switches | Mechanical Properties | Moderate Strength | |
| Terminals | Conductivity (Electrical) | Electrical Conductivity | |
| Terminals | Conductivity (Thermal) | Thermal Conductivity | |
| Terminals | Corrosion Resistance | Corrosion Resistance | |
| Terminals | Forming Characteristics | Formability | |
| Terminals | Mechanical Properties | Moderate Strength | |
| Industrial | Bushings | Corrosion Resistance | Corrosion Resistance |
| Bushings | Forming Characteristics | Formability | |
| Bushings | Mechanical Properties | High Strength | |
| Contact Springs | Conductivity (Electrical) | Electrical Conductivity | |
| Contact Springs | Corrosion Resistance | Corrosion Resistance | |
| Contact Springs | Forming Characteristics | Formability | |
| Contact Springs | Friction & Wear Properties | Wear Resistance | |
| Contact Springs | Mechanical Properties | Fatigue Resistance |
| 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 | ||
| ASTM | B888/B88M | COPPER ALLOY STRIP FOR USE IN MANUFACTURE OF ELECTRICAL CONNECTORS OR SPRING CONTACTS |
Corrosion Properties
No Corrosion Properties Available.