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C12900
| Elements | ||||||||
|---|---|---|---|---|---|---|---|---|
| Cu(1) | Pb | Ni | Ag(2) | As | Bi | Sb | Te(3) | |
|
(1) Cu value includes Ag. (2) Ag 0.054% min is the equivelant of, Ag 16 Troy Oz min. (3) Includes Te + Se. |
||||||||
| Min (%) | 99.88 | |||||||
| Max (%) | 0.004 | 0.050 | 0.054 | 0.012 | 0.003 | 0.003 | 0.025 | |
| 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 | Shear Strength (ksi) |
Fatigue Strength** (ksi) |
Section Size (in) |
Cold Work (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106. | |||||||||||||
| Flat Products | 1/2 Hard | H02 |
42 Typ |
39 Typ |
36 Typ |
14 Typ |
40 Typ |
84 Typ |
50 Typ |
26 Typ |
0.04 | ||
| 1/8 Hard | H00 |
36 Typ |
34 Typ |
28 Typ |
30 Typ |
10 Typ |
60 Typ |
25 Typ |
25 Typ |
0.04 | |||
| As Hot Rolled | M20 |
34 Typ |
10 Typ |
45 Typ |
45 Typ |
23 Typ |
0.04 | ||||||
| Extra Spring | H10 |
57 Typ |
54 Typ |
53 Typ |
4 Typ |
62 Typ |
95 Typ |
64 Typ |
29 Typ |
0.04 | |||
| Hard | H04 |
50 Typ |
48 Typ |
45 Typ |
6 Typ |
50 Typ |
90 Typ |
57 Typ |
28 Typ |
0.04 | |||
| Nominal Grain Size 0.025 mm | OS025 |
34 Typ |
11 Typ |
45 Typ |
45 Typ |
23 Typ |
11 Typ | 0.04 | |||||
| Spring | H08 |
55 Typ |
52 Typ |
50 Typ |
4 Typ |
60 Typ |
94 Typ |
63 Typ |
29 Typ |
0.04 | |||
| Rod | As Hot Rolled | M20 |
32 Typ |
10 Typ |
55 Typ |
40 Typ |
22 Typ |
1 | |||||
| Hard | H04 |
48 Typ |
44 Typ |
16 Typ |
47 Typ |
87 Typ |
27 Typ |
1 | 35 | ||||
| Nominal Grain Size 0.050 mm | OS050 |
32 Typ |
10 Typ |
55 Typ |
40 Typ |
22 Typ |
1 | ||||||
| Shapes | As Hot Extruded | M30 |
32 Typ |
10 Typ |
50 Typ |
40 Typ |
22 Typ |
0.5 | |||||
| As Hot Rolled | M20 |
32 Typ |
10 Typ |
50 Typ |
40 Typ |
22 Typ |
0.5 | ||||||
| Hard | H04 |
40 Typ |
32 Typ |
30 Typ |
35 Typ |
26 Typ |
0.5 | 15 | |||||
| Nominal Grain Size 0.050 mm | OS050 |
32 Typ |
10 Typ |
50 Typ |
40 Typ |
22 Typ |
0.5 | ||||||
| Wire | Hard | H04 |
55 Typ |
1.5 Typ |
29 Typ |
0.08 | |||||||
| Nominal Grain Size 0.050 mm | OS050 |
35 Typ |
35 Typ |
24 Typ |
0.08 | ||||||||
| Spring | H08 |
66 Typ |
1.5 Typ |
33 Typ |
0.08 | ||||||||
| Melting Point - Liquidus°F | 1981 |
|---|---|
| Densitylb/cu in. at 68°F | 0.321 |
| Specific Gravity | 8.9 |
| Electrical Conductivity% IACS at 68°F | 98 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 218 |
| Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) | 9.3 |
| Coefficient of Thermal Expansion 68-39210 to -6 power per °F (68 – 392°F) | 9.6 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 9.8 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.092 |
| Modulus of Elasticity in Tensionksi | 17000 |
| Modulus of Rigidityksi | 6400 |
| Technique | Suitability |
|---|---|
| Soldering | Excellent |
| Brazing | Good |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Fair |
| 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 | Excellent |
| Machinability Rating | 20 |
Common Fabrication Processes
- Blanking
- Coining
- Coppersmithing
- Drawing
- Etching
- Forming and Bending
- Heading and Upsetting
- Hot Forging and Pressing
- Piercing and Punching
- Roll Threading and Knurling
- Shearing
- Spinning
- Squeezing and Swaging
- Stamping
| Treatment | Minimum* | Maximum* | ||
|---|---|---|---|---|
| * Temperature is measured in Fahrenheit. | ||||
| Annealing | 750 | 1200 | ||
| Hot Working Temperature | 1400 | 1600 | ||
| Product Category | Product | Reason Category | Reason |
|---|---|---|---|
| Architecture | Building Fronts | Appearance | Appearance |
| Building Fronts | Corrosion Resistance | Corrosion Resistance | |
| Downspouts | Appearance | Appearance | |
| Downspouts | Corrosion Resistance | Corrosion Resistance | |
| Downspouts | Forming Characteristics | Formability | |
| Flashing | Appearance | Appearance | |
| Flashing | Corrosion Resistance | Corrosion Resistance | |
| Flashing | Forming Characteristics | Formability | |
| Gutters | Appearance | Appearance | |
| Gutters | Corrosion Resistance | Corrosion Resistance | |
| Gutters | Forming Characteristics | Formability | |
| Roofing | Appearance | Appearance | |
| Roofing | Corrosion Resistance | Corrosion Resistance | |
| Roofing | Forming Characteristics | Formability | |
| Screening | Appearance | Appearance | |
| Screening | Corrosion Resistance | Corrosion Resistance | |
| Screening | Forming Characteristics | Formability | |
| Spouting | Appearance | Appearance | |
| Spouting | Corrosion Resistance | Corrosion Resistance | |
| Spouting | Forming Characteristics | Formability | |
| Automotive | Gaskets | Forming Characteristics | Formability |
| Gaskets | Mechanical Properties | Ductility | |
| Gaskets | Pressure Tight | Pressure Tight | |
| Radiators | Conductivity (Thermal) | Thermal Conductivity | |
| Radiators | Corrosion Resistance | Corrosion Resistance | |
| Radiators | Creep Properties | Creep Resistant | |
| Radiators | Solderability | Solderability | |
| Electrical | Bus Bars | Conductivity (Electrical) | Electrical Conductivity |
| Bus Bars | Conductivity (Thermal) | Thermal Conductivity | |
| Bus Bars | Corrosion Resistance | Corrosion Resistance | |
| Bus Bars | Solderability | Solderability | |
| Commutator Segments | Conductivity (Electrical) | Electrical Conductivity | |
| Commutator Segments | Conductivity (Thermal) | Thermal Conductivity | |
| Commutator Segments | Corrosion Resistance | Corrosion Resistance | |
| Commutator Segments | Solderability | Solderability | |
| Contacts | Conductivity (Electrical) | Electrical Conductivity | |
| Contacts | Conductivity (Thermal) | Thermal Conductivity | |
| Contacts | Corrosion Resistance | Corrosion Resistance | |
| Contacts | Solderability | Solderability | |
| Radio Parts | Conductivity (Electrical) | Electrical Conductivity | |
| Radio Parts | Conductivity (Thermal) | Thermal Conductivity | |
| Radio Parts | Corrosion Resistance | Corrosion Resistance | |
| Radio Parts | Solderability | Solderability | |
| Switches | Conductivity (Electrical) | Electrical Conductivity | |
| Switches | Conductivity (Thermal) | Thermal Conductivity | |
| Switches | Corrosion Resistance | Corrosion Resistance | |
| Switches | Solderability | Solderability | |
| Terminals | Conductivity (Electrical) | Electrical Conductivity | |
| Terminals | Conductivity (Thermal) | Thermal Conductivity | |
| Terminals | Corrosion Resistance | Corrosion Resistance | |
| Terminals | Solderability | Solderability | |
| Industrial | Anodes | Conductivity (Electrical) | Electrical Conductivity |
| Anodes | Conductivity (Thermal) | Thermal Conductivity | |
| Chemical Process Equipment | Corrosion Resistance | Corrosion Resistance | |
| Chemical Process Equipment | Corrosion Resistance | Corrosion Resistance to Many Industrial Chemicals | |
| Kettles | Appearance | Appearance | |
| Kettles | Conductivity (Thermal) | Thermal Conductivity | |
| Kettles | Corrosion Resistance | Corrosion Resistance | |
| Pans | Appearance | Appearance | |
| Pans | Conductivity (Thermal) | Thermal Conductivity | |
| Pans | Corrosion Resistance | Corrosion Resistance | |
| Printing Rolls | Corrosion Resistance | Corrosion Resistance | |
| Printing Rolls | Forming Characteristics | Formability | |
| Road Bed Expansion Plates | Conductivity (Thermal) | Thermal Conductivity | |
| Road Bed Expansion Plates | Corrosion Resistance | Corrosion Resistance | |
| Road Bed Expansion Plates | Mechanical Properties | Ductility | |
| Road Bed Expansion Plates | Thermal Properties | Coefficient of Expansion | |
| Rotating Bands | Conductivity (Electrical) | Electrical Conductivity | |
| Rotating Bands | Conductivity (Thermal) | Thermal Conductivity | |
| Rotating Bands | Corrosion Resistance | Corrosion Resistance | |
| Vats | Conductivity (Thermal) | Thermal Conductivity | |
| Vats | Corrosion Resistance | Corrosion Resistance |
Applicable Specifications
No applicable specifications for this alloy
Corrosion Properties
No Corrosion Properties Available.