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C69710
Elements | |||||||
---|---|---|---|---|---|---|---|
Cu(1,2) | Pb | Zn | Fe | As | Mn | Si | |
(1) Cu + Sum of Named Elements 99.5% min. (2) Cu value includes Ag. |
|||||||
Min (%) | 75.0 | 0.50 | 0.03 | 2.5 | |||
Max (%) | 80.0 | 1.5 | Rem | 0.20 | 0.06 | 0.40 | 3.5 |
Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.5% Ext (ksi) |
Elongation (%) |
Rockwell B scale | Section Size (in) |
---|---|---|---|---|---|---|---|
* Measured at room temperature, 68°F (20°C). | |||||||
Rod | 1/8 Hard | H00 |
100 Typ |
57 Typ |
21 Typ |
95 Typ |
|
Soft Anneal | O60 |
85 Typ |
43 Typ |
25 Typ |
85 Typ |
1 | |
Soft Anneal | O60 |
80 Typ |
40 Typ |
25 Typ |
85 Typ |
2 | |
Soft Anneal | O60 |
90 Typ |
45 Typ |
20 Typ |
85 Typ |
0.50 |
Melting Point - Liquidus°F | 1706 |
---|---|
Densitylb/cu in. at 68°F | 0.3 |
Specific Gravity | 8.3 |
Electrical Conductivity% IACS at 68°F | 8 |
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 23 |
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 10.7 |
Modulus of Elasticity in Tensionksi | 16000 |
Technique | Suitability |
---|---|
Capacity for Being Hot Formed | Excellent |
Machinability Rating | 70 |
Common Fabrication Processes
Thermal Properties
Product Category | Product | Reason Category | Reason |
---|---|---|---|
Industrial | Valve Stems | Corrosion Resistance | Corrosion Resistance |
Valve Stems | Corrosion Resistance | Dezincification Resistance | |
Valve Stems | Machining Characteristics | Machinability | |
Valve Stems | Mechanical Properties | Moderate Strength |
Form | Specific Sub-Form | Application | System | Standard | Description |
---|---|---|---|---|---|
Rod | ASTM | B371/B371M | COPPER-ZINC-SILICON ALLOY ROD |
Corrosion Properties