Alloy Names (as per RoHS specifications) | |
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UNS | C61400 |
Chemical Composition | Weight percentage |
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Copper [Cu] | 91.0 % to 92.0% |
Aluminium [Al] | 4.5 % to 6.5% |
Nickel [Ni] | 2% to 2.5% |
Maganese [Mn] | 0.50% |
Characterists |
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Main Applications |
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Marine & Chemical : Tube plates for condensers, evaporators and heat exchanges, cryogenic equipment, water boxes, storage tanks and pipe work, Ship-building,Corrosion Resistant Vessels, Sea Water Piping etc. Mechanical: Environment-resistant fasteners and pump components, Bushings, Bearings, Gear parts. |
Properties
Form | Temper | Temper Code | Tensile Strength (ksi) | YS-0.5% Ext (ksi) | Elongation (%) | Rockwell B Scale | Shear Strength (ksi) | Torsion Modulus (ksi) | Izod (ft-Ibs) | Fatigue Strength** (ksi) | Ultimate Tensile Strength in Shear (ksi) | Section Size (in) |
Flat Products |
Hard |
H04 | 89 Typ | 60 Typ | 32 Typ | 87 Typ | 0.125 | |||||
H04 | 85 Typ | 58 Typ | 35 Typ | 86 Typ | 0.312 | |||||||
H04 | 78 Typ | 45 Typ | 40 Typ | 84 Typ | 1 | |||||||
H04 | 80 Typ | 54 Typ | 38 Typ | 85 Typ | 48 Typ | 0.5 | ||||||
Soft Anneal |
O60 | 80 Typ | 40 Typ | 40 Typ | 42 Typ | 0.315 | ||||||
O60 | 80 Typ | 40 Typ | 40 Typ | 83 Typ | 42 Typ | 26 Typ | 0.312 | |||||
O60 | 82 Typ | 45 Typ | 40 Typ | 84 Typ | 45 Typ | 30 Typ | 0.125 | |||||
O60 | 82 Typ | 45 Typ | 40 Typ | 45 Typ | 0.118 | |||||||
O60 | 76 Typ | 33 Typ | 45 Typ | 81 Typ | 28 Typ | 40 Typ | 1 | |||||
O60 | 78 Typ | 35 Typ | 42 Typ | 40 Typ | 0.59 | |||||||
O60 | 78 Typ | 35 Typ | 42 Typ | 82 Typ | 40 Typ | 25 Typ | 0.5 | |||||
Rod |
Drawn and Stress
Relieved |
HR50 | 75 Min for Standard | 35 Min for Standard | 30 Min for Standard | 1 | ||||||
HR50 | 80 Min for Standard | 40 Min for Standard | 30 Min for Standard | 0.5 | ||||||||
HR50 | 70 Min for Standard | 32 Min for Standard | 30 Min for Standard | 2 | ||||||||
Hard |
H04 | 85 Typ | 45 Typ | 35 Typ | 91 Typ | 48 Typ | 0.5 | |||||
H04 | 82 Typ | 40 Typ | 35 Typ | 90 Typ | 45 Typ | 1 | ||||||
H04 | 80 Typ | 35 Typ | 35 Typ | 88 Typ | 40 Typ | 6.1 Typ | 60 Typ | 26 Typ | 2 |
Melting Point - Liquidus °F | 1915 |
Melting Point - Solidus °F | 1905 |
Density Ib/cu in.at 68 °F | 0.285 |
Specific Gravity | 7.89 |
Electrical Conductivity % IACS at 68°F | 14 |
Thermal Conductivity Btu/Sq ft/ft hr/°F at 68°F | 39 |
Coefficient of Thermal Expansion 68-572 per 10-6°F (68-572°F) | 9 |
Specific Heat Capacity Btu/lb/°F at 68°F | 0.09 |
Modulus of Elasticity in Tension ksi | 17000 |
Modulus of Rigidity ksi | 6400 |
Technique | Suitability |
Solderring | Not Recommended |
Brazing | Fair |
Oxyacetylene Welding | Not Recommended |
Gas Shielded Arc Welding | Good |
Coated Metal Arc Welding | Good |
Spot Weld | Good |
Seam Weld | Good |
Butt Weld | Good |
Capacity for Being Cold Worked | Good |
Capacity for Being Hot Formed | Good |
Machinability Rating | 20 |