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Aluminium brons A2
| Standardization: | Numberical Symbol: | |
| GB/T9460-2008 | SCu6180 | |
| AWS A5.7:2007 | ERCuAl-A2 | |
| BS EN14640:2005 | Cu6180 | |
| DIN 1733 | SG-CuAl10Fe | |
| BS EN14640:2005: | % | |
| Cu incl.ag | bal. | |
| Zn | 0.02 | |
| Fe | 0.50-1.50 | |
| Si | 0.10 | |
| Al | 8.50-11.00 | |
| Pb | 0.02 | |
| Total others | max 0.40 | |
| Physical properties of materials: | ||
| Density | Kg/m^3 | 7.6 |
| Melting range | ℃ | 1030-1040 |
| Thermal conductivity | W/m.K | 55 |
| Electrical conductivity | S.m/mm^2 | 6.5-7.5 |
| Coefficient of thermal expansion | 10^-6/K(20-300℃) | 17.0 |
| Standard values of the weld metal: | ||
| Elongation | % | 35 |
| Tensile strength | N/mm^2 | 500 |
| Notched bar impact work | J | 95 |
| Brinell hardness | HB 2.5/62.5 | 140 |
| Applications: | ||
| Particularly suitable for Cu-Al materials and for overlay welding on ferritic pearlitic steels and cast iron.Increased resistance to wear and abrasion.Joining and overlay welding of aluminium bronzes,aluminium coated steels,grey cast iron in the machine building, chemical industry and shipbuilding.Joining of corrosion resistant pipes of aluminium bronze or special brass alloys,overlay welding of ship propellers,slide rails,slip ways,bearings.For multilayer welding on steels,pulsed arc welding is recommended. | ||
| Make up: | ||
| Diameter:0.64 – 0.80 – 1.00 – 1.20 – 1.60 -2.40 | ||
| Spools:D100,D200,D300,D760,K300,KS300 | ||
| Rods:1.60 – 9.6 mm x 914/1000 mm | ||
| Electrodes available. | ||
| Further make ups on request. | ||
AWS A5.7 Ercual-A2
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