| Standardization: | Numberical Symbol: | |
| GB/T9460-2008 | SCu5210 |
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| AWS A5.7:2007 | ERCuSn-C |
|
| BS EN14640:2005 | Cu 5210 |
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| Composition(standard values): | % | |
| Cu incl.ag | bal. | |
| Zn | 0.20 | |
| Sn | 7.00-9.00 | |
| Fe | 0.10 | |
| P | 0.10-0.35 | |
| Al | 0.01 | |
| Pb | 0.02 | |
| Total others | 0.50 | |
| Physical properties of materials: | ||
| Density | Kg/m3 | 8.8 |
| Melting range | ℃ | 875-1025 |
| Thermal conductivity | W/m.K | 66 |
| Electrical conductivity | S.m/mm2 | 6-8 |
| Coefficient of thermal expansion | 10^-6/K(20-300℃) | 18.5 |
| Standard values of the weld metal: | ||
| Elongation | % | 20 |
| Tensile strength | N/mm2 | 260 |
| Notched bar impact work | J | 32 |
| Brinell hardness | HB 2.5/62.5 | 80 |
| Applications: | ||
| Copper tin alloy of higher tin percentage-increased hardness for overlay welding.Particularly suitable for welding of copper materials, like copper,tin bronzes,especially used for joining of copper zinc alloys and steels.Suitable for repair welding of cast bronzes and for oven soldering.For multilayer welding on steel,pulsed arc welding is recommended.For large work pieces preheating is recommended. | ||
| Make up: | ||
| Diameter:0.64 - 0.80 - 1.00 - 1.20 - 1.60 -2.40 |
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| Spools:D100,D200,D300,D760,K300,KS300 |
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| Rods:1.60 - 9.6 mm x 914/1000 mm |
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| Electrodes available. |
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| Further make ups on request. |
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