類別
特色產品
磷青銅a
| Standardization: | Numberical Symbol: | |
| GB/T9460-2008 | SCu5180A | |
| AWS A5.7:2007 | ERCuSn-A | |
| BS EN ISO24373:2009 | CuSn6P | |
| DIN 1733 | SG-CuSn6 | |
| AWS Chemical Composition: | % | |
| Cu incl.ag | bal. | |
| Sn | 4.00-6.00 | |
| P | 0.10-0.35 | |
| Al | 0.01 | |
| Pb | 0.02 | |
| Total others | 0.50 | |
| Physical properties of materials: | ||
| Density | Kg/m^3 | 8.7 |
| Melting range | ℃ | 910-1040 |
| Thermal conductivity | W/m.K | 75 |
| Electrical conductivity | S.m/mm^2 | 6-7 |
| Coefficient of thermal expansion | 10^-6/K(20-300℃) | 18.1 |
| Standard values of the weld metal: | ||
| Elongation | % | 20 |
| Tensile strength | N/mm^2 | 260 |
| Notched bar impact work | J | 32 |
| Brinell hardness | HB 2.5/62.5 | 80 |
| Applications: | ||
| Suitable for welding of copper materials,for example copper and tin bronzes,especially used for joining of copper zinc alloys and steels. Also suitable for repair welding of cast bronzes.For large work pieces preheating is recommended.For multilayer welding on steel,pulsed arc welding is recommended-also appropriate for oven soldering. | ||
| 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 ercusn-a
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