Chemical Composition（%）
| Standard | Class | Alloy | Cu | Al | Fe | Mn | Ni | P | Pb | Si | Sn | Zn | Other |
| ISO24373 | Cu4641 | CuZn40SnSi | 58-62 | 0.01 | 0.2 | 0.3 | - | - | 0.03 | 0.1-0.5 | 1.0 | bal. | 0.2 |
| GB/T9460 | SCu6810A | CuZn40SnSi | 58-62 | 0.01 | 0.2 | 0.3 | - | - | 0.03 | 0.1-0.5 | 1.0 | bal. | 0.2 |
| BS EN14640 | Cu6810 | CuZn40SnSi | 58-62 | 0.01 | 0.2 | 0.3 | - | - | 0.03 | 0.1-0.5 | 1.0 | bal. | 0.2 |
| DIN 1733 | 2.0366 | SG-CuZn40Si | 58-62 | 0.01 | 0.2 | 0.3 | - | - | 0.03 | 0.1-0.5 | 1.0 | bal. | 0.2 |
Physical & Mechanical Properties | Solids-Temperature | Liquids-Temperature | Tensile Strength | Elongation | Hardness | Density |
| 870-890℃ | 880-910℃ | 380N/mm² | 30% | 88HB | 8.4kg/dm³ |
Application Most popular for padding material of gas-welding and arc welding in brass. Can also used in gas welding of copper, steel,copper-nickel,cast iron and cemented carbide alloy tools incrustation
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Tin Brass CuZn40SnSi,HS221
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