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| Standard | Class | Alloy | Cu | Al | Fe | Mn | Ni | P | Pb | Si | Sn | Zn | Other |
| ISO24373 | Cu7730 | CuZn40Ni10 | 46-50 | 0.01 | - | - | 9-11 | 0.25 | 0.05 | 0.04-0.25 | - | bal. | 0.5 |
| GB/T9460 | SCu7730 | CuZn40Ni10 | 46-50 | 0.01 | - | - | 9-11 | 0.25 | 0.05 | 0.04-0.25 | - | bal. | 0.5 |
| BS EN14640 | Cu7730 | CuZn40Ni10 | 46-50 | - | - | - | 9-11 | - | 0.03 | 0.2 | 0.8-1.1 | bal. | 0.5 |
| AWS A5.8 | C77300 | RBCuZn-D | 46-50 | 0.01 | - | - | 9-11 | 0.25 | 0.05 | 0.04-0.25 | - | bal. | 0.5 |
| Solids-Temperature | Liquids-Temperature | Tensile Strength | Elongation | Hardness | Density |
| 890℃ | 935℃ | 385N/mm² | 25% | 120HB | 8.7kg/dm³ |
| Utilized in the joints and gears of machinery, automatic technological industries, and steel-furniture industries. It is suitable for surface corrosion resistance for cast steel,cast iron,copper-alloy and nickel-alloy, as well as the joining welding of cast iron. |
RBCuZn-D flux coated
