Shanghai Tankii Alloy Material Co.,Ltd
Shanghai Tankii Alloy Material Co.,Ltd First Quality, Sincere Service
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Copper and Copper alloy
Chemical Composition: According to GB/T5231-2012 standard
| Name | Grade | Chemical Composition,% | Total impurities % | |||||||||||
| Cu | Ni | Fe | Zn | Mn | Si | Sn | Pb | Al | C | S | P | |||
| Cupronickel | CUNI19 | Bal. | 18.0~ 20.0 | 0.5 | 0.3 | 0.5 | 0.15 | - | 0.005 | Mg 0.05 | 0.05 | 0.01 | 0.01 | 1.8 |
| CUNI30 | Bal. | 29.0~ 33.0 | 0.9 | - | 1.2 | 0.15 | - | 0.005 | - | 0.05 | 0.01 | 0.006 | - | |
| CUNI15Zn20 | 62.0~ 65.0 | 13.5~ 16.5 | 0.5 | Bal. | 0.3 | 0.15 | Mg 0.05 | 0.02 | 0.002 | 0.03 | 0.01 | 0.005 | 0.9 | |
| CUMN12NI | Bal. | 2.0~ 3.5 | 0.20~ 0.50 | - | 11.5~ 13.5 | 0.1~ 0.3 | Mg 0.03 | 0.02 | 0.2 | 0.05 | 0.02 | 0.005 | 0.5 | |
| CUNI40Mn1.5 | Bal. | 39.0~ 41.0 | 0.50 | - | 1.0~ 2.0 | 0.10 | Mg 0.05 | 0.005 | - | 0.10 | 0.02 | 0.005 | 0.9 | |
Dimension and tolerance
| Dia./mm | 0.05-0.10 | 0.10-0.20 | 0.20-0.50 | 0.50-1.00 | 1.00-3.00 | 3.00-6.00 | |
| Tolerance(±) | Ⅰ | 0.003 | 0.005 | 0.008 | 0.010 | 0.020 | 0.030 |
| Ⅱ | 0.005 | 0.010 | 0.015 | 0.020 | 0.030 | 0.040 | |
Product performance: According to GB/T21652-2012 standard
| Grade | State | Dia. mm | T.S. N/mm2(≥) | Elongation, % (≥) |
| CUNI19 | M | 0.1-0.5 | 290 | 20 |
| >0.5-6.0 | 25 | |||
| Y | 0.1-0.5 | 590-880 | - | |
| >0.5-6.0 | 490-785 | - | ||
| CUNI15ZN20
| M | 0.1-0.2 | 345 | 15 |
| >0.2-0.5 | 20 | |||
| >0.5-2.0 | 25 | |||
| >2.0-8.0 | 30 | |||
| Y | 0.1-0.2 | 735-980 | - | |
| >0.2-0.5 | 735-930 | - | ||
| >0.5-2.0 | 635-880 | - | ||
| >2.0-8.0 | 540-785 | - | ||
| CUMN12NI | M
| 0.05-1.0 | 440 | 12 |
| >1.0-6.0 | 390 | 20 | ||
| Y | 0.05-1.0 | 785 | - | |
| >1.0-6.0 | 685 | - | ||
| CUNI40MN1.5 | M | 0.05-0.2 | 390 | 15 |
| >0.2-0.5 | 20 | |||
| >0.5-6.0 | 25 | |||
| Y
| 0.05-0.2 | 685-980 | - | |
| >0.2-0.5 | 685-880 | - | ||
| >0.5-6.0 | 635-835 | - |
