Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASTM B283 UNS C70620 Copper Nickel Alloy Forged Blind Flange BLRF Flange
Copper Nickel Alloy UNS C70620 exhibits excellent resistance to seawater corrosion, making it an ideal choice for marine applications. It minimizes the risk of pitting and crevice corrosion, which can compromise the integrity of the flange and connected piping systems. It also has good thermal conductivity, making them suitable for applications that may involve temperature variations, such as in heat exchangers.
The good mechanical properties including strength and ductility of C70620 can withstand various operational stresses, making it suitable for durable applications and extending the lifespan of the components.
| Elements | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Cu(1,2) | Pb | Zn | Fe | P | Ni(3) | C | Mn | S | |
| (1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min. (3) Ni value includes Co. | |||||||||
| Min (%) | 86.5 | 1.0 | 9.0 | ||||||
| Max (%) | 0.02 | 0.50 | 1.8 | 0.02 | 11.0 | 0.05 | 1.0 | 0.02 | |
| Form | Temper | Temper Code | Tensile Strength (ksi) | YS-0.2% Offset (ksi) | Elongation (%) | Section Size (in) |
|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||||
| Forgings | As Hot Forged - Air Cooled | M10 | 40 Min | 15 Min | 30 Min | |
| As Hot Forged - Air Cooled | M10 | 45 Min | 18 Min | 30 Min | 6 | |
The mian difference between copper materials
| C70620 (CuNi 90/10) |
|
| C71500 (CuNi 70/30) |
|
| C44300 (CuNi 90/10 + Tin) |
|
| C71500 vs. C70620 |
|
Summary
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Penetration test
Application