- Type: 70-30 Cupronickel Tubes
- Tube Material: Cupronickel Tubes
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70/30 Cupronickel Tubes
Product Description
Datang manufacture, exports and supplies 70/30 Cupro Nickel Tubes which is a 70% copper 30% nickel alloy, offering improved levels of corrosion resistance in marine and salt water environments.
70/30 Cupro Nickel Tube widely used for Heat Exchangers, High Capacity Power Plants, Ship Building & Ship Repairs, Condensers, Offshore Oil rigs, Distiller Tubes, Evaporators.
Technical Specification of 70/30 Cupronickel Tubes :
| Standard | BS 2871 PART 3 | ASTM B-111 | DIN 1785 | NFA 51 102 | JIS H3300 | IS 1545 |
| Symbol | CN 107 | C 71500 | CuZn30 Mn 1 Fe | CuZn30 Mn 1 Fe | C 7150 | CuZn30 Mn 1 Fe |
| Cu | Remainder | Remainder | Remainder | Remainder | Remainder | Remainder |
| Pb | 0.01 | 0.05 | 0.03 | 0.05 | 0.05 | 0.05 |
| Sn+Pb | ||||||
| Ni | 30.00-32.0 | 29.0-33.0 | 30.0-32.0 | 29.0-32.0 | 29.0-33.0 | 29.0-33.0 |
| Fe | 0.4-1.0 | 0.4-1.0 | 0.4-1.0 | 0.4-0.7 | 0.4-0.7 | 0.4-1.0 |
| Mn | 0.5-1.0 | 1.0 | 0.5-1.5 | 0.5-1.5 | 0.2-1.0 | 0.5-1.0 |
| S | 0.05 | – | 0.05 | 0.02 | – | – |
| C | 0.06 | – | 0.30 | 0.10 | – | 0.30 |
| Total Impurites Max. | 0.30 | – | 0.1 | 0.30 | Rem (Cu+Ni+Fe+Mn 99.5 Min.) | 0.30 |
| Condition | M | O 61 | F 37 | – | O | O |
| F 42 | ||||||
| O | HR 50 | D | ||||
| Yield | – | 125 Min. | 120-220 150-260 |
– | – | – |
| Strength | – | 345 Min. | ||||
| N/mm2 | ||||||
| Tensile | – | 360 Min. | 370 Min. | – | 363 Min. | 360 Min. |
| N/mm2 | – | 495 Min. | 420 Min. | – | – | 480 Min. |
| Elongation | – | 12/15* | 35 Min. | – | 30 Min. | – |
| % | – | – | 30 Min. | – | ||
| Hardness HV 5 | 150 | – | – | 90-130 | – | 115 Max. |
| 90-120 | 140 Min. | |||||
| Grain Size | 0.05 Max. | – | – | 010-045 | 010-045 | – |
| Mm (75X) |