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| ब्रांड नाम: | YUHONG |
| मॉडल संख्या: | एएसटीएम बी111 यूएनएस सी44300 कॉपर मिश्र धातु ट्यूब हीट एक्सचेंजर ट्यूब |
| एमओक्यू: | 1000KGS |
| मूल्य: | विनिमय योग्य |
| पैकेजिंग विवरण: | प्लाई-लकड़ी का केस/आयरन केस/प्लास्टिक कैप के साथ बंडल |
| भुगतान की शर्तें: | एल/सी,टी/टी |
ASTM B111 UNS C44300 Temper O61 Admiralty Brass Tube Copper Alloy U Bend Heat Exchanger Tube
Chemical Composition of ASME SB111 C44300 Copper Alloy Tube U Bend Heat Exchanger Tube
| Designation | Cu, incl. Ag | Sn | Pb | Fe | Zn | Mn | As | Sb |
| C44300 | 70.0-73.0 | 0.9-1.2 | 0.06 max | 0.07 max | Balance | – | 0.02-0.06 | – |
Mechanical Properties of ASME SB111 C44300 Copper Alloy Tube U Bend Heat Exchanger Tube
| Grade | Temper Designation | Annealing temperature, °C | Tensile Strength, min | Yield Strength, min | HV |
Elongation, min% |
Expansion of Tube Outside Diameter, in Percent of Original Outside Diameter, % | ||||
| Code | Name | ksi | MPa | ksi | MPa | in 2 in | in 50 mm | ||||
| C44300 | O61 | annealed | 425-650 | 45 | 310 | 15 | 105 | 191 | 65 | – | 20 |
Choose C44300 when you need high heat transfer, low cost, and good biofouling resistance in clean seawater or fresh water at moderate velocities (1–3 m/s) and temperatures below 200°C. Nickel alloys are unnecessary overkill for these conditions – they cost 3–8× more, transfer heat poorly, and are difficult to fabricate into U‑bends.
Application
1. Seawater Heat Exchangers
2. Offshore Oil & Gas Platforms
3. Power Plant Auxiliary Coolers
4. Firewater Systems (Trim Coolers)
5. Hydraulic Oil Coolers
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