ASTM B111 C71640 Copper Nickel Heat Exchanger Tubes - 29-32% Nickel, 1.7-2.3% Iron Alloy
Price:
Negotiable
MOQ:
2Tons
Delivery Time:
20days
Brand:
Joyruns
Product Description
ASTM B111 C71640 Copper Nickel Heat Exchanger Tubes
C71640 copper nickel tubes (66-30-2-2 Cu-Ni, CW353H) are engineered for demanding heat exchanger applications, offering superior performance in industrial environments with high flow rates and challenging conditions.
Key Features & Applications
- Modified 70-30 alloy with 2% iron and 2% manganese for enhanced performance
- Withstands higher flow rates than 90-10 and 70-30 copper nickel alloys
- Primarily used as condenser tubing in industrial plants
- Excellent resistance to erosion-corrosion in environments with suspended solids
- Proven performance in multi-stage flash desalination plants
Chemical Composition Specifications
| Steel Grade | Cu | Ni | Fe | Mn | Pb | Zn |
|---|---|---|---|---|---|---|
| C70400 | Remain | 4.8-6.2 | 1.3-1.7 | 0.3-0.8 | 0.05 max | 1.0 max |
| C70600 | Remain | 9.0-11.0 | 1.0-1.8 | 1.0 max | 0.05 max | 1.0 max |
| C71500 | Remain | 29.0-33.0 | 0.4-1.0 | 1.0 max | 0.05 max | 1.0 max |
| C71640 | Remain | 29.0-32.0 | 1.7-2.3 | 1.5-2.5 | 0.05 max | 1.0 max |
Mechanical Properties
| Grade | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|---|
| C71640 | 061 | 435 min | 170 min | 30 min |
| C71640 | HR50 | 560 min | 400 min | 20 min |
Product Packaging
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Company
Changzhou Joyruns Steel Tube CO.,LTD
Location
No.143 Qingyang North road,Tianning district. Changzhou
Contact Person
Lee