API 660 Heat Exchanger Tube Bundle ASTM B111 C70600 CuNi Tubes for EN 12452 Seawater Resistance
This API 660-compliant shell-and-tube bundle integrates seamless cold-drawn C70600 CuNi tubes (90-10 alloy) for superior erosion-corrosion resistance in marine environments. Certified to EN 12452 for seawater applications, it ensures reliability in offshore cooling systems, desalination plants, and high-salinity industrial processes. Full eddy current tested per ASTM B111.
C70600 Copper Alloy Seamless Tube bundle Chemical Composition Advantages
|
Element
|
Composition (wt%)
|
|
Cu
|
88.6 min
|
|
Ni
|
9.0–11.0
|
|
Fe
|
1.0–1.8
|
|
Mn
|
0.5–1.0
|
|
Others
|
Zn ≤1.0, Pb ≤0.05
|
C70600 Copper Alloy Seamless Tube bundle Mechanical Properties Advantages
|
Property
|
Typical Values
|
|
Tensile Strength (MPa)
|
290–380 (Annealed)
|
|
550–690 (Cold Worked)
|
|
Yield Strength (MPa)
|
120–170 (Annealed)
|
|
480–620 (Cold Worked)
|
|
Elongation (%)
|
≥30 (Annealed)
|
|
≥5 (Cold Worked)
|
|
Hardness (HV)
|
80–120 (Annealed)
|
|
160–200 (Cold Worked
|
C70600 Copper Alloy Seamless Tube bundle Delivery Condition Advantages
|
Condition
|
Features
|
|
Annealed (O)
|
Soft, ductile, easy to form/weld.
|
|
Cold Drawn (H)
|
High strength, tight dimensional tolerance.
|
|
Stress-Relieved
|
Reduced residual stress, improved stability.
|
|
PART NO.
|
DESCRIPTION
|
MATERIAL
|
QTY PER SET
|
REMARK
|
|
1
|
Pulling Lug
|
SA-516 Gr.70
|
2
|
Size: 15"
|
|
2
|
Pushing Plate
|
SA-516 Gr.70
|
14
|
120mm thickness
|
|
3
|
Hex Plate
|
SA-36
|
14
|
-
|
|
4
|
Lifting Lug Plug
|
S.S 304
|
2
|
M24 thread
|
|
5
|
Impingement Plate
|
SA-283 Gr.C
|
2
|
Size: 3"
|
|
6
|
Sealing Strips
|
SA-283 Gr.C
|
4
|
Brass material
|
|
7
|
Sung Plate
|
SA-283 Gr.C
|
4
|
Thickness: 4.4mm
|
|
8
|
Support Plate
|
SB-179
|
6
|
VA/Brass variant
|
|
9
|
Cable
|
SB-170
|
1
|
Length: 1.3m
|
10 industries where heat exchangers API 660 Heat Exchanger Bundle ASTM B111 C70600 CuNi Tubes commonly used,
1. Offshore Oil & Gas
2. Petrochemical Refining
3. Marine & Shipbuilding
4. Power Generation
5. Chemical Processing
6. LNG Processing & Storage
7. Water Desalination
8. Pulp & Paper Industry
9. Food & Beverage
10. Renewable Energy (Ocean Thermal)
