NFA 51 102 CuNi 30 Fe 1 Mn Condenser Tubes are 70/30 copper nickel (CuNi30Fe1Mn) tubes for use in heat exchangers, seawater cooled condenser, marine cooling system. Copper nickel alloy is a kind of copper alloy which is added with about 30% nickel content, with the addition of iron and manganese to enhance its ability to resist seawater corrosion, erosion and high velocity water flow. In industrial cooling systems, power plants, desalination units and shipbuilding, these tubes are used. They are normally supplied in the seamless, cold drawn and annealed condition, in accordance with the relevant specifications. NF A 51-102 is a withdrawn French standard; it has been superseded by NF EN 12451; it is advisable that buyers should verify the requirements for materials and dimensions before ordering. Amardeep Steel offers CuNi 30 Fe 1 Mn condenser tubes and assists customers in keeping the NF A 51-102 drawings in the current EN 12451 tube specifications.
Technical Data
Specifications of NFA 51 102 CuNi 30 Fe 1 Mn Condenser Tube
| Parameter | Details |
|---|---|
|
Standard |
NF A 51-102 (replaced by NF EN 12451) |
|
Grade |
CuNi 30 Fe 1 Mn (CuNi30Fe1Mn), 70/30 copper nickel |
|
Type |
Seamless |
|
Technique |
Cold drawn, annealed |
|
Outside Diameter |
6 mm to 254 mm |
|
Wall Thickness |
0.7 mm to 10 mm |
|
Length |
1 m to 6 m; custom lengths on request |
|
End Form |
Plain or bevelled |
|
Surface Finish |
Bright, polished or annealed |
|
Packing |
Seaworthy export packing |
Chemical Compositions of NFA 51 102 CuNi 30 Fe 1 Mn Condenser Tube
| Element | Limit (%) | Nominal (%) |
|---|---|---|
|
Copper (Cu) |
Remainder |
69.5 |
|
Nickel (Ni) |
29.0 to 33.0 |
30.0 |
|
Iron (Fe) |
0.40 to 1.0 |
0.5 |
|
Manganese (Mn) |
1.0 max |
Not stated |
|
Lead (Pb) |
0.05 max |
Not stated |
|
Zinc (Zn) |
1.0 max |
Not stated |
NFA 51 102 CuNi 30 Fe 1 Mn Condenser Tube Mechanical Properties
| Property | Standard Value (Verified Minimums) |
|---|---|
|
Yield Strength (0.2% Proof), min |
105 MPa |
|
Elongation, min |
40% |
|
Hardness (typical) |
80 to 120 HB |
Physical Properties of CuNi 30 Fe 1 Mn Condenser Tube
| Property (at 20°C / 68°F) | Metric | Imperial |
|---|---|---|
|
Density |
8.94 g/cm³ |
0.323 lb/in³ |
|
Melting Range (solidus to liquidus) |
1171°C to 1238°C |
2140°F to 2260°F |
|
Thermal Expansion (20°C to 300°C) |
16.2 µm/m·°C |
9.0 x 10⁻⁶ /°F |
|
Thermal Conductivity |
29 W/m·K |
17 Btu/ft·hr·°F |
|
Specific Heat |
377 J/kg·K |
0.09 Btu/lb·°F |
|
Electrical Conductivity |
4% IACS |
4% IACS |
|
Electrical Resistivity |
0.374 µΩ·m |
225 ohm·cmil/ft |
|
Modulus of Elasticity (tension) |
152 GPa |
22,000 ksi |
|
Modulus of Rigidity |
57 GPa |
8,300 ksi |
NFA 51 102 CuNi 30 Fe 1 Mn Equivalent Grades
| Standard | Designation |
|---|---|
|
NF A 51-102 (France, cancelled) |
CuNi30Fe1Mn |
|
EN 12451 (current European) |
CuNi30Mn1Fe, CW354H |
|
ASTM B111 / ASME SB111 |
UNS C71500 |
|
BS 2871 Part 3 (former UK) |
CN107 |
|
JIS H 3300 (Japan) |
C7150 (C7150T) |
|
GOST (Russia) |
MNZhMts 30-1-1 |
|
Common Names |
70/30 copper nickel, 70/30 cupro nickel |
Applications and Industrial Uses of CuNi 30 Fe 1 Mn Copper Nickel Condenser Tube
- Thermal Power Plants
- Marine and Shipbuilding Industries
- Seawater-Cooled Condensers
- Desalination Plants
- Oil and Gas Offshore Platforms
- Petrochemical Processing Plants
- Chemical Processing Industries
- Industrial Heat Exchangers and Cooling Systems
Frequently Asked Questions
What are NFA 51 102 CuNi 30 Fe 1 Mn Condenser Tubes?
NFA 51 102 CuNi 30 Fe 1 Mn Condenser Tubes are copper nickel alloy tubes used in heat exchangers, seawater-cooled condensers, and marine cooling systems. They offer good resistance to seawater corrosion and erosion.
What is the difference between CuNi 30 Fe 1 Mn and CuNi 10 Fe 1 Mn?
CuNi 30 Fe 1 Mn contains approximately 30% nickel, while CuNi 10 Fe 1 Mn contains approximately 10% nickel. The 70/30 alloy generally provides better resistance to high-velocity seawater erosion.
Is NF A 51-102 CuNi 30 Fe 1 Mn equivalent to EN 12451 CW354H?
CuNi 30 Fe 1 Mn is associated with EN 12451 CW354H. However, complete equivalence with the older NF A 51-102 specification should be confirmed by checking chemical composition, dimensions, and applicable requirements.
What are CuNi 30 Fe 1 Mn condenser tubes used for?
These tubes are used in power plant condensers, marine cooling systems, desalination plants, seawater heat exchangers, and industrial cooling equipment.
Why is CuNi 30 Fe 1 Mn suitable for seawater applications?
Its copper nickel composition, combined with iron and manganese, provides good resistance to seawater corrosion, erosion, and biofouling under suitable operating conditions.
Are NFA 51 102 CuNi 30 Fe 1 Mn tubes seamless?
Yes, these condenser tubes are commonly supplied as seamless, cold-drawn tubes in an annealed condition, subject to the applicable specification and purchase requirements.
Request a Quote for NFA 51 102 CuNi 30 Fe 1 Mn Copper Nickel Condenser Tube
Contact Amardeep Steel for NFA 51 102 CuNi 30 Fe 1 Mn Copper Nickel Condenser Tube price, stock, and delivery details.
Get a Quote