Copper Nickel suppliers

Cupro Nickel Price Per Kg in India

Dealers & distributor of Copper Nickel Grades, Copper Nickel Alloy, Cuni Material Grades in UK, UAE. Check Copper Nickel seawater corrosion

Table of contents

Copper Nickel Alloy Suppliers
Copper Nickel Grades Suppliers in Mumbai, India

Looking to buy Alloy 600 Tubing? Inconel 600 Tubing?

Check Today’s price of Alloy 600 Tubing in India
Looking for Copper Nickel suppliers in UK, UAE, Singapore, Australia, South Africa or Indonesia? Your single source for all types of Copper Nickel Grades.

Cupro Nickel Price Per Kg

Copper Nickel Price Origin Price in INR (per kg) Price in USD (per kg) Price in Euro (per kg)
Copper Nickel Price in India Indian Rs 560 – 660/- as per your requirement size $7.95 €6.94
Cuni Material Price in Japan Japanese Rs 650 – 750/- as per your requirement size $9 €8
Cupro Nickel Price in UK / Europe European Rs 850 – 950/- as per your requirement size $12 €10
Copper Nickel Price in USA USA Rs 1000 – 1100/- as per your requirement size $14 €12

Cupro Nickel Density & Price per KG in India

With reference to Cupro Nickel Density & Price per KG in India, the Density of Copper-Nickel is 0.323 lb/in³ (8.94 g/cc). Cupro Nickel price per kg in India is Rs 560. That means that the price of Cupro Nickel per kg would be roughly around 6.30 Pounds. Of course, this would not mean that Cupro Nickel would be available at this very same price in other parts of the globe such as USA, Singapore, China, Japan, Europe, UK, etc. For instance, the price of Cupro Nickel is roughly 5% higher in India, than it is in China. Yet, you could buy Cupro Nickel in India, for 35% lesser than you could buy it in America. Also, the price of Cupro Nickel is always fluctuating.

Copper Nickel Specification

Copper Nickel Product Specification
Bar ASTM B122, B151, MILITARY MIL-C-15726, SAE J461, J463
Bolts ASTM F468
Electrode, Welding AWS A5.6, MILITARY MIL-E-22200/4
Nuts ASTM F467
Pipe, Seamless ASME SB466, ASTM B466
Pipe, Welded ASTM B608, B467
Plate ASTM B122, MILITARY MIL-C-15726, SAE J461, J463
Plate, Clad ASTM B432
Plate, Condenser Tube ASME SB171, ASTM B171, SAE J463, J461
Rod ASTM B151, MILITARY MIL-C-15726
Screws ASTM F468
Sheet ASTM B122, MILITARY MIL-C-15726, SAE J463, J461
Strip ASTM B122, MILITARY MIL-C-15726, SAE J461, J463
Studs ASTM F468
Tube, Condenser ASME SB111, ASTM B552, B111, MILITARY MIL-T-15005, SAE J463, J461
Tube, Finned ASME SB359, ASTM B359, MILITARY MIL-T-22214
Tube, Seamless ASME SB466, ASTM B466, MILITARY MIL-T-16420
Tube, U-Bend ASME SB395, ASTM B395
Tube, Welded ASME SB543, ASTM B543
Wire MILITARY MIL-C-15726

Copper Nickel Alloy Properties

Specified Minimum Properties

ASTM B111 Copper & copper alloy

Temper Code 0.5% Proof Stress
MPa
Tensile Strength
MPa
Elongation
%
Annealed O61 105 275 (40)
Cold Drawn H55 240 310 (10)

Copper Nickel Physical Properties

Property Metric Units Imperial Units
Melting Point (Liquidus) 11,500°C 21,000°F
Melting Point (Solidus) 11,000°C 20,100°F
Density 8.94 gm/cm³ @ 20°C 0.323 lb/in³ @ 68°F
Specific Gravity 8.94 8.94
Coefficient of Thermal Expansion 17.1 x 10 -6 / °C (20-300°C) 9.5 x 10 -5 / °F (68-392°F)
Themal Conductivity 40 W/m. °K @ 20°C 23 BTU/ft³/ft/hr/°F @ 68°F
Thermal Capacity (Specific Heat) 380 J/kg. °K @ 20°C 0.09 BTU/lb/°F @ 68°F
Electrical Conductivity (Annealed) 5.26 microhm?.cm?.¹ @ 20°C 9.1% IACS
Electrical Resistivity (Annealed) 0.190 microhm.cm @ 20°C 130 ohms (circ mil/ft) @ 68°F
Modulus of Elasticity (tension) 140 GPa @ 20°C 20 x 10 6 psi @ 68°F
Modulus of Rigidity (torsion) 52 GPa @ 20°C 7.5 x 10 6 psi @ 68°F

Environmental Properties

Resistance Factors

1=Poor 5=Excellent

Environment / Factor Rating
Flammability 5
Fresh Water 5
Organic Solvents 5
Oxidation at 500C 3
Sea Water 5
Strong Acid 2
Strong Alkalis 5
UV 5
Wear 5
Weak Acid 4
Weak Alkalis 5

Cupronickel Uses

Cupronickel for Offshore & marine- Salt water pipes and fittings, hot water tanks, salt water baffles, propeller sleeves, valve and pump components, flanges, boat hulls, marine fittings and marine hardware

Copper nickel uses in Chemical processing- Heat exchanger and cooling plant, evaporator tubes, pump and valve trim

Other uses of Cupro nickel – Power steering tube, brake lines, condenser plates, pressure vessels and distiller tubes

Copper Nickel seawater corrosion

Crevices can normally be tolerated in designs using these materials. They may foul but rarely pit. Titanium
Hastelloy C
Inconel 625
Titanium will pit at temperatures above 120°C.
Inconel 625 after 2-3 years shows signs of incipient pitting in some tests in quiet seawater
90/10 copper-nickel (1.5 Fe)
Admiralty Brass
Shallow to no pitting. 90/10 copper-nickel is standard seawater piping alloy.
70/30 copper-nickel
Copper
Tin and aluminium bronzes
Good resistance to pitting.
Useful in piping applications
Crevices cannot be tolerated in designs (But usable in above the waterline marine applications) Nickel Many deep pits develop. Cathodic protection from less noble alloys required
Grade 304 Stainless Steel Many deep pits develop. Cathodic protection from steel may not be fully effective
Precipitation Hardening Grades of Stainless Steel Many deep pits develop. Cathodic protection with zinc or aluminium may induce cracking from hydrogen
Severe crevice corrosion limits usefulness Grade 303 Stainless Steel Severe pitting. Cathodic protection may not be effective.
Series 400 (ferritic or martensitic) Stainless Steel Severe pitting. Cathodic protection with zinc or aluminium may induce cracking from hydrogen.
Useful although cathodic protection required on critical surfaces Monel 400 (nickel-copper alloy) Pits tend to be self-limiting in depth at about 1-6 mm. No protection required for heavy sections. Cathodic protection from steel or copper base alloys will prevent pitting on O Ring, valve seats, and similar critical surfaces.
CN7M (Alloy 20)
Incoloy 825
Occasional deep pits will develop. Protection not normally required for all alloy 20 pumps. Cathodic protection from less noble alloys may be necessary for O Ring and similar critical surfaces.
Grade 316 Stainless Steel Cathodic protection from zinc, aluminium, or steel is required except when part is frequently removed from seawater and thoroughly cleaned

Comparison of Copper Nickel alloy corrosion resistance

CuNi10Fe and CuNi30Fe seawater corrosion (in Heat Exchanger Service)

Environmental Conditions Type of Corrosion Service Experience
CuNi10Fe CuNi30Fe
Waterside Conditions
Clean Seawater at velocities up to 1m/sec Uniform, General 0.0025-0.025 mm/yr 0.0025-0.025 mm/yr
Clean Seawater at velocities up to 3.5 m/sec* Impingement Attack Satisfactory Satisfactory
Polluted Seawater Accelerated General & Pitting Less Resistant Preferred but not immune
Entrained Sand in Seawater Accelerated General & Erosion Unsuitable, except in mild conditions Use CuNi30Fe2Mn2
Accumulated Deposits on Surface Local Attack Generally Good Tendancy to Pit
Hot Spots due to Local Overheating Local Attack by Denickelification Good Good but some failures in extreme conditions
Corrosion Plus Stress Stress Corrosion Very Resistant Very Resistant
Vapour Side Conditions
Feedwater Heaters working under cyclic conditions Exfoliation Attack Resistant Susceptible
Non-condensable gases † Local Attack & General Thinning Highly Resistant Most Resistant
Hydrogen Sulphide in Desalination Plant General Attack Less Resistant Resistant ‡

* Local velocities caused by obstructions can be very high.

† lf concentration of CO2 is extremely high, stainless steel may be better cholce.

‡ Attack will increase in concentration or temperature.

Comparison of the mechanical & physical properties of copper, important copper and unalloyed steel

Material group Expansion coefficient [10-6 / K] electrical conductivity [m / (ohm * m ^ 2] Thermal conductivity at 20 ° C [W / m * K] 0.2% strain limit Rp0.2 approximately [N / mm ^ 2] Tensile strength Rm min. [N / mm ^ 2] Break elongation A min. [%]
Cu 17 60 395 40-80 200 – 250 Max. 60
CuZn 18 – 20.3 15.0 – 33.3 117 – 243 60 – 420 240 – 460 4 – 20
CuNiZn 16.5 – 17 3.5 – 4.0 27 – 33 270 – 580 380-650 0 – 9
CuSn 18.4 – 18.5 7.5 – 10 67-85 220 – 550 330 – 620 0 – 5
CuNi 14.5 – 17.6 2.04 – 6.4 21 – 48 90 – 500 280 – 560 0 – 14
CuAl 17.0 – 18 5 – 10 40 – 83 110 – 680 350 – 830 0 – 25
Steel, unalloyed 12 5.5 – 7 48 – 58 175-355 290 – 630 18-26

Nickel Copper Fouling Resistance in Quiet Sea Water compare to Various Alloys

Arbitrary Rating Scale of Fouling Resistance Rating Materials
90-100 Best Copper
90/10 Copper Nickel Alloy
70-90 Good Brass & Bronze
70/30 Copper Nickel Alloy
50 Fair Aluminium Bronzes
10 Very Slight Zinc
Monel 400 (Nickel Copper Alloy)
Carbon and Low Alloy Steels
0 Least Stainless Steels
Nickel Chromium Molybdenum Alloys
Titanium

Equivalent of copper nickel grades

Alloy Name BS UNS BS EN Others
Copper Nickel 90/10 CN102 C70600; C70610 CW352H 2.0872
Copper Nickel 70/30 / NES 780 CN107 C71500; C71520 CW354H NES780
DEF STAN 02-835 C72420 DGS357
NIBRON SPECIAL® DTD900/4805 C72400 2.1504
DTD498 / BSB25 DTD498 C64700 CW111C BSB25
COLSIBRO® DTD498 C64700; C18000 CW111C 2.0855
TROJAN C70250; C70252 CW112C 2.0857
Beryllium Copper (BECOL-25) CB101 C17200 CW101C ASTM B196; CDA 17200
CHROMZIRC-3 CC101 C18200 CW105C BS 4577 A/2/1
CHROMZIRC-328 CC102 C18150 CW106C BS4577 A/2/2; ISO5182
COLDUR-A® CS101 C65500; C65600 CW116C ASTM B98; ASTM B249
COLDUR-B C65100 CW115C ASTM B98

Why copper-nickel is required in Navy?

The reason why copper-nickel is required in Navy is because it shows excellent corrosion resistance to sea water, it has low macrofouling rates and it also has superb fabricability. As copper-nickel is resistant to sea water, it is used in hulls, propellers and crankshafts of fishing boats, tugboats, working boats and other types of boats. Copper-nickel is also used in marine hardware and in seawater system condensers.

Where are copper-nickel scrap buyers & why?

The answer to where are copper-nickel scrap buyers & why, is that there are scrap buyers of copper-nickel located all over the globe. The reason for this is because there is a huge demand for copper-nickel all over the world, as it is used in many applications and industries. Copper nickel scrap plays a very important role in many different kinds of industries, all over the globe. Also, there is a lot of money to be made from selling and trading in copper nickel scrap. This is why there are so many sellers and traders of copper nickel scrap today, selling this kind of scrap, in all parts of the globe.

Special Steel

Scroll to Top