Copper Nickel 70/30 Buttweld Fittings Manufacturers, Suppliers & Stockist in Mumbai, India

Cupro Nickel 3D Pipe Bend, ASME SB366 Cupro Nickel 90-10 Long Stub End Manufacturer, Cu-Ni 70/30 Pipe Elbow, 70/30 Cupro Nickel Long & Short Radius Elbow, Cu-Ni UNS C71500 Seamless Pipe Fittings, Cupro Nickel 90-10 Ecentric Reducer Distributors, UNS C71500 Buttweld Pipe Fitting, ASME B16.9 Stub End Manufacturer in Mumbai, India.

Raninox Steel is a leading manufacturer & Supplier of Copper Nickel (Cu-Ni 70/30) Buttweld Fittings, Our 70/30 copper nickel (C70600) fittings are known for their exceptional resistance to seawater corrosion, biofouling, and erosion—making them the preferred choice for critical applications worldwide.

Copper Nickel 70/30 (70% copper, 30% nickel with iron and manganese additions) offers superior strength and corrosion resistance compared to 90/10 grades. It performs exceptionally well in high-velocity seawater systems and aggressive industrial environments.

About 90% copper and 10% nickel make up Copper Nickel 70/30 (Cu-Ni 70/30), an alloy with trace amounts of iron and manganese added for strength and corrosion resistance. 90° & 45° Elbows (Long & Short Radius), Equal & Reducing Tees, Concentric & Eccentric Reducers, Stub Ends, Pipe Caps, Couplings, Unions, Cross Fittings, Custom Fabricated Fittings, etc. are among the seamless and welded copper nickel 70/30 pipe fittings that we manufacture and supply.

All fittings are available in various sizes, wall thicknesses, pressure ratings, and specifications to meet diverse industrial requirements.

We are a leading Copper Nickel 70/30 Buttweld Pipe Fittings manufacturer and supplier offering precision-engineered fittings that deliver exceptional resistance to seawater corrosion, biofouling, and erosion. Our Cu-Ni 70/30 Elbow fittings (UNS C71500) are widely used in shipbuilding, heat exchangers, offshore platforms, power plants, and coastal infrastructure where long service life and reliability are critical.

Specifications for Cu-Ni 70/30 Buttweld Fittings

Grade Copper Nickel 70/30 (C71500) Werkstoff Nr. 2.0882
Standard ASTM B122, B171, B466, B467
Dimensions ASME B16.28, ASME/ANSI B16.9, MSS-SP-43
Size 1/2" to 24" NB
Form 90 Elbow, 45 Elbow, Long Radius Elbow, Short Radius Elbow, Concentric Reducer, Eccentric Reducer, Equal Tee, Unequal Tee, Lateral Tee, Cross, Bends 1.5d, 3d, 5d, 10d, U bend, 180 Deg Bend, Short Stub End, Long stub end, End Cap, Dish Cap
Schedule SCH 5 To SCH XXS
Wall Thickness from 2 to 40 mm
Type Seamless / Welded / Fabricated

Copper Nickel 70/30 Buttweld Fittings Equivalent Grades

STANDARD UNS WERKSTOFF NR.
Cu-Ni 70/30 C71500 2.0882

Copper Nickel 70/30 Buttweld Fittings Chemical Composition

Grade  Pb Zn Ni Cu Fe Mn
Copper Nickel 70/30 Pipe .05 maximum 1 maximum 29 - 33 65.0 minimum 0.4-1.0 1.0 maximum

Copper Nickel 70/30 Buttweld Fittings Mechanical Properties

Copper Nickel 70/30 Pipe Melting Point Elongation Density Yield Strength Tensile Strength
2260 F 30 % at 68 F 0.323 lb/inch 3 20000 psi 50000 psi

Copper Nickel 70/30 Buttweld Fittings Physical Properties

PROPERTY METRIC US CUSTOMARY
Density 8.94 gm/cm3 @ 20 C 0.323 lb/in3 at 68 F
Electrical Resistivity 37.4 microhm-cm @ 20 C 225.0 ohms-cmil/ft @ 68 F
Electrical Conductivity 0.027 MegaSiemens/cm @ 20 C 4 %IACS @ 68 F
Melting Point – Solidus 1171 C 2140 F
Coefficient of Thermal Expansion 16.2 . 10-6 per oC (20-300 C) 9.0 . 10-6 per oF (68-572 F)
Melting Point – Liquidus 1238 C 2260 F
Modulus of Rigidity 57230 MPa 8300 ksi
Specific Heat Capacity 377.1 J/kg . oK at 293 K 0.09 Btu/lb/oF at 68 F
Specific Gravity 8.94 8.94
Modulas of Elasticity in Tenson 152000 MPai 22000 ksi
Thermal Conductivity 29.4 W/m . oK at 20 C 17.0 Btu . ft/(hr . ft2 . oF)at 68F

UNS C71500 Welded elbow Exporter, Copper Nickel WERKSTOFF NR. 2.0882 Cross, Copper Nickel 70/30 180 Degree Elbow, 70/30 Cu-Ni Pipe Reducer, ASTM B366 Cupro Nickel 70/30 90 Dgree Elbow, ASTM B122 Concentric Reducer, Cu-Ni 70/30 Seamless Fitting, Cu-Ni 70/30 180 Deg Elbow, Cu-Ni 70/30 Pipe Bends, 70/30 Cupro Nickel 180 Deg bend in Mumbai, India.

Cupro Nickel 70/30 Elbow

Cupro Nickel 70/30 Eccwntric Reducer

Cupro Nickel 70/30 Long Stub End

Cupro Nickel 70/30 Pipe bend

Cupro Nickel 70/30 Short Stub End

Cupro Nickel 70/30 Cross

Cupro Nickel 70/30 Pipe Cap

Cupro Nickel 70/30 Equal/Unequl Tee

Dimensions Standard Of Cupro Nickel 90/ 10 Buttweld Fittings

Nominal
Pipe
Size		 Outside
Diameter		 Caps Straight Tees Straight Crosses Stub Ends
inch mm inch Length
(inch)		 Center to End
(inch)		 Center to End
(inch)		 Lap Diameter
(inch)		 Long Length
(inch)		 Short Length
(inch)
1/2 21.3 0.840 1 1 – 1 3/8 3 2
3/4 26.7 1.050 1 1 1/8 – 1 11/16 3 2
1 33.4 1.315 1 1/2 1 1/2 1 1/2 2 4 2
1 1/4 42.2 1.660 1 1/2 1 7/8 1 7/8 2 1/2 4 2
1 1/2 48.3 1.900 1 1/2 2 1/4 2 1/4 2 7/8 4 2
2 60.3 2.375 1 1/2 2 1/2 2 1/2 3 5/8 6 2 1/2
2 1/2 73.0 2.875 1 1/2 3 3 4 1/8 6 2 1/2
3 88.9 3.500 2 3 3/8 3 3/8 5 6 2 1/2
3 1/2 101.6 4.000 2 1/2 3 3/4 3 3/4 5 1/2 6 3
4 114.3 4.500 2 1/2 4 1/8 4 1/8 6 3/16 6 3
5 141.3 5.563 3 4 7/8 4 7/8 7 5/16 8 3
6 168.3 6.625 3 1/2 5 5/8 5 5/8 8 1/2 8 3 1/2
8 219.1 8.625 4 7 7 10 5/8 8 4
10 273.1 10.750 5 8 1/2 8 1/2 12 3/4 10 5
12 323.9 12.750 6 10 10 15 10 6

Copper Nickel 70/30 Buttweld Fittings Size Chart

Product Size* Wall Thickness** Seamless Welded
Elbow 1/2"-24" SCH10S~XXS √ √
8"-104"  SCH5S~80S/XS √
Tee 1/2"-24" SCH10S~XXS √ √
8"-104"  SCH5S~80S/XS √
Reducer 1/2"-24" SCH10S~XXS √ √
8"-104"  SCH5S~80S/XS √
Cap 1/2"-80" SCH10S~SCH160 √  
Lap Joint Stub End 1/2"-24" SCH5S~80S/XS √ √
8"-80"  SCH5S~80S/XS √

Copper Nickel 70/30 Buttweld Fittings Pressure Ratings

(oF) (oC) 150
-20 to 150 -29 to 66 300
200 93 265
250 121 225
300 149 185
350 177 150
400 204 -
450 232 -
500 260 -
550 288 -

Copper Nickel 70/30 Buttweld Fittings Weight Chart

DN Schedule 10S Schedule 40S Schedule 80S
900 Elbow 450 Elbow Equal tee 900 Elbow 450 Elbow Equal tee 900 Elbow 450 Elbow Equal tee
8 0.02 0.01 0.03 0.03 0.02 0.06 0.04 0.03 0.07
10 0.03 0.02 0.05 0.03 0.02 0.03 0.06 0.04 0.09
15 0.06 0.03 0.09 0.08 0.04 0.10 0.10 0.05 0.14
20 0.07 0.03 0.13 0.08 0.04 0.17 0.11 0.05 0.20
25 0.14 0.08 0.28 0.15 0.11 0.29 0.22 0.14 0.38
32 0.23 0.11 0.49 0.26 0.17 0.59 0.40 0.23 0.68
40 0.30 0.17 0.68 0.40 0.23 0.86 0.51 0.29 1.02
50 0.50 0.25 0.85 0.70 0.4 1.28 0.91 0.59 1.59
65 0.85 0.48 1.41 1.40 0.77 2.19 1.81 0.99 3.13
80 1.25 0.63 1.77 2.20 1.08 3.31 2.97 1.50 4.45
90 1.70 0.75 2.67 2.83 1.42 4.08 4.00 2.00 5.44
100 2.10 1.08 3.46 4.47 2.09 5.27 6.18 2.81 7.71
150 5.45 2.72 8.07 10.89 5.44 10.99 16.32 8.16 13.61
200 10.20 5.33 15.65 21.54 10.77 20.91 33.11 16.56 28.12
250 18.15 9.75 26.46 38.56 19.27 35.38 51.71 25.86 49.90
300 25.80 13.62 39.46 59.42 29.71 62.14 79.38 39.69 83.91
DN Schedule 10S Schedule 40S Schedule 80S
Con reducer Ecc reducer Reducing tee Con reducer Ecc reducer Reducing tee Con reducer Ecc reducer Reducing tee
40x.25 0.19 0.19 0.60 0.26 0.26 0.76 0.34 0.34 0.90
50x25 0.28 0.28 0.73 0.40 0.40 1.10 0.54 0.54 1.37
50x40 0.31 0.31 0.76 0.45 0.45 1.15 0.59 0.59 1.43
80x.50 0.55 0.55 1.56 1.00 1.00 2.91 1.79 1.79 3.91
100x50 0.78 0.78 2.94 1.50 1.50 4.48 1.95 1.95 6.55
100x80 0.87 0.87 3.04 1.74 1.74 4.64 2.33 2.33 6.79
150x80 1.82 1.82 6.86 3.95 3.95 9.68 5.51 5.51 11.57
150x100 1.96 1.96 7.10 4.07 4.07 11.94 5.96 5.96 11.97
200x100 3.01 3.01 13.46 6.55 6.55 17.98 9.23 9.23 24.18
200x150 3.19 3.19 14.08 6.74 6.74 18.82 10.12 10.12 25.31

Types Of Copper Nickel 70/30 Buttweld Fittings

Copper Nickel C71500 Buttweld 90 Deg Elbow Cupro Nickel 70/30 Buttweld 90 Deg Elbow
Copper Nickel 70/30 Butt weld Pipe Cap Manufacturer ANSI B16.9 CuNi 70/30 Stub End
CuNi 70/30 Buttweld 45 Degree Elbow Suppliers Cu-Ni 70/30 Seamless Pipe Fittings Exporter
Cu-Ni 70/30 Buttweld Equal Tee Exporter 70/30 Copper Nickel Buttweld 45 Degree Elbow
70/30 Cu-ni Welded Pipe Fittings Manufacturers ASME SB466 CuNi 70/30 Butt weld Pipe Fittings
Cu-Ni 70/30 Butt weld Cross Distributors Copper Nickel 70/30 Buttweld Reducer
Copper Nickel 70/30 Two Joint Butt weld Fittings CuNi 70/30 Pipe Reducer Stockiest
CuNi 70/30 Buttweld Pipe Nipple Copper Nickel 2.0882 Buttweld Fittings Supplier
Copper Nickel 70/30 Buttweld Unequal Tee 70/30 Cupro Nickel Pipe Fittings

Copper Nickel 70/30 Buttweld Fittings Applications & Industries

Oil & Gas

Energy

Infrastructure

Shipbuilding

Textile

Agriculture

Industrial

Food Industry

Architecture

Chemical

Automotive

Aerospace

Pharma

Condensor

Sugar

Paper & Pulp

Desalination

Suppling & Exporting of Copper Nickel 70/30 Buttweld Fittings in Countries like

Raninox Steels have exported Cu-Ni 70/30 Buttweld Fittings to over 60 countries including Afghanistan, Albania, Andorra, Angloa, Austria, Australia, Bahrain, Bangladesh, Bhutan, Brazil, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Canada, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Madagascar, Mexico, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, New Zealand, North Korea, Netherlands, Norway, Nigeria, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Sudan, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Venezuela, Vietnam, Yemen, etc.

Suppling & Exporting of Copper Nickel 70/30 Buttweld Fittings in Cities like

Raninox Steels have exported Cu-Ni 70/30 Buttweld Fittings Mumbai, Los Angeles, Muscat, Doha, Singapore, Ahmedabad, Kolkata, Cairo, Jeddah, Bangkok, Tehran, London, Dammam, Milan, Surat, Courbevoie, Madrid, Nagpur, Nashik, Montreal, Colombo, Al Khobar, Geoje-si, Chennai, Howrah, Hong Kong, Chandigarh, Kuala Lumpur, Manama, New York, Ulsan, Vung Tau, Visakhapatnam, Dubai, Bogota, Rio de Janeiro, Hyderabad, Thane, Calgary, Granada, Caracas, Baroda, Busan, Jaipur, Gurgaon, Aberdeen, Jakarta, Kuwait City, New Delhi, Ho Chi Minh City, Ludhiana, Bengaluru, Ankara, Coimbatore, Petaling Jaya, Navi Mumbai, Noida, La Victoria, Dallas, Lahore, Rajkot, Jamshedpur, Atyrau, Gimhae-si, Pune, Abu Dhabi, Moscow, Riyadh, Thiruvananthapuram, Sharjah, Haryana, Hanoi, Bhopal, Ahvaz, Ranchi, Sydney, Faridabad, Seoul, Port-of-Spain, Al Jubail, Indore, Houston, Istanbul, Perth, Brisbane, Algiers, Karachi, Secunderabad, Vadodara, Melbourne, Toronto, Edmonton, Lagos, Pimpri-Chinchwad, Santiago, Chiyoda, Ernakulam, Kanpur, Mexico City.