Copper Nickel 70/30 Flanges Supplier. ASTM A151 Cupro Nickel 70/30 Flanges Manufacturer in India.

Copper Nickel 70/30 Flanges Supplier, Manufacturer

Unichem Steel & Alloy Pvt. Ltd. is leading Cupro Nickel 70/30 Body Flanges, ANSI B16.47 Series A & B Flanges, Cupro Nickel 70/30 Blind Flanges manufacturers in India. ASTM B61 Copper Nickel Slip On Flanges stronger than the additional common copper nickel 90/10 and able to withstand corrosion at higher velocities in marine applications. We are supplying Cu-ni 70/30 Threaded Flanges, Copper Nickel 70/30 Spectacle Blind Flanges, Cupro Nickel 70/30 Flanges & ANSI B16.5 Cupro Nickel 70-30 Flange at affordable price. Copper Nickel 2.0882 Spectacle Blind Flanges are also being offered in different sizes and shapes to our customers. We offer you a vast range of 2.0882 Plate Flanges, Copper Nickel 70/30 Pipe Flanges in Stock in various sizes. Cu-ni Uns C71500 Ring Joint Flanges offers excellent resistance to atmospheric corrosion. Copper Nickel 70/30 Weld Neck Flanges as well have significant embellishments of Manganese and Iron which are essential to preserving excellent corrosion resistance. Unichem Steel & Alloy Pvt. Ltd. is supplying Cu-Ni 70/30 Flanges, ASTM B 564 Copper-Nickel 70-30 Blind Flanges, UNS C71500 Flanges to West-Bengal, Ghaziabad, Chhattisgarh, Vadodara, Rajkot, Delhi, Maharashtra, Nagpur, Karnataka, Uttar-Pradesh, Punjab, Aurangabad, Ahmedabad, Jaipur, Rajasthan, Bangalore, Karnataka, Khopoli, Kolkata, Ludhiana, Indore, Gujarat, Tamil-Nadu, Pune, Raipur, Chennai(Madras), Kolhapur, Gurgaon, Haryana, Bhosari, Madhya-Pradesh, Faridabad. The product separation depends on the chief completion of Cu-ni 70/30 Awwa Flanges with the least burr at the edge.

Largest Manufacturer and Stockist of ASME SA151 Cupro Nickel 70/30 Flanges, Copper Nickel 70/30 Slip-on, Weld Neck, High Hub Blind, Raised Face, Socket Weld, Orifice, Ring Type Joint, Threaded, Lap Joint, Square, Long Weld Neck, Spectacle Blind, Paddle Blind, Ring Spacer, Tongue and Groove, Backing Ring, Nipoflange, Weldoflange, Forged, Male & Female, Reducing, Expander Flanges in Mumbai

Most Trusted Supplier and Exporter of ASTM A151 Copper Nickel 70/30 Flange, UNS C71500 Pipe Flanges, WNR 2.0882 Flange, 150# Cupro Nickel 70/30 Flange, ASTM A151 Cupro Nickel 70/30 Flange in South Africa, Saudi Arabia, Spain, Kuwait, Singapore, Malaysia, UAE, Italy, Nigeria, Iraq, Thailand, Turkey, Vietnam, Oman, Qatar, Myanmar, Sri Lanka.

ANSI B16.5 Cupro Nickel 70 / 30 Flanges Specifications


ASME SA151 / ASTM A151.

Standards / Dimensions

ANSI B16.47, MSS SP44, ANSI B16.5, Series A & B, ASA, API-605, AWWA, B16.48, BS 10, BS4504, EN-1092, DIN.

Size Range

1/2″(15 NB) to 48″(1200NB).

ANSI B16.5 Cupro Nickel 70 / 30 Flanges Specifications
Flange Class

150#, 300#, 400#, 600#, 900#, 1500#, 2500#.

Flange Face Type

Flate Face (FF), Ring Type Joint (RTJ), Raised Face (RF).


PN6, PN10, PN16, PN25, PN40, PN64 etc.

Leading Manufacturers of Different Types of ASTM A151 Copper Nickel 70/30 Flanges (WERKSTOFF NR. 2.0882 / UNS C71500) in the form of Slip on Flange | Weld Neck Flange | High Hub Blind Flange | Raised Face Flange | Socket Weld Flange | Orifice Flange | Ring Type Joint Flange | Threaded Flange | Lap Joint Flange | Square Flange | Long Weld Neck Flange | Spectacle Blind Flange | Paddle Blind Flange | Ring Spacer Flange | Tongue and Groove Flange | Backing Ring Flange | Nipoflange | Weldoflange | Forged Flange | Male & Female Flange | Reducing Flange | High Hub Blind Flange | Expander Flange | ANSI Flange | ASME Flange | BS Flanges | DIN Flanges | EN Flanges at Best Prices in India.

ASTM A151 Cupro Nickel 70/30 Flanges Types

Copper Nickel 70/30 Pipe Flanges Equivalent Grades

Cupro Nickel 70/30 2.0882 C71500

Cu-Ni 70/30 Flanges Chemical Composition

Grade Cu Mn Pb Ni Fe Zn
Cupro Nickel 70/30 65 min 1.0 max 0.05 max 29-33 max 0.4-1.0 max 1 max

ASTM B 151 Copper Nickel 70-30 Blind Flanges Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
0.323 lb/in3 at 68 F 2260 F 50000 psi 20000 psi 30 %

Why Purchase From Unichem Steel & Alloy Pvt. Ltd.

  • We at, Unichem Steel & Alloy Pvt. Ltd. design ASTM B61 Copper Nickel Slip On Flanges to the specific pressure ratings; 150lb, 300lb, 400lb, 600lb, 900lb, 1500lb, and 2500lb to satisfy all needs of varied industries in India and Overseas.
  • We are producing Copper-Nickel 2.0882 Spectacle Blind Flanges using different dimensional standards such as American Standard Flanges (ANSI/ASME/AWWA), South African Standard Flanges (SABS / SANS), German Standard Flanges (DIN), Russian Standard Flanges (GOST), European Standard Flanges (EN), Petroleum Standard Flanges (API), Japanese Standard Flanges (JIS), MSS Standard Flanges (MSS-SP), British Standard Flanges (BS).
  • For Cu-ni Uns C71500 Ring Joint Flanges making we have world-class machinery. In-house CNC, Lathe Machines as well as punch dyes required for the production of Copper Nickel 70/30 Weld Neck Flanges. Testing facilities like PMI Machine, Spectro machine, Hardness Test, Mechanical test, Hydrostatic Testing, Pressure testing, Ultrasonic Testing, and manual inspection of gauge.
  • We strive for quality production of Cu-ni 70/30 Awwa Flanges. We adequately test raw materials and conform to DIN, EN, MSS, ANSI, ASTM, ASME, JIS Standards to make the highest quality ANSI/ASME B16.5 Cupro Nickel 70/30 Body Flanges. It is provided with 100% Radiography Test Report and Third Party Inspection or Buyer Inspection service is available on finished products.
  • Unichem Steel & Alloy Pvt. Ltd. is an expert in manufacturing custom size Cupro Nickel 70/30 Blind Flanges with accurate dimensions and uniform wall thickness.
  • As leading exporters and suppliers we keep a buffer stock of Cu-ni 70/30 Threaded Flanges in the size range of 1/2″(15 NB) to 48″(1200NB). In order to meet the off-hand requirement of our buyers.
  • Copper Nickel 70/30 Spectacle Blind Flanges are packaged to ensure that there is no damage during transit. In the case of exports, products are packed in wooden cases to make sure that flanges can be reached to the client in the same form as it is manufactured. All Cupro Nickel 70/30 Flanges are marked with Size, Grade, Lot No, and our trademark. On special requests we make custom marking on Flanges.
  • In stock flanges to satisfy any urgent needs of customers using international standards: DIN EN 1092-1 covers Blind Flange EN Type 5 and DIN 2527, Threaded Flange EN Type 12 and DIN 2558/2565/2569, Weld Neck Flange EN Type 11 and DIN 2627–2638, Flat Flange EN Type 1 and DIN 2573/2578, Lapped Flange EN Type 2 / Type 4 and DIN 2641/2622/2655/2656.
  • We provide Material Test Certificates (MTC) as per EN 10204 3.2 and EN 10204 3.1, Test Certificates certifying NACE MR0175, NACE MR0103.
  • No minimum quantity order limit. Get Market leading prices on all types of ANSI B16.5 Cupro Nickel 70-30 Flange in India.

In Stock Grades of 70/30 Cu-Ni Forged Flanges

Cupro Nickel 70-30 Slip on Flanges Manufacturing Standards

German Steel Flanges Standard
DIN 2527 Steel Blind Flanges, BLRF
DIN 2573 / 2576 Flat Flange for Welding (Slip On)
DIN 2673 Loose Flanges and Rings for Welding (Slip On Flanges and Plain Collars)
DIN 2641 / 2642 Lapped / Loose (Lap Joint) Flanges Plain Collars
DIN 28115 Long Neck Welding Flanges
DIN PN10, PN16 Cupro Nickel 70/30 PN10 Flanges, 70/30 Copper Nickel DIN PN 10 Flanges, 70/30 Copper Nickel PN16 Flange
DIN PN20, PN25 Cupro Nickel 70/30 PN20 Flanges, 70/30 Copper Nickel® DIN PN 25 Flanges
DIN PN40, PN50 Cupro Nickel 70/30 PN40 Flanges, 70/30 Copper Nickel DIN PN 50 Flanges
American Steel Flanges Standard
Standard Code Standard Name
ANSI ASME SB-564 Forged Flanges
ANSI ASME B16.5 Slip on flange, Welding neck flange, Blind flange, Threaded flange, Lap joint flange, RTJ flange
ASME – B 16.47 Welding neck flange, Blind flange
ASME – B 16.36 Welding neck flange Slip on flange
Japanese Steel Flanges Standard
JIS Cu-Ni 70/30220 Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL)
JIS Cu-Ni 70/30291 Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL)
JIS 5K, 10K Copper Nickel 5K SORF Flanges, 70/30 Copper Nickel 10K SOFF Flanges
JIS 16K, 20K Copper Nickel 16K Blind Flanges, 70-30 Cu-Ni 20K BLRF Flanges
JIS 30K, 40K Copper Nickel 30K Slip on Flanges, 70/30 Copper Nickel 40K Blind Flanges
British Standard Pipe Flanges Standard
BS 10 Table D Copper Nickel BS 10 Table D Flanges, Cu-Ni 70/30 Table D Pipe Flange
BS 10 Table E Copper Nickel BS 10 Table E Flanges, Cu-Ni 70/30 Table E Pipe Flange
BS 10 Table F Cupro Nickel 70/30 BS 10 Table E Flanges, 70/30 Copper Nickel Table E Flanges
BS 10 Table H Copper Nickel BS 10 Table E Flanges, Cupro Nickel 70/30 Table E Pipe Flanges
Italian Flanges Standard
UNI FLANGES Plan flanges (2276, 2277, 2278, 6083, 6084) Welding neck (2280, 2281, 2282, 2283, 2284, 2285, 2286) Lapped flanges (6088, 6089, 6090, 2999, 2300) Blind flanges (6091, 6092, 6093, 6094, 6095, 6096, 6097) threaded flanges (2253, 2254)

ASME SB 151 70/30 Lap Joint Flanges Applications and Uses

  • Power Plant / Power Generation
  • Fertilizers
  • Oil & Gas
  • Refineries
  • Chemical Industry
  • Pulp and Paper Industry
  • Petrochemicals
  • Engineering Project
  • Environmental and Water Projects
  • Boiler Manufacturers
  • Pumps and Valves
  • Cement Industries
  • Aerospace Industry
  • Nuclear Industry
  • Construction
  • Ship Building Companies
  • Thermal Processing
  • Pharma Industry
  • Off-Shore Oil Drilling Companies
ASME SB 151 70/30 Lap Joint Flanges Applications and Uses

Copper Nickel 70-30 Socket weld Flanges Type, Pressure Class, & Size

Specification Item Type Pressure Class Size Range
ASME/ANSI B16.36 Orifice Flanges (Slip-on, Weld neck, Threaded) 300 To 2500LBS 1″ to 12″
ASME/ANSI B16.5 Slip-on, Socket Weld, Blind, Weld Neck, Threaded and Lap Joint Flanges 150 to 2500LBS
150 to 1500LBS
26“ to 60″
26“ to 48″
BS 10 Blind, Slip-on and Welding neck flanges TABLE-A, D, E, F, H, J, K, R, S, T 15mm to 600mm
ASME/ANSI B16.9/MSS SP-43 Stub end -Type:A, B, C (Short pattern) S10, S40, S80 ½” to 24”
ASME/ANSI B16.47 Orifice Flanges (Slip-on, Weld neck, Threaded) 75 to 300LBS
400, 600LBS
1/2“ to 12″
26“ to 60″
26“ to 48″
EN 1092-1 / DIN / BS 4504 Flanges 01 (Plate flange), 02 (Loose plate flange for Types 32—37), 04 (Loose plate flange for Type 34), 05 (Blind flange), 11 (Weld-neck flange), 12 (Hubbed slip-on flange), 13 (Hubbed PN2.5 to PN16
PN160, PN250
10mm to 1800mm
10mm to 1000mm
10mm to 600mm
10mm to 400mm
10mm to 350mm
10mm to 300mm
10mm to 250mm
10mm to 200mm

Ready Stock of Copper Nickel 70-30 RTJ Flanges in India

Copper Nickel 70/30 Flanges Cupro Nickel 70/30 Flanges
Cu-ni 70/30 Slip On Flanges Cupro Nickel 70/30 Weld Neck Flanges
Cu-ni 70/30 Long Weld Neck Flanges Cupro Nickel 70/30 Awwa Flanges
Cu-ni 70/30 Body Flanges Cupro Nickel 70/30 Blind Flanges
Copper Nickel 70/30 Threaded Flanges Cupro Nickel 70/30 Paddle Blank Flanges
ASTM B61 Paddle Spacer Flanges Copper Nickel 2.0882 Spectacle Blind Flanges
ANSI B16.5 Ring Joint Flanges ASTM, ASME, ANSI Flanges
Copper Nickel 70/30 RTJ Flanges Cupro Nickel 70/30 Forged Flanges
Cu-ni 70/30 Loose Flanges Cu-ni 70/30 Screwed Flanges
Copper Nickel 70/30 BLRF Flanges Cupro Nickel 70/30 Plate Flanges
ANSI B16.5 Copper Threaded Flanges 70/30 Copper Industrial Flanges

70/30 CuNi Orifice Flanges Exporter

EUROPE: Albania, Austria, Belgium, Croatia, Czech Republic, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Malta, Netherlands, Norway, Portugal, Russia, Slovakia, Slovenia, Spain, Switzerland, UK, Ukraine.
ASIA: Bangladesh, Cambodia, India, Indonesia, Japan, Malaysia, Maldives, Myanmar, Singapore, South Korea, Sri Lanka, Taiwan, Thailand, Vietnam.
AFRICA: Algeria, Angola, Egypt, Equatorial Guinea, Gabon, Libya, Nigeria, South Africa, Sudan, The Republic Of Congo.
MIDDLE EAST: Bahrain, Cyprus, Iran, Iraq, Jordan, Kuwait, Oman, Qatar, Saudi Arabia (KSA), Syria, Turkey, United Arab Emirates (UAE), Yemen.
NORTH AMERICA: Bahamas, Canada, Costa Rica, Denmark, Jamaica, Mexico, Panama, Puerto Rico, Trinidad And Tobago, USA.
SOUTH AMERICA: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Uruguay, Venezuela.

Copper Nickel 70-30 Weld Neck Flanges Supplier

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

Contact us to get a quick quote for Copper Nickel 70/30 Long Weld Neck Flanges.


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