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Flange Type : Welding Neck (WN)
Corrosion Resistance : Forged
Applicable Standard : ASME B16.5, EN 1092-1, DIN
Compatible Systems : Marine, Offshore, Desalination & Cooling Water
Material Grade : UNS C70600 / 90-10 Copper Nickel
Manufacturing Process : Forged & CNC Machined
Brand Name : YUHONG
Model Number : B151 UNS C70600 Welding Neck Flange
Certification : ISO/API/PED
Place of Origin : CHINA
MOQ : 1PCS
Price : Negotiable
Payment Terms : T/T, L/C at sight
Supply Ability : 1000 pcs per month
Delivery Time : Depending on QTY
Packaging Details : Wrapped with protective film and packed in seaworthy plywood cases or wooden pallets.
Pressure Rating : Class 150–2500 / PN10–PN100
Facing Type : Raised Face (RF), Flat Face (FF), RTJ
ASTM B151 C70600 Copper Nickel Welding Neck Flange
Product Introduction
Forged Copper Nickel Welding Neck Flanges for Marine and Industrial Piping
C70600 Copper Nickel Welding Neck Flanges are manufactured from 90/10 copper-nickel alloy and designed for welded piping systems requiring reliable corrosion resistance and mechanical strength. The long tapered hub helps reduce stress concentration at the weld, making WN flanges suitable for pressure piping, seawater service and offshore installations.
Available in ASME, DIN and EN flange dimensions, these flanges can be supplied with Raised Face (RF), Flat Face (FF) or Ring Type Joint (RTJ) sealing surfaces according to project specifications.
Technical Specifications
|
Item |
Specification |
|---|---|
|
Product Name |
C70600 Copper Nickel Welding Neck Flange |
|
Material Grade |
UNS C70600 / CuNi10Fe1Mn |
|
Flange Type |
Welding Neck (WN) |
|
Standard |
ASME B16.5, EN 1092-1, DIN |
|
Pressure Rating |
Class 150–2500 / PN10–PN100 |
|
Facing Type |
RF, FF, RTJ |
|
Manufacturing Process |
Forged & CNC Machined |
|
Surface Finish |
Machined or Pickled |
|
Inspection |
PMI, Dimensional Inspection, Hydrostatic (if required) |
|
Certificate |
EN 10204 3.1 |
Product Features
Forged construction for reliable pressure service
90/10 copper-nickel alloy with excellent seawater corrosion resistance
Smooth transition hub to reduce welding stress
Available in ASME, DIN and EN dimensions
Custom drilling and dimensions available
Typical Applications
Marine Piping Systems
Offshore Platforms
Seawater Cooling Systems
Desalination Plants
Shipbuilding
Power Plants
Heat Transfer Equipment
Fire Water Systems
Equivalent Material Grades
|
Standard |
Grade |
|---|---|
|
UNS |
C70600 |
|
EN |
CuNi10Fe1Mn |
|
DIN |
2.0872 |
|
ISO |
CuNi10Fe1Mn |
|
GB/T |
B10 Copper Nickel |
Recommended Custom Attributes
|
Attribute |
Value |
|---|---|
|
Material Grade |
UNS C70600 / 90-10 Copper Nickel |
|
Flange Type |
Welding Neck (WN) |
|
Facing Type |
RF, FF or RTJ |
|
Manufacturing Process |
Forged & CNC Machined |
|
Pressure Rating |
Class 150–2500 / PN10–PN100 |
|
Applicable Standards |
ASME B16.5, EN 1092-1, DIN |
|
Surface Finish |
Machined, Pickled |
|
Compatible Systems |
Marine, Offshore, Seawater & Process Piping |
FAQ
It is widely used in seawater piping, offshore platforms and marine engineering.
ASME B16.5, EN 1092-1 and DIN dimensions can be supplied according to project requirements.
Yes. Flanges can be produced according to customer drawings and specifications.
EN 10204 3.1 material certificates, PMI and dimensional inspection reports are available.

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C70600 / DIN 2.0872 Copper Nickel Welding Neck Flange ASME B16.5 Raised Face Images |