Copper Nickel Flanges

Farmer’s Copper Ltd. maintains a broad inventory of Copper Nickel C70600 (90/10) and C71500 (70/30) flanges. Copper Nickel has proven to be very resistant to seawater, brine water, organic compounds, salts, diluted non-oxidizing acids, and more. Due to a high resistance towards marine organisms such as barnacles, Copper Nickel is commonly used in seawater piping systems.

Typical Applications

Seawater piping systems
Pressure vessels piping outlets

Farmer’s Copper Ltd. has been serving the metal industry for over 90 years by building strong business relationships and achieving the wants and needs set by our customers. Our knowledgeable sales teams are always willing to assist you with you and your company’s copper nickel needs!

Flanges for C70600/C71500

Slip-on, threaded, blind, Weld-neck Flanges

C70600

Fabrication Properties
Joining Technique	Suitability
Soldering	Excellent
Brazing	Excellent
Oxyacetylene Welding	Fair
Gas Shielded Arc Welding	Excellent
Coated Metal Arc Welding	Good
Spot Weld	Good
Seam Weld	Good
Butt Weld	Excellent
Capacity for Being Cold Worked	Good
Capacity for Being Hot Formed	Good
Machinability Rating	20

Chemical Composition
(%max., unless shown as range or min.)
	Cu(1)	Fe	Pb	Mn	Ni(2)	Zn
Min./Max.	Rem.	1.0-1.8	.05	1.0	9.0-11.0	1.0
Nominal	88.6	1.4	-	-	10.0	-

C71500

Fabrication Properties
Joining Technique	Suitability
Soldering	Excellent
Brazing	Excellent
Oxyacetylene Welding	Good
Gas Shielded Arc Welding	Excellent
Coated Metal Arc Welding	Excellent
Spot Weld	Excellent
Seam Weld	Excellent
Butt Weld	Excellent
Capacity for Being Cold Worked	Good
Capacity for Being Hot Formed	Good
Machinability Rating	20