70/30 Copper Nickel Tube C71500 - Heanjia Super-metals Co., Ltd.

Resistance Heating Wire Industrial News

70/30 Copper Nickel Tube C71500

Firstly, it is a must to acknowledge copper nickel alloy resistance wire. We know, copper nickel alloys are solid solutions of copper and nickel with an iron addition which enhances their resistance to erosion and turbulence.

In general, copper nickel can be classified into 8 kinds as the followings:

-C70400…95-05 copper nickel

-C70600…90-10 copper nickel

-C70620…90-10 copper nickel – welding grade

-C71000…80-20 copper nickel

-C71500…70-30 copper nickel

-C71520…70-30 copper nickel --welding grade

-C71640…copper nickel-iron-manganese

-4400…..23-67 copper nickel (model)

Actually, there are other kinds but will not mention here.

Obviously, 70/30 Copper Nickel Tube C71500 is one of them.

UNS No.	Composition,%
UNS No.	Copper	Nickel, incl Cobalt	Lead,max	Manganese	Iron	Zinc
C71500	remainder	29.0-33.0	0.05	1.0 max	0.4-1.0	1.0 max

UNS No.	Temper Designation		Tensile Strength,min ksi	Yield Strength,min ksi
UNS No.	Standard	Former	Tensile Strength,min ksi	Yield Strength,min ksi
C71500	O61	annealed	52	18
C71500	HR50	drawn, and stress-relieved	72	50

Property:

1 Smooth, clean, bright on both outer and inner surfaces

2 Excellent mechanical and physical properties

3.Chemical composition strictly conform to relevant standards

4.Free from defects such as blowholes, cracks, pin hole leaks, etc.

Application range:

Copper-Nickel Alloy tube for condenser and heat-exchangers, Water Evaporators, Boiler Blowdown Heat Exchangers, air coolers, Gland Steam Condensers, Steam Ejector, Turbine Oil Coolers, Fuel Oil Heaters, Compressed Air Inter and After Coolers, Ferrules, Oil Well Pump Liner, and Distiller etc.

Use:

1)Environmentally-friendly plating-free electronic parts and components

2)Quartz oscillator

3)High-level material and electric material.

4)Aerospace industry

5)Chemical equipment

6)Shielding material for communication electronics

7)Antenna material

8)SEMI-shielding material

9)Spring contact

10)Flexible terminal

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