Factory price Eureka Constantan CUNI alloy Electrical Resistance Strip

• Customization: Available
• Product Type: Strip
• Material: NiCr
• Model NO.: Constantan
• Carbon Content: Low Carbon
• PCD: No
• ET: No
• Hole: No
• Name: Copper nickel alloy strip
• Resistivity: 0.49
• thickness: 0.005mm Min.
• width: 1.0mm Min.
• Surface: Bright
• Purity: 44% Ni
• shape: constantan strip, ribbon, tape
• sample: accepted
• Density: 8.9 g/cm3
• standard: GB/ASTM
• Transport Package: Waterproof Paper, Plywood Pallet
• Specification: RoHs, ISO 9001
• Trademark: TANKII
• Origin: Shanghai, China
• HS Code: 7409400000
• Production Capacity: 2000 Tons/Year

Product Description

Constantan Electrical Resistance Strip
Eureka Strip/Constantan Sheet/Constantan Strip

Chemical Content:Cu 55%, Ni45%

Electrical Resistivity: 0.49 ohm mm2/m

Producer: Shanghai Tankii Alloy Material Co.,Ltd.

CuNi alloy are widely used for marine applications due to their excellent resistance to seawater corrosion, high inherent resistance to biofouling and good fabricability. They have provided reliable service for several decades whilst offering effective solutions to todays technological challenges.

Chemical Composition and Main Property of Cu-Ni Low Resistance Alloy
Properties\Grade		CuNi1	CuNi2	CuNi6	CuNi8	CuMn3	CuNi10
Main Chemical Composition	Ni	1	2	6	8	_	10
	Mn	_	_	_	_	3	_
	Cu	Bal	Bal	Bal	Bal	Bal	Bal
Max Continuous Service Temperature(oC)		200	200	200	250	200	250
Resisivity at 20oC (Ωmm2/m)		0.03	0.05	0.10	0.12	0.12	0.15
Density(g/cm3)		8.9	8.9	8.9	8.9	8.8	8.9
Thermal Conductivity(α×10-6/oC)		<100	<120	<60	<57	<38	<50
Tensile Strength(Mpa)		≥210	≥220	≥250	≥270	≥290	≥290
EMF vs Cu(μV/oC)(0~100oC)		-8	-12	-12	-22	_	-25
Approximate Melting Point( oC)		1085	1090	1095	1097	1050	1100
Micrographic Structure		austenite	austenite	austenite	austenite	austenite	austenite
Magnetic Property		non	non	non	non	non	non
Properties\Grade		CuNi14	CuNi19	CuNi23	CuNi30	CuNi34	CuNi44
Main Chemical Composition	Ni	14	19	23	30	34	44
	Mn	0.3	0.5	0.5	1.0	1.0	1.0
	Cu	Bal	Bal	Bal	Bal	Bal	Bal
Max Continuous Service Temperature(oC)		300	300	300	350	350	400
Resisivity at 20oC (Ωmm2/m)		0.20	0.25	0.30	0.35	0.40	0.49
Density(g/cm3)		8.9	8.9	8.9	8.9	8.9	8.9
Thermal Conductivity(α×10-6/oC)		<30	<25	<16	<10	<0	<-6
Tensile Strength(Mpa)		≥310	≥340	≥350	≥400	≥400	≥420
EMF vs Cu(μV/oC)(0~100oC)		-28	-32	-34	-37	-39	-43
Approximate Melting Point( oC)		1115	1135	1150	1170	1180	1280
Micrographic Structure		austenite	austenite	austenite	austenite	austenite	austenite
Magnetic Property		non	non	non	non	non	non