High Elasticity CuNi44 Micro Wire for Precision Springs, Fatigue & Creep Resistant

• Customization: Available
• Certification: RoHS, CB, CCC, ISO9001, CE
• Type: CuNi Wire
• Model NO.: CuNi44
• Material: Ni-Cu
• Form: Heating Wire
• Shape: Round
• Material Grade: CuNi44
• Chemical Composition: Cu≥63.5%, Ni 43-45%
• Diameter Range: 0.05mm-6.0mm Customizable
• Tensile Strength: 350-700 MPa Dependent on Temper
• Elongation: ≥15% Annealed
• Density: 8.94 G/Cm³
• Corrosion Resistance: Excellent (Resists Seawater, Acid Fumes, Industria
• Operating Temperature: -200ºC-+300ºC
• Typical Applications: Marine Cables, Chemical Heat Exchangers
• Transport Package: Carton/Wooden Pallate/Wooden Case
• Trademark: Victory
• Origin: China
• HS Code: 7408290000
• Production Capacity: 1000000ton/Year
• Package Size: 30.00cm * 20.00cm * 20.00cm
• Package Gross Weight: 3.000kg

Product Description

Product Overview

CuNi44 micro wire is a copper-nickel alloy precision wire containing 43-45% nickel, featuring exceptional corrosion resistance and stable electrical/thermal properties, designed for demanding industrial applications.

Material Properties

Composition
Cu≥63.5%, Ni 43-45%, Mn 0.1-1.0%, Fe≤0.5%

Density
8.94 g/cm³

Melting Point
1170-1240℃

Resistivity
0.49 μΩ·m (20℃)

Specification

Properties/Materials	Resistivity (200C μΩ.m)	Max Working Temperature (ºC)	Tensile Strength (Mpa)	Melting Point (ºC)	Density (g/cm³)	TCR X 10^(-6)/ºC (20-600ºC)	EMF vs Cu (μV/ºC)(0-100ºC)
NC003 (CuNi1)	0.03	200	210	1085	8.9	<100	-8
NC005 (CuNi2)	0.05	200	220	1090	8.9	<120	-12
NC010 (CuNi6)	0.1	220	250	1095	8.9	<60	-18
NC012 (CuNi8)	0.12	250	270	1097	8.9	<57	-22
NC015 (CuNi10)	0.15	250	290	1100	8.9	<50	-25
NC020 (CuNi14)	0.2	300	310	1115	8.9	<30	-28
NC025 (CuNi19)	0.25	300	340	1135	8.9	<25	-32
NC030 (CuNi23)	0.3	300	350	1150	8.9	<16	-34
NC035 (CuNi30)	0.35	350	400	1170	8.9	<10	-37
NC040 (CuNi34)	0.4	350	400	1180	8.9	0	-39
NC050 (CuNi44)	0.5	400	420	1200	8.9	<6	-43

Product Description

Packing & Delivery

Company Profile

FAQ

Q: What are the main differences between CuNi44 and CuNi6?
A: Nickel content: CuNi44 contains 43-45% Ni vs CuNi6's 5.5-6.5%

Resistivity: CuNi44 (0.49 μΩ·m) is much higher than CuNi6 (0.019 μΩ·m)
Applications: CuNi44 for corrosion resistance, CuNi6 for precision resistors

Q: What is the service life in seawater environments?
A: In room-temperature seawater, corrosion rate <0.002mm/year, theoretical service life >30 years (with maintenance)

Q: Are you a trading company or manufacturer?
A: We're manufacturer.

Q: Could you help to design the product?
A:  Yes, we have excellent R&D team, OEM/ODM orders are all welcome.

Q: Could you supply samples?
A: Yes, wecould supply samples according to your requirement.

Q:Could we visit your factory?
A: Sure, factory visit is warmly welcome.

Q. What is your working time? 

A. Monday- Saturday : 7: 30AM-17: 00PM (Beijing time, GMT+08. 00)

We have public holiday during May.1-3, Oct. 1-7 and Chinese New Year holiday. Please email us during our holiday if u have any question. 
 
Q. Do you provide free samples? 
A. Yes, we can provide a free sample for testing, buyer should bear all the shipping costs. 
 
Q. What is your payment terms? 
A. T/T, L/C, D/A, D/P, Western Union, MoneyGram, Paypal 
 
Q. What is the lead time? 
A. Usually sample lead time is 7 days after payment has been confirmed.