Home page

Old Kang Copper 6J40

Constantan 6J40 resistance alloy is mainly composed of nickel, copper, iron and manganese. It has high density and melting point, low thermal expansion coefficient, good resistivity and magnetic properties. In addition, it also has good corrosion resistance, high temperature stability and mechanical properties. Constantan 6J40 resistance alloy is widely used in electronic equipment, instrumentation, aerospace and other fields. The chemical composition and physical properties will be described in detail below.

Classification:

Copper-nickel alloy

Keyword: Old Kang Copper 6J40

Product inquiry

Related Products

1. chemical composition

Alloy	%	Phosphorus	Sulphur	Nickel	Carbon	Manganese	Silicon	Copper	Iron	Aluminum
6J40	Minimum			39.0		1.0
6J40	Max.	0.020	0.020	41.0	0.10	2.0	0.10	Allowance	0.5	0.01

Main technical data of 2. copper-nickel resistance alloy

Material name	Resistivity	Resistance temperature Coefficient X10^-5/°C	Melting Point	Specific Gravity g/cm³	specific heat j/gk (20°C)	conductivity coefficient w/mk 20℃	thermoelectric potential for copper 0-100 ℃
CuNi40	0.48	<-5	1250	8.9	0.41	23	-41

3. varieties and specifications

Variety		Specifications
Wire	round wire	F0.15 ~ 13.00mm
Strip	cold rolling	0.15 to 4 × 200mm
Strip	hot rolling	4 to 22 × 200mm
Non-standard can support customization

Related Products

Get product information

Welcome your message, we will reply to you in time after receiving the message!

Submit

Telephone: +86-18252977791

Telephone: +86-15240277999

E-mail: wy9311060318@163.com

Address: Caita Village, Lvcheng Town, Danyang City, Jiangsu Province

Scan code to add WeChat

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

required

These cookies are necessary for basic functions such as payment. Standard cookies cannot be turned off and do not store any of your information.

analyze

These cookies collect information, such as how many people are using our site or which pages are popular, to help us improve the customer experience. Turning these cookies off will mean we can't collect information to improve your experience.

Feature

These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

advertise

These cookies help us understand what you are interested in so that we can show you relevant advertising on other websites. Turning these cookies off will mean we are unable to show you any personalized advertising.

Business License

Danyang Lihang Alloy Technology Co., Ltd.

Old Kang Copper 6J40