Factory Direct NiCr Alloy Nichrome Wire Heating Element

Ni70Cr30 resistance alloy is composed of nickel-chromium alloy. It has high resistivity, good oxidation resistance, good stability, ductility and good welding performance. The maximum applicable temperature is up to 1250 degrees, which is longer than iron-chromium-aluminum. Service life. The alloy is widely used in electric heating elements in industrial furnaces, and it is also very suitable for reducing atmospheric attack. Chemical composition%

C	P	S	Mn	Si	Cr	Ni	Al	Fe	Other
≤
0.05	0.02	0.015	0.60	0.75~1.60	28.0~31.0	Bal.	≤ 0.50	≤ 1.0	-

Mechanical performance (1.0mm)

Yield Strength	tensile strength	Elongation
Mpa	Mpa	%
430	820	30

Physical properties

Density	Resistivity at 20℃	Thermal conductivity at 20°C	Specific heat capacity at 20℃	Melting point	Maximum use temperature of the element	Magnetic
(g/cm³)	(Ωmm²/m)	(WmK)	J/gK	(℃)	(℃)
8.2	1.18	14	0.46	1380	1250	Non

Thermal expansion coefficient
Temperature	Average linear expansion coefficientx10^-6/℃
20 ℃- 1000℃	17

Resistance temperature factor (correction factor)

20℃	100℃	200℃	300℃	400℃	500℃	600℃
1	1.007	1.016	1.028	1.038	1.044	1.036
700℃	800℃	900℃	1000℃	1100℃	1200℃	1300℃
1.03	1.028	1.029	1.033	1.037	1.043	-

Supply form and specification

Alloy grade	Form	Specification
Ni70Cr30	Wire	Diameter=0.03mm~8mm
Ni70Cr30	Flat wire	Width=0.4~40mm	Thick=0.03~2.9mm
Ni70Cr30	Strip	width=8~250mm	ThickT=0.1~3.0mm
Ni70Cr30	Foil	width=6~120mm	Thick=0.003~0.1mm
Ni70Cr30	Bar	Diameter=8~100mm	Long=50~1000

NiCr alloy Series: Cr20Ni80 Cr15Ni60 Cr20Ni30 Cr20Ni35 Cr30Ni70 Cr20Ni80-NShijiazhuang Chengyuan Alloy Material Co., Ltd. is a high-tech enterprise specializing in the production of various alloy materials. It has an advanced and complete production line, including material smelting, surface cleaning, rolling, slitting, and a complete test process. Meet the corresponding quality inspection of different products. The company focuses on the production and supply of various electric heating alloys, expansion alloys, soft magnetic alloys, elastic alloys, high temperature alloys and all kinds of pure metals. The product forms include wire, flat wire, strip, plate, bar, foil, Seamless pipe, wire mesh, powder, etc. can meet the application needs of different customers. The various performance indicators of the product are strictly in accordance with the national standards. If customers put forward non-standard requirements, they can also be implemented by reference. Our products are widely used in heating equipment, machinery manufacturing, electric furnace production, instrumentation, household appliances, mineral mining, aerospace, petroleum and nuclear power and other industries, and have received good market feedback. Our products have stable delivery time, excellent quality, sophisticated packaging, and high repurchase rate. They are not only widely recognized in the domestic market, but also have a good reputation in the international market.

* OEM manufacturer * We will deliver the goods to the warehouse of the customer's agent in any city in China. * Terms of delivery: EXW, FCA, FOB, CIF, CPT, DAP * Mode of transport: Sea, Auto, Railway, Air and Express * Payment terms: Bank Transfer, Western Union, PayPal, Alipay * Quality Certificate: In order to improve the quality of products and services, with each order we provide a quality certificate for goods, which includes measured data - chemical composition, electrical resistivity, tensile strength, elongation, melting number, etc. Cheng Yuan Alloy Material Co., Ltd Email: [email protected] Tel .: +86 13673186216 +86 311 8803 3197