Nickel-chromium 90 (Ni90) tubes from Chinese suppliers
Nickel-chromium tube is a type of metallic tubing composed of nickel and chromium alloys. It is commonly used in various industries due to its excellent resistance to high temperatures, corrosion, and oxidation. The tube is known for its exceptional strength, durability, and heat resistance properties, making it ideal for applications where exposure to extreme heat or harsh environments is expected. Its seamless construction ensures a smooth internal surface, facilitating efficient fluid flow and minimizing the risk of contamination. Nickel-chromium tubes are widely employed in industries such as aerospace, chemical processing, power generation, and heat exchangers, among others.




Performance\ material | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
Composition | Ni | 90 | Rest | Rest | 55.0~61.0 | 34.0~37.0 | 30.0~34.0 |
Cr | 10 | 20.0~23.0 | 28.0~31.0 | 15.0~18.0 | 18.0~21.0 | 18.0~21.0 | |
Fe | - | ≤1.0 | ≤1.0 | Rest | Rest | Rest | |
Maximum temperatureºC | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
Meltiing point ºC | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
Density g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Resistivity at 20ºC((μΩ·m) | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | ||
Elongation at rupture | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
Specific heat J/g.ºC | - | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | |
Thermal conductivity KJ/m.hºC | - | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Coefficient of lines expansion a×10-6/ (20~1000ºC) | - | 18 | 17 | 17 | 19 | 19 | |
Micrographic structure | - | Austenite | Austenite | Austenite | Austenite | Austenite | |
Magnetic properties | - | Non-magnetic | Non-magnetic | Non-magnetic | Weak magnetic | Weak magnetic |
CHANGZHOU DLX ALLOY CO, LTD was established in 2002 and has got Iso9001 International Quality Management System Certificate and SGS Certificate. Our factory is professional in researching and producing special alloy material. From melting, drawing, heat treatment, finishing and testing .We offer nickel-based, copper-based, and iron-based alloys, including super alloy, welding materials, anti-corrosion alloy, precision alloy, FeCrAl alloy, NiCr alloy, CuNi alloy, thermocouple and etc, in the form of wire, strip, ribbon, bar, tube, plate.
Sophie Wang | Sales
International Sales Depart.
Jiangsu Victory Technology Co., Ltd
A: NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu
What is your working time and contacting information?
Oct.1-7 and Chinese New Year holiday . Pls email us during our holiday if u have any question.
Do you provide free samples?
Yes,we can provide a free sample for testing,buyer should bear all the shipping costs.
What is your payment terms?
T/T,L/C,D/A,D/P,Western Union,MoneyGram,Paypal
What is the lead time?
Usually sample lead time is 7 days after payment has been confirmed.