Our main products Cr20ni80 include Iron chromium aluminum,nickel chromium two series products.Various types and specifications of resistance heatingwire,resistance strip products are widely used in industrial furnace,civil electrical appliances,rail transit braking resistor,central grounding resistance,automobile exhaust purification honeycomb carrier and other fields .
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 temperature℃ | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
Meltiing point ℃ | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
Density g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Resistivity | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | ||
μΩ·m,20℃ | |||||||
Elongation at rupture | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
Specific heat | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | ||
J/g.℃ | |||||||
Thermal conductivity | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | ||
KJ/m.h℃ | |||||||
Coefficient of lines expansion | 18 | 17 | 17 | 19 | 19 | ||
a×10-6/ | |||||||
(20~1000℃) | |||||||
Micrographic structure | Austenite | Austenite | Austenite | Austenite | Austenite | ||
Magnetic properties | Nonmagnetic | Nonmagnetic | Nonmagnetic | Weak magnetic | Weak magnetic |
Size Range | Wire | Ribbon | Strip | Rod | ||||
dia 0.03-7.5mm | dia 8.0-12.0mm | (0.05-0.35)*(0.5-6.0)mm | (0.50-2.5)*(5-180)mm | 8-50mm |
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 |
We are doing the best to match your demand. |
What is the lead time? |
Usually sample lead time is 7 days after payment has been confirmed. |
Normal order is 10-30days,it depends on customers' quantity. |
Anyway,we try to offer good-quality products as soon as possible. |