Detail:
Nicr/NicrFe alloys posses high electric resistance, antioxidant, high tensile stength under high temperature, good formability and weldability.it can be used for making heating element and resistor in Metallurgy, household electrical appliance and Machinery.
NiCr ALLOY TECHNICAL PARAMENTS
|
Property/Type |
Cr20Ni80 |
Cr30Ni70 |
Cr15Ni60 |
Cr20Ni35 |
Cr20Ni30 |
|
|
Main chemical(%) |
Ni |
余量Bal |
REST |
55.0~61.0 |
34.0~37.0 |
30.0~34.0 |
|
Cr |
22.0~23.0 |
28.0~31.0 |
15.0~18.0 |
18.0~21.0 |
18.0~21.0 |
|
|
Fe |
≤1.0 |
≤1.0 |
余量Bal |
余量Bal |
REST |
|
|
Max continuous service temp(℃) |
1200 |
1100 |
1000 |
1000 |
1000 |
|
|
Melting point(℃) |
1400 |
1380 |
1390 |
1390 |
1390 |
|
|
Density(g/cm3) |
8.4 |
8.1 |
8.2 |
7.9 |
7.9 |
|
|
Resistivity(µΩ.m,20℃) |
1.09±0.05 |
1.18±0.05 |
1.11±0.05 |
1.04±0.05 |
1.04±0.05 |
|
|
Elongation(%) |
≥20 |
≥20 |
≥20 |
≥20 |
≥20 |
|
|
Specific heat capacity at 20℃(J/g.℃) |
0.44 |
0.461 |
0.494 |
0.5 |
0.5 |
|
|
Thermal conductivity(kJ/m.h℃) |
60.3 |
45.2 |
45.2 |
43.8 |
43.8 |
|
|
Line expansion coefficient(a×10-6/℃(20~1000℃)) |
18 |
17 |
17 |
19 |
19 |
|
|
Micro structure |
Austenite |
Austenite |
Austenite |
Austenite |
Austenite |
|
|
Magnetic properties |
Non-magnetic |
Non-magnetic |
Non-magnetic |
Non-magnetic |
Non-magnetic |
|
NICR ROUND WIRE DIAMETER AND CHARACTERISTICS
|
mm |
mm² |
cm²/m |
Cr20Ni80 |
Cr15Ni60 |
Cr20Ni35,CrNi30 |
|||
|
kg/m |
Ω/m,20℃ |
kg/m |
Ω/m,20℃ |
kg/m |
Ω/m,20℃ |
|||
|
0.1 |
0.007854 |
3.142 |
0.00006597 |
138.8 |
0.0000644 |
142.6 |
0.0000616 |
132.4 |
|
0.12 |
0.01131 |
3.77 |
0.000095 |
96.38 |
0.00009274 |
99.03 |
0.0000892 |
91.96 |
|
0.15 |
0.01767 |
4.712 |
0.0001484 |
61.68 |
0.0001449 |
63.38 |
0.00014 |
58.85 |
|
0.17 |
0.0227 |
5.341 |
0.0001907 |
48.02 |
0.0001861 |
49.34 |
0.000179 |
45.82 |
|
0.19 |
0.02835 |
5.969 |
0.0002382 |
38.44 |
0.0002325 |
39.5 |
0.000224 |
36.86 |
|
0.21 |
0.03464 |
6.597 |
0.0002909 |
31.47 |
0.000284 |
32.34 |
0.0003 |
27.36 |
|
0.25 |
0.04909 |
7.854 |
0.0004809 |
22.21 |
0.0004025 |
22.82 |
0.000388 |
21.19 |
|
0.27 |
0.05726 |
8.482 |
0.0005548 |
19.04 |
0.0004695 |
19.56 |
0.000487 |
16.89 |
|
0.29 |
0.06605 |
9.111 |
0.0004809 |
16.5 |
0.0005416 |
16.96 |
0.000558 |
14.71 |
|
0.31 |
0.07548 |
9.739 |
0.000634 |
14.44 |
0.0006189 |
14.84 |
0.000635 |
12.93 |
|
0.35 |
0.09621 |
11 |
0.0008082 |
11.33 |
0.0007889 |
11.64 |
0.00076 |
10.81 |
|
0.4 |
0.1257 |
12.57 |
0.001056 |
8.674 |
0.00103 |
8.913 |
0.000993 |
8.276 |
|
0.45 |
0.159 |
14.14 |
0.001339 |
6.835 |
0.001304 |
7.042 |
0.00126 |
6.539 |
|
0.5 |
0.1963 |
15.71 |
0.001469 |
5.551 |
0.00161 |
5.704 |
0.00155 |
5.297 |
|
0.6 |
0.2827 |
18.85 |
0.002375 |
3.855 |
0.002318 |
3.961 |
0.00224 |
3.749 |
|
0.7 |
0.3848 |
21.99 |
0.003233 |
2.832 |
0.003156 |
2.91 |
0.00304 |
2.754 |
|
0.8 |
0.5027 |
25.13 |
0.004222 |
2.168 |
0.004122 |
2.228 |
0.00397 |
2.109 |
|
0.9 |
0.6362 |
28.27 |
0.005344 |
1.713 |
0.005217 |
1.761 |
0.00503 |
1.666 |
|
1.00 |
0.7854 |
31.42 |
0.006597 |
1.388 |
0.00644 |
1.426 |
0.0062 |
1.35 |
|
1.20 |
1.131 |
37.7 |
0.0095 |
0.9638 |
0.009274 |
0.9903 |
0.00894 |
0.9196 |
|
1.40 |
1.539 |
43.98 |
0.01293 |
0.7081 |
0.01262 |
0.7276 |
0.01216 |
0.6756 |
|
1.60 |
2.011 |
50.27 |
0.01689 |
0.5421 |
0.1649 |
0.557 |
0.01588 |
0.5173 |
|
1.80 |
2.545 |
56.55 |
0.02138 |
0.4283 |
0.02087 |
0.4401 |
0.02006 |
0.4087 |
|
2.00 |
3.142 |
62.83 |
0.02639 |
0.347 |
0.02576 |
0.3565 |
0.02408 |
0.331 |
|
2.20 |
3.801 |
69.12 |
0.03139 |
0.2867 |
0.03117 |
0.2946 |
0.03002 |
0.2736 |
|
2.50 |
3.976 |
70.69 |
0.0334 |
0.2741 |
0.0326 |
0.2817 |
0.04195 |
0.2109 |
|
2.80 |
6.158 |
87.96 |
0.05172 |
0.177 |
0.05049 |
0.1819 |
0.04866 |
0.1689 |
|
3.00 |
7.069 |
94.25 |
0.05938 |
0.1542 |
0.05796 |
0.1584 |
0.05587 |
0.1471 |
|
3.50 |
9.621 |
110 |
0.08082 |
0.1133 |
0.07889 |
0.1164 |
0.07599 |
0.1081 |
|
4.00 |
12.57 |
125.7 |
0.1056 |
0.08674 |
0.103 |
0.08913 |
0.0993 |
0.08276 |
|
4.50 |
15.9 |
141.4 |
0.1336 |
0.06853 |
0.1304 |
0.07042 |
0.1256 |
0.06539 |
|
5.00 |
19.63 |
157.1 |
0.1649 |
0.05551 |
0.161 |
0.05704 |
0.1551 |
0.05297 |
|
5.50 |
23.76 |
172.8 |
0.1996 |
0.04588 |
0.1948 |
0.04714 |
0.188 |
0.04462 |
|
6.00 |
28.27 |
188.5 |
0.2375 |
0.03855 |
0.2318 |
0.03961 |
0.2236 |
0.03749 |
|
6.50 |
33.18 |
204.2 |
0.2787 |
0.03285 |
0.2721 |
0.03375 |
0.2623 |
0.03194 |
|
7.00 |
38.48 |
219.9 |
0.3233 |
0.02832 |
0.3156 |
0.0291 |
0.3041 |
0.02754 |
