![]() |
MOQ: | 5kg |
Standard Packaging: | Packed with waterproof paper or weave bag, into pallets or wooden case. Special packaging requirements can also be accommodated. |
Delivery Period: | 3 days |
Payment Method: | T/T, D/P |
Supply Capacity: | 30 Tons per day |
Cr20Ni30 The Austenitic Stainless Steel Alloy for Superior Mechanical Properties and More
Chemical Composition Wt.% Cr20Ni30 |
% | Ni | Fe | C | Si | Mn | P | S | Cr |
Min | 30 | 1 | 18 | ||||||
Max | 34 | Bal. | 0.08 | 3 | 1 | 0.02 | 0.015 | 21 |
Main characteristics of Ni-Cr and Ni-Cr-Fe electric heating alloys
Type
|
Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni80 | Cr20Ni30 | Cr25Ni20 | |
Main Chemical composition | Ni | Rest | 55.0-61.0 | 34.0-37.0 | Rest | 30.0-34.0 | 19.0-22.0 |
Cr | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 20.0-23.0 | 18.0-21.0 | 24.0-26.0 | |
Fe | ≤ 1.0 | Rest | Rest | ≤ 1.0 | Rest | Rest | |
Max. continuous service temp. of element (℃) | 1250 | 1150 | 1100 | 1200 | 1100 | 1050 | |
Resistivity at 20 ℃(μΩm) | 1.18±0.05 | 1.12±0.05 | 1.04±0.05 | 1.09±0.05 | 1.06±0.05 | 0.95±0.05 | |
Density(g/cm3) | 8.10 | 8.20 | 7.90 | 8.40 | 7.90 | 7.15 | |
Thermal condyctivity (KJ/m·h·℃) | 45.2 | 45.2 | 43.8 | 60.3 | 43.8 | 43.8 | |
Coefficient of lines expansion (α×10-6/℃) | 17.0 | 17.0 | 19.0 | 18.0 | 19.0 | 19.0 | |
Melting point (approx.)(℃) | 1380 | 1390 | 1390 | 1400 | 1390 | 1400 | |
Elonation at rupture(%) | >20 | >20 | >20 | >20 | >20 | >20 | |
Micrographic structure | Austenite | Austenite | Austenite | Austenite | Austenite | Austenite | |
Magnetic properties | Non-magnetic | Low-magnetic | Low-magnetic | Non-magnetic | Low-magnetic | Non-magnetic | |
Note:The various grades of electric resistance alloy material are blended with the amountof rare earth, titanium and other trace elements, to improve the processing performance andextend the period of the uselife. | |||||||
Applications:
Heat Treatment Processes: Used in annealing, tempering, and sintering processes.
Glass and Ceramic Production Kilns: Ideal for high-temperature operations.
Metallurgical Melting and Casting: Suitable for heating elements in furnaces used for metal melting and casting.
Hot Wire Foam Cutting: Used in the packaging and construction industries for precise shaping of polystyrene and similar materials.
Welding Equipment: Used as heating components in spot welders and other thermal joining tools.
Hydrocarbon Cracking and Reforming Heaters: Used in heaters for cracking and reforming hydrocarbons.
Catalytic Reactors and Chemical Vapor Deposition Systems: Used in processing equipment requiring controlled thermal environments.
Technical data of wires
Dia. (mm) | Cross-sectional area (mm²) | Weight/Meter (g/m) | Resistance/Meter at 20 ℃ (Ω/m) | Dia. (mm) | Cross-sectional area (mm²) | Weight/Meter (g/m) | Resistance/Meter at 20 ℃ (Ω/m) |
0.018 | 0.000255 | 0.002117 | 3410-4610 | 0.25 | 0.04909 | 0.4074 | 20.88-23.54 |
0.020 | 0.000314 | 0.002606 | 2940-3740 | 0.28 | 0.06158 | 0.5111 | 16.64-18.76 |
0.022 | 0.000380 | 0.003154 | 2440-3100 | 0.30 | 0.07069 | 0.5867 | 14.49-16.35 |
0.025 | 0.000491 | 0.004075 | 1880-2400 | 0.32 | 0.07548 | 0.6265 | 12.74-14.36 |
0.028 | 0.000616 | 0.005113 | 1530-1870 | 0.33 | 0.08553 | 0.7099 | 12.20-13.40 |
0.030 | 0.000707 | 0.005868 | 1338-1696 | 0.38 | 0.1134 | 0.9412 | 9.13-10.09 |
0.032 | 0.000804 | 0.006673 | 1180-1440 | 0.40 | 0.1257 | 1.0433 | 8.24-9.108 |
0.035 | 0.000962 | 0.007985 | 981-1200 | 0.41 | 0.132 | 1.0956 | 7.68-8.89 |
0.040 | 0.001257 | 0.01043 | 780.7-954.1 | 0.45 | 0.159 | 1.3197 | 6.51-7.196 |
0.045 | 0.00159 | 0.0132 | 594-726 | 0.50 | 0.1963 | 1.6293 | 5.273-5.829 |
0.050 | 0.001963 | 0.01629 | 499.6-610.6 | 0.55 | 0.2376 | 1.9721 | 4.518-4.994 |
0.055 | 0.00238 | 0.01975 | 407-477 | 0.60 | 0.2827 | 2.3464 | 3.797-4.197 |
0.063 | 0.00312 | 0.02590 | 321.41-377.31 | 0.65 | 0.3318 | 2.7539 | 3.235-3.575 |
0.070 | 0.00385 | 0.03196 | 260.5-305.9 | 0.70 | 0.3848 | 3.1938 | 2.789-3.083 |
0.080 | 0.005027 | 0.04172 | 199.5-234.1 | 0.75 | 0.4418 | 3.6669 | 2.43-2.686 |
0.090 | 0.006362 | 0.0528 | 157.6-185.0 | 0.80 | 0.5027 | 4.1724 | 2.136-2.36 |
0.100 | 0.007854 | 0.0652 | 127.7-149.9 | 0.85 | 0.5674 | 4.7094 | 1.891-2.091 |
0.110 | 0.009852 | 0.08177 | 105.5-123.9 | 0.90 | 0.6362 | 5.2805 | 1.687-1.865 |
0.120 | 0.01227 | 0.1018 | 88.67-104.1 | 0.95 | 0.7088 | 5.883 | 1.46-1.62 |
0.140 | 0.01539 | 0.1277 | 65.85-75.77 | 1.00 | 0.7854 | 6.5188 | 1.367-1.511 |
0.150 | 0.01767 | 0.1467 | 56.75-66.63 | 1.10 | 0.9503 | 7.8875 | 1.13-1.26 |
0.160 | 0.02011 | 0.01669 | 50.42-58.00 | 1.12 | 0.9852 | 8.1772 | 1.05-1.17 |
0.170 | 0.022700 | 0.1884 | 44.18-51.86 | 1.18 | 1.0936 | 9.0769 | 0.95-1.05 |
0.180 | 0.02545 | 0.2112 | 40.26-45.40 | 1.20 | 1.313 | 10.8979 | 0.79-0.87 |
0.190 | 0.02835 | 0.2353 | 35.37-41.53 | 1.30 | 1.327 | 11.0141 | 0.78-0.86 |
0.200 | 0.03142 | 0.2608 | 32.62-36.78 | 1.40 | 1.539 | 12.7737 | 0.70-0.77 |
0.212 | 0.035300 | 0.2930 | 28.41-33.35 | 1.50 | 1.767 | 14.6661 | 0.60-0.67 |
0.220 | 0.03801 | 0.3155 | 26.65-30.39 | 1.60 | 2.011 | 16.8924 | 0.52-0.58 |
The tolerance or wires diameter
Wires | Dia.(mm) | Tolerance |
0.018-0.025 | ±0.001 | |
0.028-0.035 | ±0.0015 | |
0.040-0.055 | ±0.002 | |
0.070 | ±0.0025 | |
0.08-0.10 | ±0.003 | |
0.11-0.14 | ±0.004 | |
0.16-0.20 | ±0.005 | |
0.22-0.25 | ±0.006 | |
0.28-0.30 | ±0.007 | |
0.32-0.40 | ±0.01 | |
0.41-0.50 | ±0.015 | |
0.55-0.80 | +0.02/-0.03 | |
0.85-1.00 | +0.02/-0.03 | |
1.10-1.50 | ±0.03 | |
Note:special specification can be produced as per client's request. |
Technical data of ribbon
Thickness × Width(mm) | Resistance/meter(20 ℃) (Ω/m) | Surface area/ohm (20℃) (cm2/Ω) | Weight/meter (g/m) | Surface area/meter (cm2/m) |
0.09x2.5 | 5.27 | 9.84 | 1.72 | 51.8 |
0.08x0.2 | 74 | 0.0756 | 0.122 | 5.6 |
0.08x0.3 | 49.4 | 0.154 | 0.183 | 7.6 |
0.08x0.4 | 37 | 0.259 | 0.244 | 9.6 |
0.08x0.5 | 29.6 | 0.392 | 0.305 | 11.6 |
0.08x0.6 | 24.7 | 0.551 | 0.367 | 13.6 |
0.08x0.7 | 21.2 | 0.737 | 0.428 | 15.6 |
0.08x0.8 | 18.5 | 0.951 | 0.489 | 17.6 |
0.08x0.9 | 16.5 | 1.19 | 0.55 | 19.6 |
0.08x1.0 | 14.8 | 1.46 | 0.611 | 21.6 |
0.08x1.2 | 12.3 | 2.07 | 0.733 | 25.6 |
0.08x1.5 | 9.87 | 3.2 | 0.916 | 31.6 |
0.08x1.8 | 8.23 | 4.57 | 1.1 | 37.6 |
0.08x2.0 | 7.4 | 5.62 | 1.22 | 41.6 |
0.07x0.2 | 84.6 | 0.0638 | 0.107 | 5.4 |
0.07x0.3 | 56.4 | 0.131 | 0.16 | 7.4 |
0.07x0.4 | 42.3 | 0.222 | 0.214 | 9.4 |
0.07x0.5 | 33.9 | 0.337 | 0.267 | 11.4 |
0.07x0.6 | 28.2 | 0.475 | 0.321 | 13.4 |
0.07x0.7 | 24.2 | 0.637 | 0.374 | 15.4 |
0.07x0.8 | 21.2 | 0.822 | 0.428 | 17.4 |
0.07x0.9 | 18.8 | 1.03 | 0.481 | 19.4 |
0.07x1.0 | 16.9 | 1.26 | 0.535 | 21.4 |
0.07x1.2 | 14.1 | 1.8 | 0.641 | 25.4 |
0.07x1.5 | 11.3 | 2.78 | 0.802 | 31.4 |
0.06x0.2 | 98.7 | 0.0527 | 0.0916 | 5.2 |
0.06x0.3 | 65.8 | 0.109 | 0.137 | 7.2 |
0.06x0.4 | 49.4 | 0.186 | 0.183 | 9.2 |
0.06x0.5 | 39.5 | 0.284 | 0.229 | 11.2 |
0.06x0.6 | 32.9 | 0.401 | 0.275 | 13.2 |
0.06x0.7 | 28.2 | 0.539 | 0.321 | 15.2 |
0.06x0.8 | 24.7 | 0.697 | 0.367 | 17.5 |
0.06x0.9 | 21.9 | 0.875 | 0.412 | 19.2 |
0.06x1.0 | 19.7 | 1.07 | 0.458 | 21.2 |
0.06x1.2 | 16.5 | 1.53 | 0.55 | 25.2 |
0.05x0.2 | 118 | 0.0422 | 0.0764 | 5.00 |
0.05x0.3 | 79 | 0.0886 | 0.115 | 7.00 |
0.05x0.4 | 59.2 | 0.152 | 0.153 | 9.00 |
0.05x0.5 | 47.4 | 0.232 | 0.191 | 11.00 |
0.05x0.6 | 39.5 | 0.329 | 0.229 | 13.00 |
0.05x0.7 | 33.9 | 0.443 | 0.267 | 15.0 |
0.05x0.8 | 29.6 | 0.574 | 0.305 | 17.0 |
0.05x0.9 | 16.3 | 0.722 | 0.344 | 19.0 |
0.05x1.0 | 23.7 | 0.886 | 0.382 | 21.0 |
Ribbon is rolled by the wire, the actual cross-sectional area of the ribbon is smaller 8% than calculated by the rectangular. |
![]() |
MOQ: | 5kg |
Standard Packaging: | Packed with waterproof paper or weave bag, into pallets or wooden case. Special packaging requirements can also be accommodated. |
Delivery Period: | 3 days |
Payment Method: | T/T, D/P |
Supply Capacity: | 30 Tons per day |
Cr20Ni30 The Austenitic Stainless Steel Alloy for Superior Mechanical Properties and More
Chemical Composition Wt.% Cr20Ni30 |
% | Ni | Fe | C | Si | Mn | P | S | Cr |
Min | 30 | 1 | 18 | ||||||
Max | 34 | Bal. | 0.08 | 3 | 1 | 0.02 | 0.015 | 21 |
Main characteristics of Ni-Cr and Ni-Cr-Fe electric heating alloys
Type
|
Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni80 | Cr20Ni30 | Cr25Ni20 | |
Main Chemical composition | Ni | Rest | 55.0-61.0 | 34.0-37.0 | Rest | 30.0-34.0 | 19.0-22.0 |
Cr | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 20.0-23.0 | 18.0-21.0 | 24.0-26.0 | |
Fe | ≤ 1.0 | Rest | Rest | ≤ 1.0 | Rest | Rest | |
Max. continuous service temp. of element (℃) | 1250 | 1150 | 1100 | 1200 | 1100 | 1050 | |
Resistivity at 20 ℃(μΩm) | 1.18±0.05 | 1.12±0.05 | 1.04±0.05 | 1.09±0.05 | 1.06±0.05 | 0.95±0.05 | |
Density(g/cm3) | 8.10 | 8.20 | 7.90 | 8.40 | 7.90 | 7.15 | |
Thermal condyctivity (KJ/m·h·℃) | 45.2 | 45.2 | 43.8 | 60.3 | 43.8 | 43.8 | |
Coefficient of lines expansion (α×10-6/℃) | 17.0 | 17.0 | 19.0 | 18.0 | 19.0 | 19.0 | |
Melting point (approx.)(℃) | 1380 | 1390 | 1390 | 1400 | 1390 | 1400 | |
Elonation at rupture(%) | >20 | >20 | >20 | >20 | >20 | >20 | |
Micrographic structure | Austenite | Austenite | Austenite | Austenite | Austenite | Austenite | |
Magnetic properties | Non-magnetic | Low-magnetic | Low-magnetic | Non-magnetic | Low-magnetic | Non-magnetic | |
Note:The various grades of electric resistance alloy material are blended with the amountof rare earth, titanium and other trace elements, to improve the processing performance andextend the period of the uselife. | |||||||
Applications:
Heat Treatment Processes: Used in annealing, tempering, and sintering processes.
Glass and Ceramic Production Kilns: Ideal for high-temperature operations.
Metallurgical Melting and Casting: Suitable for heating elements in furnaces used for metal melting and casting.
Hot Wire Foam Cutting: Used in the packaging and construction industries for precise shaping of polystyrene and similar materials.
Welding Equipment: Used as heating components in spot welders and other thermal joining tools.
Hydrocarbon Cracking and Reforming Heaters: Used in heaters for cracking and reforming hydrocarbons.
Catalytic Reactors and Chemical Vapor Deposition Systems: Used in processing equipment requiring controlled thermal environments.
Technical data of wires
Dia. (mm) | Cross-sectional area (mm²) | Weight/Meter (g/m) | Resistance/Meter at 20 ℃ (Ω/m) | Dia. (mm) | Cross-sectional area (mm²) | Weight/Meter (g/m) | Resistance/Meter at 20 ℃ (Ω/m) |
0.018 | 0.000255 | 0.002117 | 3410-4610 | 0.25 | 0.04909 | 0.4074 | 20.88-23.54 |
0.020 | 0.000314 | 0.002606 | 2940-3740 | 0.28 | 0.06158 | 0.5111 | 16.64-18.76 |
0.022 | 0.000380 | 0.003154 | 2440-3100 | 0.30 | 0.07069 | 0.5867 | 14.49-16.35 |
0.025 | 0.000491 | 0.004075 | 1880-2400 | 0.32 | 0.07548 | 0.6265 | 12.74-14.36 |
0.028 | 0.000616 | 0.005113 | 1530-1870 | 0.33 | 0.08553 | 0.7099 | 12.20-13.40 |
0.030 | 0.000707 | 0.005868 | 1338-1696 | 0.38 | 0.1134 | 0.9412 | 9.13-10.09 |
0.032 | 0.000804 | 0.006673 | 1180-1440 | 0.40 | 0.1257 | 1.0433 | 8.24-9.108 |
0.035 | 0.000962 | 0.007985 | 981-1200 | 0.41 | 0.132 | 1.0956 | 7.68-8.89 |
0.040 | 0.001257 | 0.01043 | 780.7-954.1 | 0.45 | 0.159 | 1.3197 | 6.51-7.196 |
0.045 | 0.00159 | 0.0132 | 594-726 | 0.50 | 0.1963 | 1.6293 | 5.273-5.829 |
0.050 | 0.001963 | 0.01629 | 499.6-610.6 | 0.55 | 0.2376 | 1.9721 | 4.518-4.994 |
0.055 | 0.00238 | 0.01975 | 407-477 | 0.60 | 0.2827 | 2.3464 | 3.797-4.197 |
0.063 | 0.00312 | 0.02590 | 321.41-377.31 | 0.65 | 0.3318 | 2.7539 | 3.235-3.575 |
0.070 | 0.00385 | 0.03196 | 260.5-305.9 | 0.70 | 0.3848 | 3.1938 | 2.789-3.083 |
0.080 | 0.005027 | 0.04172 | 199.5-234.1 | 0.75 | 0.4418 | 3.6669 | 2.43-2.686 |
0.090 | 0.006362 | 0.0528 | 157.6-185.0 | 0.80 | 0.5027 | 4.1724 | 2.136-2.36 |
0.100 | 0.007854 | 0.0652 | 127.7-149.9 | 0.85 | 0.5674 | 4.7094 | 1.891-2.091 |
0.110 | 0.009852 | 0.08177 | 105.5-123.9 | 0.90 | 0.6362 | 5.2805 | 1.687-1.865 |
0.120 | 0.01227 | 0.1018 | 88.67-104.1 | 0.95 | 0.7088 | 5.883 | 1.46-1.62 |
0.140 | 0.01539 | 0.1277 | 65.85-75.77 | 1.00 | 0.7854 | 6.5188 | 1.367-1.511 |
0.150 | 0.01767 | 0.1467 | 56.75-66.63 | 1.10 | 0.9503 | 7.8875 | 1.13-1.26 |
0.160 | 0.02011 | 0.01669 | 50.42-58.00 | 1.12 | 0.9852 | 8.1772 | 1.05-1.17 |
0.170 | 0.022700 | 0.1884 | 44.18-51.86 | 1.18 | 1.0936 | 9.0769 | 0.95-1.05 |
0.180 | 0.02545 | 0.2112 | 40.26-45.40 | 1.20 | 1.313 | 10.8979 | 0.79-0.87 |
0.190 | 0.02835 | 0.2353 | 35.37-41.53 | 1.30 | 1.327 | 11.0141 | 0.78-0.86 |
0.200 | 0.03142 | 0.2608 | 32.62-36.78 | 1.40 | 1.539 | 12.7737 | 0.70-0.77 |
0.212 | 0.035300 | 0.2930 | 28.41-33.35 | 1.50 | 1.767 | 14.6661 | 0.60-0.67 |
0.220 | 0.03801 | 0.3155 | 26.65-30.39 | 1.60 | 2.011 | 16.8924 | 0.52-0.58 |
The tolerance or wires diameter
Wires | Dia.(mm) | Tolerance |
0.018-0.025 | ±0.001 | |
0.028-0.035 | ±0.0015 | |
0.040-0.055 | ±0.002 | |
0.070 | ±0.0025 | |
0.08-0.10 | ±0.003 | |
0.11-0.14 | ±0.004 | |
0.16-0.20 | ±0.005 | |
0.22-0.25 | ±0.006 | |
0.28-0.30 | ±0.007 | |
0.32-0.40 | ±0.01 | |
0.41-0.50 | ±0.015 | |
0.55-0.80 | +0.02/-0.03 | |
0.85-1.00 | +0.02/-0.03 | |
1.10-1.50 | ±0.03 | |
Note:special specification can be produced as per client's request. |
Technical data of ribbon
Thickness × Width(mm) | Resistance/meter(20 ℃) (Ω/m) | Surface area/ohm (20℃) (cm2/Ω) | Weight/meter (g/m) | Surface area/meter (cm2/m) |
0.09x2.5 | 5.27 | 9.84 | 1.72 | 51.8 |
0.08x0.2 | 74 | 0.0756 | 0.122 | 5.6 |
0.08x0.3 | 49.4 | 0.154 | 0.183 | 7.6 |
0.08x0.4 | 37 | 0.259 | 0.244 | 9.6 |
0.08x0.5 | 29.6 | 0.392 | 0.305 | 11.6 |
0.08x0.6 | 24.7 | 0.551 | 0.367 | 13.6 |
0.08x0.7 | 21.2 | 0.737 | 0.428 | 15.6 |
0.08x0.8 | 18.5 | 0.951 | 0.489 | 17.6 |
0.08x0.9 | 16.5 | 1.19 | 0.55 | 19.6 |
0.08x1.0 | 14.8 | 1.46 | 0.611 | 21.6 |
0.08x1.2 | 12.3 | 2.07 | 0.733 | 25.6 |
0.08x1.5 | 9.87 | 3.2 | 0.916 | 31.6 |
0.08x1.8 | 8.23 | 4.57 | 1.1 | 37.6 |
0.08x2.0 | 7.4 | 5.62 | 1.22 | 41.6 |
0.07x0.2 | 84.6 | 0.0638 | 0.107 | 5.4 |
0.07x0.3 | 56.4 | 0.131 | 0.16 | 7.4 |
0.07x0.4 | 42.3 | 0.222 | 0.214 | 9.4 |
0.07x0.5 | 33.9 | 0.337 | 0.267 | 11.4 |
0.07x0.6 | 28.2 | 0.475 | 0.321 | 13.4 |
0.07x0.7 | 24.2 | 0.637 | 0.374 | 15.4 |
0.07x0.8 | 21.2 | 0.822 | 0.428 | 17.4 |
0.07x0.9 | 18.8 | 1.03 | 0.481 | 19.4 |
0.07x1.0 | 16.9 | 1.26 | 0.535 | 21.4 |
0.07x1.2 | 14.1 | 1.8 | 0.641 | 25.4 |
0.07x1.5 | 11.3 | 2.78 | 0.802 | 31.4 |
0.06x0.2 | 98.7 | 0.0527 | 0.0916 | 5.2 |
0.06x0.3 | 65.8 | 0.109 | 0.137 | 7.2 |
0.06x0.4 | 49.4 | 0.186 | 0.183 | 9.2 |
0.06x0.5 | 39.5 | 0.284 | 0.229 | 11.2 |
0.06x0.6 | 32.9 | 0.401 | 0.275 | 13.2 |
0.06x0.7 | 28.2 | 0.539 | 0.321 | 15.2 |
0.06x0.8 | 24.7 | 0.697 | 0.367 | 17.5 |
0.06x0.9 | 21.9 | 0.875 | 0.412 | 19.2 |
0.06x1.0 | 19.7 | 1.07 | 0.458 | 21.2 |
0.06x1.2 | 16.5 | 1.53 | 0.55 | 25.2 |
0.05x0.2 | 118 | 0.0422 | 0.0764 | 5.00 |
0.05x0.3 | 79 | 0.0886 | 0.115 | 7.00 |
0.05x0.4 | 59.2 | 0.152 | 0.153 | 9.00 |
0.05x0.5 | 47.4 | 0.232 | 0.191 | 11.00 |
0.05x0.6 | 39.5 | 0.329 | 0.229 | 13.00 |
0.05x0.7 | 33.9 | 0.443 | 0.267 | 15.0 |
0.05x0.8 | 29.6 | 0.574 | 0.305 | 17.0 |
0.05x0.9 | 16.3 | 0.722 | 0.344 | 19.0 |
0.05x1.0 | 23.7 | 0.886 | 0.382 | 21.0 |
Ribbon is rolled by the wire, the actual cross-sectional area of the ribbon is smaller 8% than calculated by the rectangular. |