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Karm alloy have common name Nikrothal L/Evanohm/Alloy 800, Karm alloy is made up of nickel,chrome, Aluminum and Iron as the main components. The resistivity is 2~3 times higher than manganin. It has lower temperature coefficient of resistance（TCR）, lower thermal EMF versus copper, good permanence of resistance for a long period of time and strong anti-oxidation. Its working temperature range is wider than manganin (-60~300℃). It is suitable for making fine precision resistance elements and strain.
Name 产品名称 | Code 合金牌号 | Main Composition (%)主要成分 | Density 密度 (g/mm2) | Standard 执行标准 | |||
Cr铬 | Al铝 | Fe铁 | Ni镍 | ||||
Karm alloy 卡玛 | 6J22 | 19~21 | 2.5~3.2 | 2.0~3.0 | bal. 余量 | 8.1 | JB/T 5328 |
Name 产品名称 | Code 合金牌号 | (20℃) 电阻率 | (20℃) 电阻温度系数 | (0~100℃) 对Cu热电势 | Max.working 导线最高使用温度 | Elongation 延伸率(%) | (N/mm2) 抗拉强度 | Standard 执行标准 |
Karm alloy 卡玛 | 6J22 | 1.33±0.07 | ≤±20 | ≤2.5 | ≤300 | ＞7 | ≥780 | JB/T 5328 |
Karm alloy (6J22) Technical Data of Wires
Dia.线径(mm) | Cross-sectional area截面积(mm2) | Weight/Meter每米重量 | Resistance/Meter at 20℃每米电阻(Ω/m) | Dia.线径(mm) | Cross-sectional area截面积(mm2) | Weight/Meter每米重量 | Resistance/Meter at 20℃每米电阻(Ω/m) | |
0.018 | 0.0002550 | 0.002066 | 4707-5749 | 0.25 | 0.04909 | 0.3976 | 25.74-28.45 | |
0.020 | 0.000314 | 0.002543 | 3810-4657 | 0.28 | 0.06158 | 0.4988 | 20.52-22.68 | |
0.022 | 0.000380 | 0.003078 | 3149-3849 | 0.30 | 0.07069 | 0.5726 | 17.87-19.76 | |
0.025 | 0.000491 | 0.003977 | 2439-2980 | 0.32 | 0.07548 | 0.6114 | 16.74-18.5 | |
0.028 | 0.000616 | 0.00499 | 1944-2376 | 0.33 | 0.08553 | 0.6928 | 14.78-16.33 | |
0.030 | 0.000707 | 0.005727 | 1750-2015 | 0.38 | 0.1134 | 0.9185 | 11.13-12.31 | |
0.032 | 0.000804 | 0.006512 | 1488-1819 | 0.40 | 0.1257 | 1.0182 | 10.05-11.11 | |
0.035 | 0.000962 | 0.007792 | 1244-1521 | 0.41 | 0.1320 | 1.0692 | 9.57-10.57 | |
0.040 | 0.001257 | 0.01018 | 953-1164 | 0.45 | 0.1590 | 1.288 | 7.94-8.77 | |
0.045 | 0.001590 | 0.01288 | 752.6-919.9 | 0.50 | 0.1963 | 1.590 | 6.43-7.11 | |
0.050 | 0.001963 | 0.0159 | 609.6-745.1 | 0.55 | 0.2376 | 1.9246 | 5.32-5.88 | |
0.055 | 0.00238 | 0.01928 | 515.0-604.6 | 0.60 | 0.2827 | 2.2899 | 4.46-4.94 | |
0.063 | 0.00312 | 0.02527 | 392.2-460.4 | 0.65 | 0.3318 | 2.6876 | 3.81-4.21 | |
0.070 | 0.00385 | 0.03119 | 317.9-373.2 | 0.70 | 0.3848 | 3.1169 | 3.27-3.62 | |
0.080 | 0.005027 | 0.0407 | 243.4-285.8 | 0.75 | 0.4418 | 3.5786 | 2.85-3.16 | |
0.090 | 0.006362 | 0.0515 | 192.3-225.8 | 0.80 | 0.5027 | 4.0719 | 2.51-2.77 | |
0.100 | 0.007854 | 0.0636 | 155.8-182.9 | 0.85 | 0.5674 | 4.5959 | 2.22-2.45 | |
0.110 | 0.009852 | 0.0798 | 128.8-151.1 | 0.90 | 0.6362 | 5.1532 | 1.98-2.19 | |
0.120 | 0.01227 | 0.0994 | 111.7-123.5 | 0.95 | 0.7088 | 5.7413 | 1.79-1.97 | |
0.140 | 0.01539 | 0.1247 | 82.08-90.72 | 1.00 | 0.7854 | 6.3617 | 1.60-1.77 | |
0.150 | 0.01767 | 0.1431 | 71.51-79.03 | 1.10 | 0.9503 | 7.6974 | 1.33-1.47 | |
0.160 | 0.02011 | 0.1629 | 62.84-69.46 | 1.12 | 0.9852 | 7.9801 | 1.28-1.42 | |
0.170 | 0.02270 | 0.1839 | 55.66-61.52 | 1.18 | 1.0936 | 8.8582 | 1.16-1.28 | |
0.180 | 0.02545 | 0.2061 | 49.65-54.88 | 1.20 | 1.313 | 9.1611 | 1.11-1.23 | |
0.190 | 0.02835 | 0.2296 | 44.56-49.26 | 1.30 | 1.327 | 10.7487 | 0.95-1.05 | |
0.200 | 0.03142 | 0.2545 | 40.22-44.45 | 1.40 | 1.539 | 12.466 | 0.82-0.90 | |
0.212 | 0.03530 | 0.2859 | 35.80-39.56 | 1.50 | 1.767 | 14.3127 | 0.71-0.79 | |
0.220 | 0.03801 | 0.3079 | 33.24-36.74 | 1.60 | 2.011 | 16.2891 | 0.63-0.69 | |
Size Range:
Diameter直径(mm) | Tolerance允许偏差(mm) | |
Wires 冷拉线材 | 0.018~0.025 | ±0.001 |
0.028~0.055 | ±0.003 | |
0.070~0.14 | ±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 |
Karm alloy have common name Nikrothal L/Evanohm/Alloy 800, Karm alloy is made up of nickel,chrome, Aluminum and Iron as the main components. The resistivity is 2~3 times higher than manganin. It has lower temperature coefficient of resistance（TCR）, lower thermal EMF versus copper, good permanence of resistance for a long period of time and strong anti-oxidation. Its working temperature range is wider than manganin (-60~300℃). It is suitable for making fine precision resistance elements and strain.
Name 产品名称 | Code 合金牌号 | Main Composition (%)主要成分 | Density 密度 (g/mm2) | Standard 执行标准 | |||
Cr铬 | Al铝 | Fe铁 | Ni镍 | ||||
Karm alloy 卡玛 | 6J22 | 19~21 | 2.5~3.2 | 2.0~3.0 | bal. 余量 | 8.1 | JB/T 5328 |
Name 产品名称 | Code 合金牌号 | (20℃) 电阻率 | (20℃) 电阻温度系数 | (0~100℃) 对Cu热电势 | Max.working 导线最高使用温度 | Elongation 延伸率(%) | (N/mm2) 抗拉强度 | Standard 执行标准 |
Karm alloy 卡玛 | 6J22 | 1.33±0.07 | ≤±20 | ≤2.5 | ≤300 | ＞7 | ≥780 | JB/T 5328 |
Karm alloy (6J22) Technical Data of Wires
Dia.线径(mm) | Cross-sectional area截面积(mm2) | Weight/Meter每米重量 | Resistance/Meter at 20℃每米电阻(Ω/m) | Dia.线径(mm) | Cross-sectional area截面积(mm2) | Weight/Meter每米重量 | Resistance/Meter at 20℃每米电阻(Ω/m) | |
0.018 | 0.0002550 | 0.002066 | 4707-5749 | 0.25 | 0.04909 | 0.3976 | 25.74-28.45 | |
0.020 | 0.000314 | 0.002543 | 3810-4657 | 0.28 | 0.06158 | 0.4988 | 20.52-22.68 | |
0.022 | 0.000380 | 0.003078 | 3149-3849 | 0.30 | 0.07069 | 0.5726 | 17.87-19.76 | |
0.025 | 0.000491 | 0.003977 | 2439-2980 | 0.32 | 0.07548 | 0.6114 | 16.74-18.5 | |
0.028 | 0.000616 | 0.00499 | 1944-2376 | 0.33 | 0.08553 | 0.6928 | 14.78-16.33 | |
0.030 | 0.000707 | 0.005727 | 1750-2015 | 0.38 | 0.1134 | 0.9185 | 11.13-12.31 | |
0.032 | 0.000804 | 0.006512 | 1488-1819 | 0.40 | 0.1257 | 1.0182 | 10.05-11.11 | |
0.035 | 0.000962 | 0.007792 | 1244-1521 | 0.41 | 0.1320 | 1.0692 | 9.57-10.57 | |
0.040 | 0.001257 | 0.01018 | 953-1164 | 0.45 | 0.1590 | 1.288 | 7.94-8.77 | |
0.045 | 0.001590 | 0.01288 | 752.6-919.9 | 0.50 | 0.1963 | 1.590 | 6.43-7.11 | |
0.050 | 0.001963 | 0.0159 | 609.6-745.1 | 0.55 | 0.2376 | 1.9246 | 5.32-5.88 | |
0.055 | 0.00238 | 0.01928 | 515.0-604.6 | 0.60 | 0.2827 | 2.2899 | 4.46-4.94 | |
0.063 | 0.00312 | 0.02527 | 392.2-460.4 | 0.65 | 0.3318 | 2.6876 | 3.81-4.21 | |
0.070 | 0.00385 | 0.03119 | 317.9-373.2 | 0.70 | 0.3848 | 3.1169 | 3.27-3.62 | |
0.080 | 0.005027 | 0.0407 | 243.4-285.8 | 0.75 | 0.4418 | 3.5786 | 2.85-3.16 | |
0.090 | 0.006362 | 0.0515 | 192.3-225.8 | 0.80 | 0.5027 | 4.0719 | 2.51-2.77 | |
0.100 | 0.007854 | 0.0636 | 155.8-182.9 | 0.85 | 0.5674 | 4.5959 | 2.22-2.45 | |
0.110 | 0.009852 | 0.0798 | 128.8-151.1 | 0.90 | 0.6362 | 5.1532 | 1.98-2.19 | |
0.120 | 0.01227 | 0.0994 | 111.7-123.5 | 0.95 | 0.7088 | 5.7413 | 1.79-1.97 | |
0.140 | 0.01539 | 0.1247 | 82.08-90.72 | 1.00 | 0.7854 | 6.3617 | 1.60-1.77 | |
0.150 | 0.01767 | 0.1431 | 71.51-79.03 | 1.10 | 0.9503 | 7.6974 | 1.33-1.47 | |
0.160 | 0.02011 | 0.1629 | 62.84-69.46 | 1.12 | 0.9852 | 7.9801 | 1.28-1.42 | |
0.170 | 0.02270 | 0.1839 | 55.66-61.52 | 1.18 | 1.0936 | 8.8582 | 1.16-1.28 | |
0.180 | 0.02545 | 0.2061 | 49.65-54.88 | 1.20 | 1.313 | 9.1611 | 1.11-1.23 | |
0.190 | 0.02835 | 0.2296 | 44.56-49.26 | 1.30 | 1.327 | 10.7487 | 0.95-1.05 | |
0.200 | 0.03142 | 0.2545 | 40.22-44.45 | 1.40 | 1.539 | 12.466 | 0.82-0.90 | |
0.212 | 0.03530 | 0.2859 | 35.80-39.56 | 1.50 | 1.767 | 14.3127 | 0.71-0.79 | |
0.220 | 0.03801 | 0.3079 | 33.24-36.74 | 1.60 | 2.011 | 16.2891 | 0.63-0.69 | |
Size Range:
Diameter直径(mm) | Tolerance允许偏差(mm) | |
Wires 冷拉线材 | 0.018~0.025 | ±0.001 |
0.028~0.055 | ±0.003 | |
0.070~0.14 | ±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 |