| 类型 | 线径(mm) | 伸长率 | 电阻率(20℃时ωmm2／m) | | 裸铜线 | (0.07≤d<0.10)d±0.002 | (0.07≤d<0.10)≥10% | r≤0.017241 | | (0.10≤d<0.149)d±0.003 | (0.10≤d<0.149)≥12% | | (0.15≤d<0.399)d±0.004 | (0.15≤d<0.199)≥15% | | (0.40≤d<0.80)d±0.006 | (0.20≤d<0.399)≥18% | | (0.80≤d<1.20)d+1%d/-0.006 | (0.40≤d<1.2)≥20% | | 镀锡铜线 | (0.07≤d<0.10)d±0.002 | 0.103 | (0.07≤d<0.09)≤0.01851 | | (0.10≤d<0.149)d±0.003 | 0.114 | (0.09<d≤0.25)≤0.01802 | | (0.15≤d<0.399)d±0.004 | 0.178 | (0.25<d≤0.50)≤0.01770 | | (0.40≤d<0.80)d±0.006 | 0.257 | (0.50<d≤1.20)≤0.01760 |
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