船用电缆的导体是采用镀锡园铜线(简称镀锡铜丝)绞制而成,执行标准:GB/T4910-2009,通常其生产厂家对船用电缆导体的单丝直径要求制定了内控标准,但其内控标准中导体的直径偏差范围必须符合国家标准规定,同时保证外观光滑圆整;电性能及抗拉强度和断裂伸长率应符合标准规定,在生产过程中进行控制,主要作如下规定:
型号规格
标准规定尺寸(mm)
企业规定值(mm)
企业内控尺寸范围(mm)
TXR 0.15
0.15-0.004+0.01
0.15
0.148-0.15
TXR 0.18
0.18-0.004+0.01
0.18
0.178-0.18
TXR 0.20
0.20-0.004+0.01
0.20
0.198-0.20
TXR 0.25
0.25-0.004+0.01
0.25
0.248-0.25
TXR 0.28
0.28-0.004+0.01
0.28
0.278-0.28
TXR 0.30
0.30-0.004+0.01
0.30
0.298-0.30
TXR 0.37
0.37-0.004+0.01
0.37
0.368-0.37
TXR 0.40
0.40-0.004+0.01
0.40
0.398-0.40
TXR 0.43
0.43-1%d +2%d
0.43
0.426-0.43
TXR 0.50
0.50-1%d +2%d
0.50
0.496-0.50
TXR 0.52
0.52±1%d
0.52
0.516-0.52
TXR 0.60
0.60-1%d +2%d
0.60
0.596-0.60
TXR 0.68
0.68-1%d +2%d
0.68
0.676-0.68
TXR 0.80
0.80-1%d +2%d
0.80
0.795-0.80
TXR 0.85
0.85-1%d +2%d
0.85
0.845-0.85
TXR 1.04
1.04-1%d +2%d
1.04
1.034-1.04
TXR 1.13
1.13-1%d +2%d
1.13
1.124-1.13
TXR 1.37
1.37-1%d +2%d
1.37
1.36-1.37
TXR 1.70
1.70-1%d +2%d
1.70
1.685-1.69
TXR 1.78
1.78-1%d +2%d
1.78
1.765-1.77
TXR 2.03
2.03-1%d +2%d
2.03
2.01-2.02
TXR 2.14
2.14-1%d +2%d
2.14
2.12-2.13
TXR 2.25
2.25-1%d +2%d
2.25
2.23-2.24
TXR 2.52
2.52-1%d +2%d
2.52
2.50-2.51
TXR 2.76
2.76-1%d +2%d
2.76
2.74-2.75
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