English
Copper or aluminium and its alloy bus bars are main used as winding wire of distribution line or electrical equipments.
GB/T 5585-2005
铜母线截面尺寸范围：2.24mm≤a≤50.00mm，16.00mm≤b≤400.00mm。
铝母线截面尺寸范围：2.24mm≤a≤31.50mm，16.00mm≤b≤200.00mm。
三、产品性能Product performance：
铜母线Copper：
1）抗拉强度、伸长率和硬度Tensile strength、Elongation & Hardness
|
型号 Type |
铜和铜合金母线全部规格All specifications |
||
|
抗拉强度 Tensile strength N/mm2 |
伸长率 Elongation % |
布氏硬度 Hardness HB |
|
|
TMR、THMR |
≥206 |
≥35 |
— |
|
TMY、THMY |
— |
— |
≥65 |
2）弯曲Curve
宽边弯曲90°，表面不出现裂纹，弯曲圆柱的直径按照厚度a选定，宽边弯曲直径符合下表：
There is no crack when curve 90°by the broad side and choose the diameter of cylinder based on a.
|
厚度a Thickness a |
弯曲直径 Curving diameter |
|
a≤2.80 |
4 |
|
2.80＜a≤4.75 |
8 |
|
4.75＜a≤10.00 |
16 |
|
10.00＜a≤25.00 |
32 |
|
25.00＜a |
64 |
3）电阻率Resistivity
|
型号 Type |
20℃时直流电阻率 Resistivity when 20℃ Ω·mm2/m |
导电率 Conductivity %IACS |
|
TMR、THMR |
≤0.017241 |
≥100 |
|
TMY、THMY |
≤0.01777 |
≥97 |
4）直度Straightness
硬铜母线在1m长度内的直度不超过4mm。
Straightness of hard copper bus bars is not more than 4mm per 1m.
铝母线Aluminium：
1）抗拉强度、伸长率Tensile strength & Elongation
|
型号 Type |
铝和铝合金母线全部规格All Specifications |
|
|
抗拉强度 Tensile strength N/mm2 |
伸长率 Elongation % |
|
|
LMR、LHMR |
≥68.6 |
≥20 |
|
LMY、LHMY |
≥118 |
≥3 |
3）弯曲Curve
宽边弯曲90°表面不出现裂纹，弯曲圆柱直径按厚度a选定：
There is no crack when curve 90°by the broad side and choose the diameter of cylinder based on a.
|
厚度a Thickness a |
弯曲直径 Curving diameter |
|
a≤2.50 |
10 |
|
2.50＜a≤4.00 |
16 |
|
4.00＜a≤8.00 |
32 |
|
8.00＜a≤16.00 |
64 |
|
16.00＜a |
126 |
3）电阻率Resistivity
|
型号 Type |
20℃时直流电阻率 Resistivity when 20℃ Ω·mm2/m |
导电率 Conductivity %IACS |
|
LMR、LHMR |
≤0.028264 |
≥61.0 |
|
LMY、LHMY |
≤0.0290 |
≥59.5 |
4）直度Straightness
硬铝母线在1m长度内的直度不超过2mm。
Straightness of hard aluminium bus bars is not more than 4mm per 1m..
四、化学组分Chemical composition：
|
型号 Type |
名称 Name |
材料化学组分 Chemical composition |
|
|
铜+银 不少于 Cu+Ag |
其中含银 Ag |
||
|
TM |
铜母线 |
99.90 |
/ |
|
TH11M |
一类银铜合金母线 |
99.90 |
0.08～0.15 |
|
TH12M |
二类银铜合金母线 |
99.90 |
0.16～0.25 |