Copper, aluminum and alloy bus
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 |