Copper, aluminum and alloy bus

Application range

Copper or aluminium and its alloy bus bars are main used as winding wire of distribution line or electrical equipments.

Executive standard

GB/T 5585-2005

Model Name

 

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

National service hotline

023-67166111

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