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1.The copper flexible stranded wire is made of super-quality round copper wire or tinning round copper wire,this product has passed tenacity processing,so the complete-product is soft and its outline is beautiful.
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2.The DC electrical resistivity(20°c)of copper braided wire is low than 0.0182Ω.mm2/m,the DC electrical resistivity(20°c)of tinning copper braided wire is low than 0.0193Ω.mm2/m.
Notes:if having special demand GB12970.2-91,customer please contact our corporation directly
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ApplicationÂ
Solid and stranded bare copper conductors are suitable for overhead transmission and distribution applications.
Stranded conductors of greater flexibility are suitable for uninsulated hook up, jumpers and grounds in electrical construction.
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StandardÂ
 ASTM B-1 Hard Drawn Copper Wire. ASTM B-2 Medium-Hard Drawn Copper Wire. ASTM B-3 Soft or Annealed Copper Wire. ASTM B-8 Concentric Lay Stranded Copper Conductors, Hard, MediumHard, or Soft.
Technical Data-(ASTM B2 & B8)
Stranded Class
AA
Nominal Cross-sectional Area(AWG)
Number of Wires/Diameter of Wires (mils)
Nominal Cross-sectional Area(mm2)
Max.D.C.resistance Of Conductor At 20ºC
Appro.Weight
Tensile Strength min/max
Nominal Elongation,% min
(lbs/1000ft)
(Ω/km)
(lbs/1000ft)
(Kg/km)
(Mpa)
In 10 in.(250 mm)
4/0
7/173.9
107.2
0.0500
0.164
653.1
972.0
290/340
3.8
3/0
7/154.8
85.0
0.0630
0.207
518.1
771.1
295/345
3.6
2/0
7/137.9
67.4
0.0795
0.261
410.9
611.5
305/350
3.2
1/0
7/122.8
53.5
0.100
0.328
325.8
484.9
310/360
3.0
 CONSTRUCTION-(ASTM B2 & B8)
Size
Stranding
Stranding Class
Weight
Diameter (mils)
Medium-Hard Drawn
Individual Wires
Complete Conductor
Rated Strength
DC Resistance @20ºC
(AWG-MCM)
Number of Wires
(lbs/1000 ft)
(lbs)
(ohms/1000 ft)
STRANDED
8
7
B
51
49
146
610
0.6629
6
7
B
81
61
184
959
0.4169
4
7
A, B
128.9
77
232
1505
0.2622
3
7
A, B
162.5
87
260
1885
0.2079
2
7
A, B
204.9
97
292
2360
0.1650
1
7
A
258.4
109
328
2955
0.1309
1/0
7
A, AA
326.1
123
368
3705
0.1037
2/0
7
A, AA
410.9
138
414
4640
0.08224
2/0
19
B
410.9
84
418
4765
0.08224
3/0
7
A, AA
518.1
155
464
5812
0.06522
4/0
7
A, AA
653.3
174
522
7278
0.05172
4/0
19
B
653.3
106
528
7479
0.05172
250
19
A
771.9
115
574
8836
0.04378
250
37
B
771.9
82
575
8952
0.04378
300
19
A
926.2
126
628
10530
0.03648
350
19
A
1080.6
136
679
12200
0.03127
500
37
A, B
1543.8
116
814
17550
0.02189
600
37
A, AA
1852.5
127
891
21060
0.01825
750
61
A, B
2315.6
111
998
26510
0.01459
1000
61
A, B
3087.5
128
1152
35100
0.01094
 BS 7884
Nominal
Sectional AreaNumber & Diameter of Wire
Overall Diameter
Maximum Conductor Resistance @ 20°C
Allowable Ampacities in Free Air
Cable Weight (approx)
Standard Packing
mm²
No. / mm
mm
Ω / km
A
kg / km
m
10
7/1.35
4.05
1.83
90
90
1,000/R
16
7/1.70
5.10
1.15
125
143
1,000/R
25
7/2.14
6.42
0.727
160
227
1,000/R
35
19/1.53
7.65
0.524
200
314
1,000/R
50
19/1.78
8.90
0.387
250
428
1,000/R
70
19/2.14
10.70
0.268
310
618
1,000/R
95
19/2.52
12.60
0.193
380
858
1,000/R
120
37/2.03
14.21
0.153
440
1,097
1,000/R
150
37/2.25
15.75
0.124
510
1,334
1,000/R
185
37/2.52
17.64
0.0991
585
1,673
1,000/R
240
61/2.25
20.25
0.0754
700
2,200
1,000/R
300
61/2.52
22.68
0.0601
800
2,760
1,000/R
400
61/2.85
25.65
0.0470
900
3,350
1,000/R
500
61/3.20
28.80
0.0366
1,110
4,451
Package
Package in Export Wooden or Steel Wooden or Steel Drums
Â
About us
We were founded in 2007, located in Gongyi Henan,China. We have 2Â factories (Headquarters Factory-produce insulated cables and Zhulin branch-produce bare conductors), occupies total area of more than 300,000 square meters, with building area 230,000 square meters.
Certificate
As first rank of the cable supplier in China, we have obtained CCC, ISO9001, ISO14001, OHSAS certificates, passed the SGS and BV test, and our brand "RMJT" be given China famous brand.
Customer Visit  Â
We have a professional sales team with each of them has engaged in this job for 3-10 years, so that we can provide the comprehensive and professional technology for you. With the perfect quality and after sales service, till now we have exported to more than 80 countries, welcome to visit us and establish win-win establish relationship!
Contact us
Sara Liu
TEL: +86-371-55632825
Mobile: +86 13526585094Â
Â
Â
DescriptionÂ
1.The copper flexible stranded wire is made of super-quality round copper wire or tinning round copper wire,this product has passed tenacity processing,so the complete-product is soft and its outline is beautiful.
Â
2.The DC electrical resistivity(20°c)of copper braided wire is low than 0.0182Ω.mm2/m,the DC electrical resistivity(20°c)of tinning copper braided wire is low than 0.0193Ω.mm2/m.
Notes:if having special demand GB12970.2-91,customer please contact our corporation directly
Â
Â
ApplicationÂ
Solid and stranded bare copper conductors are suitable for overhead transmission and distribution applications.
Stranded conductors of greater flexibility are suitable for uninsulated hook up, jumpers and grounds in electrical construction.
Â
StandardÂ
 ASTM B-1 Hard Drawn Copper Wire. ASTM B-2 Medium-Hard Drawn Copper Wire. ASTM B-3 Soft or Annealed Copper Wire. ASTM B-8 Concentric Lay Stranded Copper Conductors, Hard, MediumHard, or Soft.
Technical Data-(ASTM B2 & B8)
Stranded Class
AA
Nominal Cross-sectional Area(AWG)
Number of Wires/Diameter of Wires (mils)
Nominal Cross-sectional Area(mm2)
Max.D.C.resistance Of Conductor At 20ºC
Appro.Weight
Tensile Strength min/max
Nominal Elongation,% min
(lbs/1000ft)
(Ω/km)
(lbs/1000ft)
(Kg/km)
(Mpa)
In 10 in.(250 mm)
4/0
7/173.9
107.2
0.0500
0.164
653.1
972.0
290/340
3.8
3/0
7/154.8
85.0
0.0630
0.207
518.1
771.1
295/345
3.6
2/0
7/137.9
67.4
0.0795
0.261
410.9
611.5
305/350
3.2
1/0
7/122.8
53.5
0.100
0.328
325.8
484.9
310/360
3.0
 CONSTRUCTION-(ASTM B2 & B8)
Size
Stranding
Stranding Class
Weight
Diameter (mils)
Medium-Hard Drawn
Individual Wires
Complete Conductor
Rated Strength
DC Resistance @20ºC
(AWG-MCM)
Number of Wires
(lbs/1000 ft)
(lbs)
(ohms/1000 ft)
STRANDED
8
7
B
51
49
146
610
0.6629
6
7
B
81
61
184
959
0.4169
4
7
A, B
128.9
77
232
1505
0.2622
3
7
A, B
162.5
87
260
1885
0.2079
2
7
A, B
204.9
97
292
2360
0.1650
1
7
A
258.4
109
328
2955
0.1309
1/0
7
A, AA
326.1
123
368
3705
0.1037
2/0
7
A, AA
410.9
138
414
4640
0.08224
2/0
19
B
410.9
84
418
4765
0.08224
3/0
7
A, AA
518.1
155
464
5812
0.06522
4/0
7
A, AA
653.3
174
522
7278
0.05172
4/0
19
B
653.3
106
528
7479
0.05172
250
19
A
771.9
115
574
8836
0.04378
250
37
B
771.9
82
575
8952
0.04378
300
19
A
926.2
126
628
10530
0.03648
350
19
A
1080.6
136
679
12200
0.03127
500
37
A, B
1543.8
116
814
17550
0.02189
600
37
A, AA
1852.5
127
891
21060
0.01825
750
61
A, B
2315.6
111
998
26510
0.01459
1000
61
A, B
3087.5
128
1152
35100
0.01094
 BS 7884
Nominal
Sectional AreaNumber & Diameter of Wire
Overall Diameter
Maximum Conductor Resistance @ 20°C
Allowable Ampacities in Free Air
Cable Weight (approx)
Standard Packing
mm²
No. / mm
mm
Ω / km
A
kg / km
m
10
7/1.35
4.05
1.83
90
90
1,000/R
16
7/1.70
5.10
1.15
125
143
1,000/R
25
7/2.14
6.42
0.727
160
227
1,000/R
35
19/1.53
7.65
0.524
200
314
1,000/R
50
19/1.78
8.90
0.387
250
428
1,000/R
70
19/2.14
10.70
0.268
310
618
1,000/R
95
19/2.52
12.60
0.193
380
858
1,000/R
120
37/2.03
14.21
0.153
440
1,097
1,000/R
150
37/2.25
15.75
0.124
510
1,334
1,000/R
185
37/2.52
17.64
0.0991
585
1,673
1,000/R
240
61/2.25
20.25
0.0754
700
2,200
1,000/R
300
61/2.52
22.68
0.0601
800
2,760
1,000/R
400
61/2.85
25.65
0.0470
900
3,350
1,000/R
500
61/3.20
28.80
0.0366
1,110
4,451
Package
Package in Export Wooden or Steel Wooden or Steel Drums
Â
About us
We were founded in 2007, located in Gongyi Henan,China. We have 2Â factories (Headquarters Factory-produce insulated cables and Zhulin branch-produce bare conductors), occupies total area of more than 300,000 square meters, with building area 230,000 square meters.
Certificate
As first rank of the cable supplier in China, we have obtained CCC, ISO9001, ISO14001, OHSAS certificates, passed the SGS and BV test, and our brand "RMJT" be given China famous brand.
Customer Visit  Â
We have a professional sales team with each of them has engaged in this job for 3-10 years, so that we can provide the comprehensive and professional technology for you. With the perfect quality and after sales service, till now we have exported to more than 80 countries, welcome to visit us and establish win-win establish relationship!
Contact us
Sara Liu
TEL: +86-371-55632825
Mobile: +86 13526585094Â
Â
Â
Medium-Hard Drawn / Annealed Copper Wire
Model NO.: Copper Wire
Wire Core Material: Aluminum and Steel
Certification: ISO, CCC, SGS BV TUV
Model: ACSR Conductor
Brand: Rmjt
OEM: Yes
Produceing Experience: More Than 30years
Trademark: RMJT
Transport Package: Export Drums
Specification: bare copper conductor
Origin: Henan
HS Code: 7413000000
Model NO.: Copper Wire
Wire Core Material: Aluminum and Steel
Certification: ISO, CCC, SGS BV TUV
Model: ACSR Conductor
Brand: Rmjt
OEM: Yes
Produceing Experience: More Than 30years
Trademark: RMJT
Transport Package: Export Drums
Specification: bare copper conductor
Origin: Henan
HS Code: 7413000000
DescriptionÂ