Copper strip for cable
In strict accordance with the GB / T 11091-2014 standard, this standard specifies the requirements, test methods, inspection rules and marks, packaging, transportation and storage of copper strips for cables. This standard is applicable to the production of copper strip for communication cable products.
Table 1Brand
Supply status
Specification/mm²
Thickness
Width
TU1、TU2、T2、TP2
M(软)、Y8（1/8硬）、Y4(1/4硬)
0.10～0.70
15～620
Note:
1. The supply and demand sides can also supply other brands, states and specifications of the strip.
2. The length of products shall be determined by both parties.
Table 2
Thickness
Allowable thickness deviation/±
Width
Allowable width deviation/±
Ordinary grade
High precision
15～100
＞100～620
0.07～0.30
0.008
0.005
15～620
0.10
0.15
＞0.30～0.50
0.015
0.010
＞0.50～0.80
0.020
0.015
Note: when the demander requires one-way deviation, the value is twice of the value in the table
Table 3
Brand
State
Tensile strength Rm/MPa
Elongation after fracture A11.3/%
Vickers hardness HV
TU1、TU2
M
200～260
≥35
50～60
Y8
220～275
≥32
50～65
Y4
235～290
≥30
55～70
T2、TP2
M
220～270
≥30
50～65
Y8
230～285
≥2855～70
Y4
245～300
≥25
—
Note: for the strip with thickness less than 0.20 mm, the mechanical properties shall be determined by both parties.
Table 4
Alloy grade
State
Conductivity/
%JACS
Resistance coefficient/
Ω·mm²/m
TU1
M
≥100
≤0.017 241
Y8
≥99
≤0.017 415
Y4
≥98
≤0.017 593
TU2
M
≥99
≤0.017 415
Y8
≥98
≤0.017 593
Y4
≥97
≤0.017 774
T2
M
≥98
≤0.017 593
Y8
≥97
≤0.017 774
Y4
≥96
≤0.017 959