China New Product Ffc Copper Foil - Bronze Strip – CIVEN
China New Product Ffc Copper Foil - Bronze Strip – CIVEN Detail:
Product Introduction
Bronze strip is copper with tin, aluminum, and trace elements as raw materials, through processing by ingots, hot rolled, cold rolled, heat treatment, surface cleaning, cutting, finishing and packing, materials with high yield strength, fatigue strength, elastic properties and excellent bending formability. It has been widely used in computer CPU socket, car terminals, mobile phone keypad, electrical and other high-tech electronics connectors.
Main Technical Parameters
3-1 Chemical Composition
Name |
Alloy No. |
Chemical Composition( %,Max.) |
||||||||
Sn |
Al |
Zn |
Ni |
Fe |
Pb |
P |
Cu |
Impurity |
||
Tin Bronze |
QSn4-0.3 |
3.5-4.9 |
— |
0.30 |
0.2 |
0.10 |
0.05 |
0.03-0.35 |
Rem |
0.2 |
QSn4-3 |
3.5-4.5 |
0.002 |
2.7-3.3 |
0.2 |
0.05 |
0.02 |
0.03-0.35 |
Rem |
0.2 |
|
QSn6.5-0.1 |
6.0-7.0 |
0.002 |
0.3 |
0.2 |
0.02 |
0.02 |
0.1-0.25 |
Rem |
0.1 |
|
QSn8-0.3 |
7.0-9.0 |
—— |
0.2 |
0.2 |
0.10 |
0.05 |
0.03-0.35 |
Rem |
0.1 |
|
Aluminum Bronze |
QAl5 |
0.1 |
4.0-6.0 |
0.5 |
0.5 |
0.5 |
0.03 |
0.01 |
Rem |
1.6 |
QAl7 |
—– |
6.0-8.5 |
0.2 |
0.5 |
0.5 |
0.02 |
—— |
Rem |
—— |
|
QAl9-2 |
0.1 |
8.0-10.0 |
1.0 |
0.5 |
0.5 |
0.03 |
0.01 |
Rem |
1.7 |
Name |
Alloy No. |
Chemical Composition( %,Max.) |
|||||||||
Be |
Al |
Si |
Ni |
Fe |
Pb |
Ti |
Co |
Cu |
Imputrity |
||
Beryllium Bronze |
QBe2 |
1.8-2.1 |
0.15 |
0.15 |
0.2-0.4 |
0.15 |
0.005 |
— |
— |
Rem |
0.5 |
QBe1.9 |
1.85-2.1 |
0.15 |
0.15 |
0.2-0.4 |
0.15 |
0.005 |
0.10-0.25 |
— |
Rem |
0.5 |
|
QBe1.7 |
1.6-1.85 |
0.15 |
0.15 |
0.2-0.4 |
0.15 |
0.005 |
0.10-0.25 |
— |
Rem |
0.5 |
|
QBe0.6-2.5 |
0.4-0.7 |
0.20 |
0.20 |
—— |
0.10 |
— |
— |
2.4-2.7 |
Rem |
— |
|
QBe0.4-1.8 |
0.2-0.6 |
0.20 |
0.20 |
1.4-2.2 |
0.10 |
— |
— |
0.30 |
Rem |
— |
|
QBe0.3-1.5 |
0.25-0.5 |
0.20 |
0.20 |
—— |
0.10 |
— |
— |
1.4-1.7 |
Rem |
— |
3-2 Alloy Table
Name |
China |
ISO |
ASTM |
JIS |
Tin Bronze |
QSn4-0.3 |
CuSn4 |
C51100 |
C5101 |
QSn4-3 |
CuSn4Zn2 |
— |
— |
|
QSn6.5-0.1 |
CuSn6 |
C51900 |
C5191 |
|
QSn8-0.3 |
CuSn8 |
C52100 |
C5210 |
|
Aluminum Bronze |
QAl5 |
CuAl5 |
C60600 |
—— |
QAl7 |
CuAl7 |
C61000 |
—— |
|
QAl9-2 |
CuAl9Mn2 |
—— |
—— |
|
Beryllium Bronze |
QBe2 |
CuBe2 |
C17200 |
C1720 |
QBe1.9 |
—— |
—— |
—— |
|
QBe1.7 |
CuBe1.7 |
C17000 |
C1700 |
|
QBe0.6-2.5 |
—— |
C17500 |
C1750 |
|
QBe0.4-1.8 |
—— |
C17510 |
C1751 |
|
QBe0.3-1.5 |
—— |
C17600 |
C1760 |
Main Technical Parameters
3-3-1Specification Unit: mm
Name |
Alloy No.(China) |
Temper |
Size(mm) |
|
Thickness |
Width |
|||
Tin Bronze Strip |
QSn4-3 QSn4-0.3 QSn6.5-0.1QSn8-0.3 |
O 1/2H H EH |
>0.12~2.0 |
≤600 |
O H EH |
||||
Aluminum Bronze Strip |
QA15 QA17 QA19-2 |
O H |
>0.2~1.2 |
80~300 |
1/2H H |
||||
O H EH |
>0.2~1.2 |
80~300 |
||
Beryllium Bronze Strip |
QBe2 QBe1.9 QBe1.7 QBe0.6-2.5 QBe0.4-1.8 QBe0.3-1.5 |
O |
0.05-1.5 |
10~340 |
H |
Temper Mark:O. Soft;1/4H. 1/4 Hard;1/2H. 1/2 Hard;H. Hard;EH. Ultrahard.
3-3-2 Tolerance Unit: mm
Thickness |
Width |
|||
Thickness Allow Deviation± |
Width Allow Deviation ± |
|||
<300 |
<600 |
<400 |
<600 |
|
0.05~0.1 |
0.005 |
—– |
0.2 |
—– |
0.1~0.3 |
0.008 |
0.015 |
0.3 |
0.4 |
0.3~0.5 |
0.015 |
0.020 |
0.3 |
0.5 |
0.5~0.8 |
0.020 |
0.030 |
0.3 |
0.5 |
0.8~1.2 |
0.030 |
0.040 |
0.4 |
0.6 |
3-3-3 Mechanical Performance:
Temper |
Tensile Strength N/mm2 |
Elongation ≥% |
Hardness HV |
|
M |
(O) |
≥295 |
40 |
—— |
Y4 |
(1/4H) |
390-510 |
35 |
100-160 |
Y2 |
(1/2H) |
440-570 |
10 |
160-205 |
Y |
(H) |
540-690 |
8 |
180-230 |
T |
(EH) |
≥640 |
5 |
≥200 |
Temper Mark:O. Soft;1/4H. 1/4 Hard;1/2H. 1/2 Hard;H. Hard;EH. Ultrahard.
Product detail pictures:

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As for competitive charges, we believe that you will be searching far and wide for anything that can beat us. We will state with absolute certainty that for such excellent at such charges we have been the lowest around for China New Product Ffc Copper Foil - Bronze Strip – CIVEN , The product will supply to all over the world, such as: Armenia, Croatia, Korea, We taking advantage of experience workmanship, scientific administration and advanced equipment, ensure the product quality of production, we not only win the customers' faith, but also build up our brand. Today, our team is committed to innovation, and enlightenment and fusion with constant practice and outstanding wisdom and philosophy, we cater to the market demand for high-end goods, to do experienced products and solutions.

We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
