According to the oxygen content and impurity content, oxygen free copper is divided into No. 1 and No. 2 oxygen free copper strip. The purity of No. 1 oxygen-free copper reaches 99.97%, the oxygen content is not more than 0.003%, and the total impurity content is not more than 0.03%; The purity of No. 2 oxygen-free copper reaches 99.95%, the oxygen content is not more than 0.005%, and the total impurity content is not more than 0.05%.
Oxygen Free Copper Strip
Copper strip factory, more than 10 years manufacture experience, attained ISO9001, work on OEM and ODM projects..
1.Introduction of the Oxygen free copper strip
According to the oxygen content and impurity content, oxygen-free copper is divided into No. 1 and No. 2 oxygen-free copper.
The purity of No. 1 oxygen-free copper reaches 99.97%, the oxygen content is not more than 0.003%, and the total impurity content is not more than 0.03%;
The purity of No. 2 oxygen-free copper reaches 99.95%, the oxygen content is not more than 0.005%, and the total impurity content is not more than 0.05%.
2. Grade and temper for Oxygen free copper strip
Grade: TU1 ,TU2, C101, C10100, C10200, CDA101 ,CDA102,
Temper: O(M), 1/4H(Y4), 1/2H(Y2), H(Y), HH(T)
3. Chemical composition of Oxygen free copper strip
TU1/ C10100 Chemical composition
(Cu+Ag) ≥99.97
(Pb) ≤0.003
(Zn) ≤0.003
(Fe) ≤0.004
(P) ≤0.002
(Bi) ≤0.001
(Sb) ≤0.002
(S) ≤0.004
(Sn) ≤0.002
(Ni) ≤0.002
(As) ≤0.002
(O) ≤0.002
Impurities% ≤0.03
TU2/ C10200 Chemical composition
Cu+Ag：≥99.95
Sn ：≤0.002
Zn：≤0.003
Pb：≤0.004
P：≤0.002
Ni：≤0.002
Fe：≤0.004
Sb ：≤0.002
S ：≤0.004
As ：≤0.002
Bi：≤0.001
O：≤0.003
Impurities%：≤0.05
4. Dimension and tolerance of Oxygen free copper strip
|
Width |
Thickness |
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|
|
≤1.0 |
＞1.0～1.5 |
＞1.5～2.5 |
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|
|
Thickness tolerance / ± |
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|
|
Ordinary Level |
Ordinary Level |
Ordinary Level |
Ordinary Level |
Ordinary Level |
Ordinary Level |
|
≤100 |
0.2 |
0.10 |
0.3 |
0.20 |
0.4 |
0.25 |
|
＞100～300 |
0.3 |
0.15 |
0.4 |
0.25 |
0.5 |
0.30 |
|
＞300～600 |
0.5 |
0.30 |
0.6 |
0.40 |
0.6 |
0.50 |
|
＞600～1000 |
0.8 |
0.60 |
0.8 |
0.70 |
0.8 |
— |
5. Mechanical properties for Oxygen free copper strip
|
Grade |
Temper |
Thickness /mm |
Tensile strength |
Elongation（%） |
Vickers hardness HV |
|
（MPa） |
|||||
|
TU1 |
M（soft） |
≥0.2 |
≥195 |
≥30 |
≤70 |
|
TU2 |
Y4（1/4H） |
215~275 |
≥25 |
60~90 |
|
|
C1010 |
Y2（1/2H） |
245~345 |
≥8 |
80~110 |
|
|
C1020 |
Y（H） |
295~380 |
≥3 |
90~120 |
|
|
|
T（HH） |
≥350 |
— |
≥110 |
6. Application of Oxygen free copper strip
Oxygen-free copper products are mainly used in the electronics industry and electric vacuum devices and instruments and meters.
7. Manufacture plant of Oxygen free copper strip
8. Tests and inspection for Oxygen free copper strip
Test instrument : Metallographic Microscope; Digital Light Processor; Strength Tester; Hardness Tester.
9. Mill certificate for Oxygen free copper strip
10. Packing and shipping for Oxygen free copper strip
Packing:
First wrapped by anti-rust paper, second wrapped by plastic film, then packed by wooden box or wooden pallet ..
Shipping:
We
will choose the best way according to customer’s requests.
1.
By Air, to the indicated airport.
2. By Express (FedEx, UPS, DHL, TNT,EMS), to the indicated address.
2. By Sea, to the indicated sea port.
11.Questions and Answers
a1. Do you have ISO certificate?
Yes, we obtained ISO9001
a2. How long is your delivery time forOxygen free copper strip?
If the master coil is available, 3-7 days do slitting will be ready , if not, will need 20-25 days for new production.
a3. Can you help us to choose suitable material?
Yes, we can recommend the most suitable material according to your application.
a4. How do you control quality?
We produce strictly according to customer’s drawings and requests, here are strict control plan in every process, full check of each parts, strive to provide customer 100% quality products, ROHS/SGS test report, material certificate are available.
a5. Do you provide sample? Free or charge?
Yes, if the sample in stock available, free of charge, if not, need to charge some mfg cost.
