CuSn8 Phosphor Bronze Strip possesses the best spring properties of all 500 series Phosphor Bronze. High hardness, high strength, coupled with good formability and resistance to fatigue make this alloy an excellent choice where the most severe forming and functional requirements must be met.
CuSn8 Phosphor Bronze Strip
Phosphor bronze factory, more than 10 years manufacture experience, attained ISO9001, work on OEM and ODM projects..
1. Introduction of the CuSn8 Phosphor Bronze strip
CuSn8 / C52100 Phosphor Bronze Strip possesses the best spring properties of all 500 series Phosphor Bronze. High hardness, high strength, coupled with good formability and resistance to fatigue make this alloy an excellent choice where the most severe forming and functional requirements must be met.
2. Grade and temper for CuSn8 Phosphor Bronze strip
Grade: C5210, C52100, CDA521, C521, PB104, CuSn8
Temper: O(M), 1/4H(Y4), 1/2H(Y2), H(Y), HH(T)
Different countries’Standard comparison table of bronze
|
GB |
DIN |
EN |
ISO |
UNS |
JIS |
||
|
- |
CuSn5 |
2.1018 |
CuSn5 |
CW451K |
CuSn5 |
C51000 |
C5102 |
|
QSn6.5-0.1 |
CuSn6 |
2.1020 |
CuSn6 |
CW452K |
CuSn6 |
C51900 |
C5191 |
|
QSn8-0.3 |
CuSn8 |
2.1030 |
CuSn8 |
CW453K |
CuSn8 |
C52100 |
C5210 |
3. Chemical composition of CuSn8 Phosphor Bronze strip
|
Grade |
Cu |
Fe |
Pb |
P |
Sn |
Zn |
|
C52100 |
Balance |
0.1max |
0.05max |
0.15-0.35 |
7.0 – 9.0 |
0.2max |
4. Dimension and tolerance of CuSn8 Phosphor Bronze strip
|
Specification（mm） |
|
|
Thickness |
Width |
|
0.08～0.12 |
≤300 |
|
＞0.12～0.15 |
≤600 |
|
＞0.15～＜0.50 |
≤600 |
|
0.5～3.0 |
≤1000 |
5. Characteristics of CuSn8 Phosphor Bronze strip
|
Mechanical Properties |
|
||
|
Tensile Strength（N/mm²） |
elongation（N/mm²） |
HV |
|
|
≥345 |
≥40 |
/ |
|
|
390-500 |
≥35 |
130-160 |
|
|
490-600 |
≥27 |
160-190 |
|
|
590-705 |
≥20 |
190-210 |
|
|
685-785 |
≥11 |
210-230 |
|
|
≥785 |
≥5 |
≥230 |
|
6. Application of CuSn8 Phosphor Bronze strip
CuSn8 /C52100 is manly used inStamped Parts, springs, Components of Electrical Engineering, Terminals, Contacts, Switch Parts, Electromechanical Spring Components, Resistance Wire, Electrical Flexing Contact Blades, Electrical Connectors, Electronic Connectors, Wire Brushes, Electronic and Precision Instrument Parts, Fuse Clips, Terminal Brackets.etc.
7. Manufacture plant of CuSn8 Phosphor Bronze strip
8. Tests and inspection for CuSn8 Phosphor Bronze strip
Test instrument : Metallographic Microscope; Digital Light Processor; Strength Tester; Hardness Tester.
9. Quality certificate for CuSn8 Phosphor Bronze strip
10. Packing and shipping for CuSn8 Phosphor Bronze 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 forCuSn8 Phosphor Bronze 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.
