ISO Qualified Cusn8 Copper Tin Alloy Strip
Phosphor bronze factory, more than 12 years manufacture experience, attained ISO9001, work on OEM and ODM projects..
1. Introduction of the C52100 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. It is wear-resistant, has very good corrosion resistance and can be readily soldered.
2. Grade and temper for C52100 CuSn8 Phosphor Bronze strip
Grade: C5210, C52100, CDA521, C521, PB104, CuSn8
Temper: O, 1/4H, 1/2H, H, EH,SH
3. Chemical composition of C52100 CuSn8 Phosphor Bronze strip
Chemical composition
| Grade |
Cu |
Fe |
Pb |
P |
Sn |
Zn |
| C52100 |
Balance |
0.1max |
0.05max |
0.15-0.35 |
7.0 - 9.0 |
0.2max |
Different countries' Standard comparison table of Phosphor 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 |
4. Mechanical properties for C52100 CuSn8 Phosphor Bronze strip
Mechanical properties
| 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 |
5. Characteristic of C52100 CuSn8 Phosphor Bronze strip
• High Strength
• Good Formability
• Good corrosion resistance
• Easy welding and soldering
• Fatigue Resistant
6. Application of C52100 CuSn8 Phosphor Bronze strip
C52100 / CuSn8 mainly used in the manufacture of elastic element, wearing parts in precision instruments and meters and diamagnetic parts, such as good conductivity spring contact piece or other spring; The gear precision instruments, brush box, contactor, clutch friction plate, diaphragm, fasteners, washer, switch components, porous plate, etc
7. Manufacture plant of C52100 CuSn8 Phosphor Bronze strip
8. Tests and inspection for C52100 CuSn8 Phosphor Bronze strip
Test instrument : Metallographic Microscope; Digital Light Processor; Strength Tester; Hardness Tester.
9.Mill certificate for C52100 CuSn8 Phosphor Bronze strip
10. Packing and shipping for C52100 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 for C52100 CuSn8 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.
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