Description
Phosphor Bronzes between 0.5 and 11 % tin and 0.01 to 0.35 % phosphorous. The addition of tin increases the corrosion resistance and strength of the alloy. The phosphorous increases the wear resistance and stiffness of the alloy. Phosphor Bronzes have superb spring qualities, high fatigue resistance, excellent formability and solderability, and high corrosion resistance. They are primarily used for electrical products, other uses include corrosion resistant bellows, diaphragms, and spring washers. Leaded phosphor bronzes combine good strength and fatigue resistance with good machinability, high wear resistance and corrosion resistance.
Chemistey Typical
UNS# COPPER TIN LEAD IRON ZINC PHOSPHORUS
C51000 Balance 4.2-5.8 0.05 max 0.10 max 0.30 max 0.03-0.35
C51100 Balance 3.5-4.9 0.05 max 0.10 max 0.30 max 0.03-0.35
C52100 Balance 7.0-9.0 0.05 max 0.10 max 0.20 max 0.03-0.35
C54400 Balance 3.5-4.5 3.0-4.0 0.10 max 1.5-4.5 0.01-0.35
Physical Properties
Typical Density: 0.318 – 0.321 lb/in3, 8.80 – 8.88 g/cm3
Electrical Conductivity: (% IACS at 68°F 20°C, annealed): 13 – 20%
Thermal Conductivity: BTU-in/hr-ft2-°F
At 68°F: 36 – 50
Mean Coefficient of Thermal Expansion: µin/in-°F
68 – 572 °F: 9.6 – 10.1
Modulus of Elasticity: KSI
16 x 103 in tension
Applications
Electrical switch springs, Fuse clips, Electrical connectors, Lock washers, Bearing plates, Gears, Thrust washers, Springs.
FAQ
Q: what does your company do?
A：Our company is a professional manufacturer. We mainly produce stainless steel plate series (hot-rolled and cold-rolled 200, 300 and 400 Series), stainless steel pipe and coil, ppgi and galvanized steel plate and coil.
Q: what are the advantages of your company?
A: (1): high quality and reasonable price.
(2) : extensive and good after-sales service experience.
(3) : each process will be inspected by the responsible QC to ensure the quality of each product.
(4) : professional packaging team to keep each package safely.
(5) : the trial order can be completed within one week.
(6) : samples can be provided according to your requirements.
Q：what’s your price?
A：Our price is very competitive because we are a factory. If you are interested in our products, please feel free to contact us.
Q：how long is your delivery time?
A：Different products have different delivery times. The products will be delivered as soon as possible on the basis of quality assurance. The usual delivery time is within 5 days after we receive your deposit.
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