C519 Phosphor Bronze (CuSn6)

  • Home
  • Fisk Products
  • C51900

Overview

A phosphor bronze, alloy C519 has 6% nominal tin producing higher mechanical strengths with a slight decrease in electrical conductivity when compared to C510 phosphor bronze. Often functionally interchangeable with C510 which predominates in North America, alloy C519 is generally used in Europe.

Physical Properties

Annealing Range (Min) 700 °F
Annealing Range (Max) 1350 °F
Density 0.319 lb/in³
Electrical Resistivity (Annealed) 74.1 Ω·cir-mil/ft @ 68 °F
Electrical Conductivity (Annealed) 14% IACS @ 68 °F
Thermal Conductivity 38 Btu/ft²/ft·hr/°F @ 68 °F
Coefficient of Thermal Expansion 10 per °F (68-572 °F)
Modulus of Elasticity (Tension) 16 ksi
Modulus of Rigidity (Tension) 6 ksi
Melting Point (Solidus) 1,700 °F
Melting Point (Liquidus) 1,900 °F
Annealing Range (Min) 371 °C
Annealing Range (Max) 732 °C
Density 8.94 gm/cm³
Electrical Resistivity (Annealed) 12.32 µΩ·cm @ 20 °C
Electrical Conductivity (Annealed) 0.08 MS·cm @ 20 °C
Thermal Conductivity 66 W/m·K @ 20 °C
Coefficient of Thermal Expansion 18 per °C (20-300 °C)
Modulus of Elasticity (Tension) 110 Mpa
Modulus of Rigidity (Tension) 41 Mpa
Melting Point (Solidus) 927 °C
Melting Point (Liquidus) 1,038 °C

Round Wire

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
MILL LIMITS
(inch)
Min Max
Annealed R370 54.0 68.0 .0010 - .1285 inch
1/4 Hard R460 67.0 81.0
1/2 Hard R560 81.0 97.0
3/4 Hard R670 97.0 115
Hard R790 115 138
Spring R950 138  
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
Annealed R370 370 470 .0254 - 3.264 mm
1/4 Hard R460 460 560
1/2 Hard R560 550 670
3/4 Hard R670 660 800
Hard R790 790 960
Spring R950 950  

Square Wire

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
MILL LIMITS
(inch)
Min Max
Annealed R370 54.0 68.0 .0100 - .0808 inch 
1/4 Hard R460 67.0 81.0
1/2 Hard R560 81.0 97.0
3/4 Hard R670 97.0 115
Hard R790 115 138
Spring R950 138  
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
Annealed R370 370 470 .2540 - 1.905 mm
1/4 Hard R460 460 560
1/2 Hard R560 550 670
3/4 Hard R670 660 800
Hard R790 790 960
Spring R950 950  

Rolled Flat

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
MILL LIMITS
(inch)
Min Max
Spring O60 48.0 63.0 Thickness:
.0100 - .0500 inch

Width:
.0150 - .2500 inch
Spring H02 64.0 79.0
Spring H04 80.0 96.0
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
Spring O60 330 440 Thickness:
.2540 - 1.905 mm

Width:
.3810 - 6.350 mm
Spring H02 440 550
Spring H04 550 670

Contact Request

Please provide your contact information along with any relevant details, below, and a representative from Fisk Alloy will contact you shortly.

Quality Second to None

Providing Innovative and Sustainable Solutions

If you’d like to request a sample, have specific product questions, or you’re interested in finding out more about which Fisk products might be best for your application or design, please fill out the form and we will contact you.

Environmental
Sensitivity
Personalized
Solutions
Performance
Measures