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C51000 Phosphor Bronze


C51000 Phosphor Bronze 5% A, cast and cold drawn. Excellent soldering and brazing capability. Corrosion resistant.


Typical Applications

Architecture

Bridge Bearing Plates

Electrical

Resistance Wire, Fuse Clips, Electromechanical Spring Components, Electrical Flexing Contact Blades, Electrical Connectors, Electronic Connectors, Wire Brushes, Switch Parts, Electronic and Precision Instrument Parts

Fasteners

Fasteners, Cotter Pins, Lock Washers

Industrial

Bourdon Tubes, Bellows, Perforated Sheets, Chemical Hardware, Truss Wire, Springs, Sleeve Bushings, Diaphragms, Clutch Disks, Pressure Responsive Elements, Beater Bar, Textile Machinery, Welding Rods


Chemical Composition

Sn%Cu%Pb%Zn%Fe%Ni%P%
4.2-5.8Rem.0.050.300.10N/A0.03-0.35

Mechanical Properties

Mechanical - H04 Hard Temper: 1/2" to 1" Inclusive Rd and Hex
Tensile Strength, min60 ksi415 MPa
Yield Strength @ .5% ext under load minN/AN/A
Elongation in 2 in. or 50 mm min, %15
Brinell HardnessN/A
Machinability Rating20%
Mechanical - H04 Hard Temper: Over 1" Rd and Hex
Tensile Strength, min40 ksi275 MPa
Yield Strength @ .5% ext under load min25 ksi170 MPa
Elongation in 2 in. or 50 mm min, %12
Brinell Hardness, minN/A
Machinability Rating80%
Mechanical - H04 Hard Temper: 2" Dia. and Under
Tensile Strength, min55 ksi380 MPa
Yield Strength @ .5% ext under load minN/AN/A
Elongation in 2 in. or 50 mm min, %18
Brinell Hardness, minN/A
Machinability Rating20%
Mechanical - H04 Hard Temper: 3/8" to 1/2" Rd
Tensile Strength, min90 ksi620 MPa
Yield Strength @ .5% ext under load minN/AN/A
Elongation in 2 in. or 50 mm min, %9
Brinell Hardness, minN/A
Machinability Rating20%

Physical Properties

 US CustomaryMetric
Melting Point-Liquidus1920 °F
1049 °C
Melting Point-Solidus1750 °F
954 °C
Density0.32 lb/in 3
@ 68 °F
8.86 gm/cm 3
@ 20 °C
Specific Gravity8.86
8.86
Electrical Resistivity24.70 ohms-cmil/ft
@ 68 °F
4.11 microhm-cm
@ 20 °C
Electrical Conductivity15% IACS
@ 68 °F
0.088 MegaSiemens/cm
@ 20 °C
Thermal Conductivity40 Btu/sq ft/ft hr/°F
@ 68 °F
69.2 W/m
@ 20 °C
Coefficient of
Thermal Expansion
9.9  ⋅ 10-6 per °F
(68-572 °F)
17.1 ⋅ 10-6 per °C
(20-300 °C)
Specific Heat Capacity0.09 Btu/lb/°F
@ 68 °F
377.1 J/kg
@293 °C
Modulus of Elasticity
in Tension
16000 ksi110310 MPa
Magnetic Permeability6000 ksi41370 Mpa

Fabrication Properties

Joining TechniqueSuitability
SolderingExcellent
BrazingExcellent
Oxyacetylene WeldingFair
Gas Shielded Arc WeldingGood
Coated Metal Arc WeldingFair
Spot WeldGood
Seam WeldFair
Butt WeldExcellent
Capacity for being Cold WorkedExcellent
Capacity for being Hot WorkedPoor

Call us today to discuss your application at 888-DURA-BAR (888.387.2227) or click to complete our quote form.