Manufacturer of Custom Machined Parts

Cast C53400

Phosphor bronze alloys such as C53400, also known as C534, consist of copper with 0.50–11.00% of tin and 0.01–0.35% phosphorus. The tin increases the corrosion resistance and strength of the alloy. The phosphorus increases the wear resistance and stiffness of the alloy. These alloys are notable for their toughness, strength, low coefficient of friction, and fine grain.

Information

PRODUCT DESCRIPTION: Phosphor Bronze B-1
TEMPERS: H04 Hard
SOLIDS: 3/8” to 2 1/2” O.D.
HEX: 3/8" to 2" O.D.
RECTANGLES: Consult Mill
STANDARD LENGTHS: 144”

Typical Uses

INDUSTRIAL: bearings, bushings, fasteners

Similar or Equivalent Specification

CDAASTMSAEAMSFederalMilitaryOther
C53400B139 B139M

Chemical Composition

Cu%Pb%Sn%Zn%Fe%P%
Rem.0.80-1.203.50-5.800.300.100.03-0.35

Chemical Composition according to ASTM B139/B139M-12(2017)

Note: Cu + Sum of Named Elements, 99.5% min. Single values represent maximums.

Machinability

Copper Alloy UNS No.Machinability RatingDensity (lb / in³ at 68 °F)
C53400700.320

Mechanical Properties

Mechanical Properties according to ASTM B139/B139M-12(2017)

H04 Hard
Size Range: Over 1/16" to 1/4" Round and Hexagonal Inclusive

Tensile Strength, minYield Strength, at 0.5% Extension Under Load, minElongation, 4x Diameter or Specimen Thickness, min Rockwell "B" HardnessRemarks
ksiMPaksiMPa%typical HRB
65450886

Size Range: 1/4" to 1/2" Round and Hexagonal Inclusive

Tensile Strength, minYield Strength, at 0.5% Extension Under Load, minElongation, 4x Diameter or Specimen Thickness, min Rockwell "B" HardnessRemarks
ksiMPaksiMPa%typical HRB
604151086

Size Range: Over 1/2" to 1" Round and Hexagonal Inclusive

Tensile Strength, minYield Strength, at 0.5% Extension Under Load, minElongation, 4x Diameter or Specimen Thickness, min Rockwell "B" HardnessRemarks
ksiMPaksiMPa%typical HRB
553801286

Size Range: Over 1" Round and Hexagonal

Tensile Strength, minYield Strength, at 0.5% Extension Under Load, minElongation, 4x Diameter or Specimen Thickness, min Rockwell "B" HardnessRemarks
ksiMPaksiMPa%typical HRB
503451586

Physical Properties

 US CustomaryMetric
Melting Point - Liquidus1920 °F 1049 °C
Melting Point - Solidus1750 °F 954 °C
Density0.32 lb/in³ at 68 °F 8.91 gm/cm³ at 20 °C
Specific Gravity8.918.91
Electrical Conductivity15% IACS at 68 °F 0.08 MegaSiemens/cm at 20 °C
Thermal Conductivity40 Btu/sq ft/ft hr/°F at 68 °F 69.28 W/m at 20 °C
Coefficient of Thermal Expansion 68-5729.9 · 10-6 per °F (68-572 °F)17.1 · 10-6 per °C (20-300 °C)
Specific Heat Capacity0.09 Btu/lb/°F at 68 °F377.1 J/kg at 20 °C
Modulus of Elastic in Tension16000 ksi110310 MPa
Modulus of Rigidity6400 ksi41300 MPa

Fabrication Properties

TechniqueSuitability
SolderingExcellent
BrazingGood
Oxyacetylene WeldingPoor
Gas Shielded Arc WeldingFair
Coated Metal Arc WeldingPoor
Spot WeldFair
Seam WeldFair
Butt WeldGood
Capacity for Being Cold WorkedGood
Capacity for Being Hot FormedPoor
Machinability Rating70

Thermal Properties

TreatmentMinimum *Maximum *
Annealing9001250

* Temperature is measured in Fahrenheit

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