Manufacturer of Custom Machined Parts

Cast C67400

Information

PRODUCT DESCRIPTION: Manganese Bronze
TEMPERS: Extruded and Drawn
SOLIDS: 3/4" to 3" O.D.
HEX: 3/8" to 2" O.D.
RECTANGLES: Consult Mill
STANDARD LENGTHS: 144”

Typical Uses

INDUSTRIAL: bushings, cams, chain guides, food conveyor chain, gears, shafts, wear plates
OTHER: connecting rods

Similar or Equivalent Specification

CDAASTMSAEAMSFederalMilitaryOther
C67400J461 J463

Chemical Composition

Cu%Pb%Sn%Zn%Fe%Ni%1Al%Mn%Si%
57.00-60.000.500.30Rem.0.350.250.50-2.002.00-3.500.50-1.50

Chemical Composition according to SAE J463

¹Ni value includes Co
Note: Single values represent maximums.

Machinability

Copper Alloy UNS No.Machinability RatingDensity (lb / in³ at 68 °F)
C67400300.292

Mechanical Properties

Mechanical Properties according to SAE J463

Extruded and Drawn
Size Range: Up 1" Inclusive

Tensile Strength, minYield Strength, at 0.5% Extension Under Load, minElongation, in 2 in. or 50 mm minRockwell "B" HardnessRemarks
ksiMPaksiMPa%min HRB
7854040275884

Size Range: Over 1" to 2" Inclusive

Tensile Strength, minYield Strength, at 0.5% Extension Under Load, minElongation, in 2 in. or 50 mm minRockwell "B" HardnessRemarks
ksiMPaksiMPa%min HRB
75515402751080

Size Range: Over 2" to 3" Inclusive

Tensile Strength, minYield Strength, at 0.5% Extension Under Load, minElongation, in 2 in. or 50 mm minRockwell "B" HardnessRemarks
ksiMPaksiMPa%min HRB
70485362501278

Physical Properties

 US CustomaryMetric
Melting Point - Liquidus1625 °F 885 °C
Melting Point - Solidus1590 °F 866 °C
Density0.292 lb/in³ at 68 °F 8.08 gm/cm³ at 20 °C
Specific Gravity8.088.08
Electrical Conductivity23% IACS at 68 °F 0.13 MegaSiemens/cm at 20 °C
Thermal Conductivity58 Btu/sq ft/ft hr/°F at 68 °F 100.5 W/m at 20 °C
Coefficient of Thermal Expansion 68-57211 · 10-6 per °F (68-572 °F)19 · 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 ksi110317 MPa
Modulus of Rigidity6000 ksi41369 MPa

Fabrication Properties

TechniqueSuitability
SolderingFair
BrazingGood
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingFair
Coated Metal Arc WeldingNot Recommended
Spot WeldGood
Seam WeldGood
Butt WeldGood
Capacity for Being Cold WorkedPoor
Capacity for Being Hot FormedExcellent
Forgeability Rating100
Machinability Rating30

Thermal Properties

TreatmentMinimum *Maximum *
Annealing8001100
Hot Treatment11001250

* Temperature is measured in Fahrenheit

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