C54400 (Phosphor Bronze B-2)

Chemical Composition

(%max., unless shown as range or min.)

Cu Fe Pb P Sn Zn

Min./Max.Rem..103.0-4.0.01-.503.5-4.51.5-4.5Nominal 88.0 - 3.8 .25 4.0 3.0

Note: Cu + Sum of Named Elements, 99.5% min.

Applicable Specifications

Product SpecificationBar ASTM B103, B139

SAE J463, J461Bearings and BushingsMILITARY MIL-B-13501Plate ASTM B103Rod ASTM B139

SAE J463, J461Shapes ASTM B139Sheet ASTM B103

SAE J461, J463Strip AMS 4520

ASTM B103SAE J461, J463

Common Fabrication Processes

Blanking, Drawing, Forming and Bending, Machining, Shearing, Stamping

Fabrication Properties

Joining Technique SuitabilitySoldering ExcellentBrazing GoodOxyacetylene Welding Not RecommendedGas Shielded Arc Welding Not RecommendedCoated Metal Arc Welding Not RecommendedSpot Weld Not RecommendedSeam Weld Not RecommendedButt Weld FairCapacity for Being Cold WorkedGoodMachinability Rating 80

Thermal Properties

Treatment Temp./Time – USTemp./Time – SIStress TemperatureSolution MinimumSolution MaximumSolution TimeSolution Medium NonePrecipitation ValuePrecipitation TimePrecipitation Medium NoneAnnealing Minimum 900 483Annealing Maximum 1250 677Annealing TimeHot Works Minimum

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Hot Works Maximum

Mechanical Properties

(measured at room temperature, 68 F (20 C)

TemperSection

SizeColdWork

Typ/Min

TempTensile

Strength

YieldStrength

(0.5% ext.under load)

YieldStrength

(0.2%offset)

YieldStrength(0.05%offset)

ElRockwellHardness

VickensHard.

BrinellHard.

ShearStrength

FatigueStrength*

IzodImpact

Strength

in. % F ksi ksi ksi ksi % B CF 30T500 5003000ksi ksi ft-lbmm. C MPa MPa MPa MPa MPa MPa J

Flat ProductsH02 0.04 0 TYP 68 58 40 - - 2468- - - - - - - - 0.0

1 20 400 276 - - 2468- - - - - - - - 0.0OS035 0.04 0 TYP 68 44 19 - - 50- - 65- - - - - - 0.0

1 20 303 131 - - 50- - 65- - - - - - 0.0RodH04 0.5 35 TYP 68 75 63 - - 1583- - - - - - - - 0.0

12.7 20 517 434 - - 1583- - - - - - - - 0.0H04 1 25 TYP 68 68 57 - - 2080- - - - - - - - 0.0

25.4 20 469 393 - - 2080- - - - - - - - 0.0

*Fatigue Strength: 100 x 10 6cycles, unless indicated as [N]X 106.

Physical Properties

Property US Customary Metric

Melting Point – Liquidus 1830 F 999 CMelting Point – Solidus 1700 F 927 CDensity 0.320 lb/in3 at 68 F 8.89 gm/cm3 @ 20 CSpecific Gravity 8.890 8.89Electrical Resistivity 54.60 ohms-cmil/ft @ 68 F 9.08 microhm-cm @ 20 CElectrical Conductivity 19 %IACS @ 68 F 0.111 MegaSiemens/cm @ 20 CThermal Conductivity 50 Btu · ft/(hr · ft2·oF)at 68F86.5 W/m · oK at 20 CCoefficient of Thermal Expansion9.60 ·10-6 per oF (68-572 F) 17.3 ·10-6 per oC (20-300 C)Specific Heat Capacity 0.090 Btu/lb/oF at 68 F 377.1 J/kg · oK at 293 KModulas of Elasticity in Tension 15000 ksi 103400 MPaModulus of Rigidity 5600 ksi 38610 MPa

Tempers Most Commonly Used

Flat ProductsSTRIP, ROLLEDH02, OS035

OtherROD H04SHAPESM30

Typical Uses

ElectricalElectrical Connectors

IndustrialBushings, Gears, Pinions, Screw Machine Products, Thrust Washers, Valve Parts, Sleeve Bearings, Thrust Bearings, Bearings, Shafts

Casting Characteristics

No casting characteristics available for this alloy.

MILLARD WIRE & SPECIALTY STRIP COMPANY449 Warwick Industrial Drive

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Warwick, RI 02886TEL: 401-737-9330 • FAX: 401-737-9340© 2005-2011 Millard Wire and Specialty Strip Co., All Rights Reserved. Choose Language:

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