C53400

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SPECIFICATION CROSS-REFERENCE CHART

Wrought

Phosphor bronze is an alloy 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.

Info

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: bushings, bearings, fasteners

Similar or Equivalent Specification

CDA ASTM Asarcon SAE AMS Federal Military Other
C53400 B139
B139M
           

Chemical Composition

Cu% Pb% Sn% Zn% Fe% P%
Chemical Composition according to ASTM B139/B139M-12(2017)

Note: Cu + Sum of Named Elements, 99.5% min. Single values represent maximums.
 
Rem.
0.08-
1.20
3.50-
5.80
 
0.30
 
0.10
0.03-
0.35

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/cu in at 68° F)
C53400 70 0.320

Mechanical Properties

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

C53400

H04 Hard

SIZE RANGE: ¼" TO 1/2" ROUND AND HEXAGONAL
Tensile Strength (min) Yield Strength (at .5% extension under load min) Elongation (in 2 in. or 50 mm min) Brinell Hardness Remarks
Ksi MPa Ksi MPa % typical BHN  
60 415     10 86  
SIZE RANGE: OVER 1/2" TO 1" INCLUSIVE ROUND AND HEXAGONAL
Tensile Strength (min) Yield Strength (at .5% extension under load min) Elongation (in 2 in. or 50 mm min) Brinell Hardness Remarks
Ksi MPa Ksi MPa % typical BHN  
55 380     12 86  
SIZE RANGE: 0VER 1" ROUND AND HEXAGONAL
Tensile Strength (min) Yield Strength (at .5% extension under load min) Elongation (in 2 in. or 50 mm min) Brinell Hardness Remarks
Ksi MPa Ksi MPa % typical BHN  
50 345     15 86  

Physical Properties

Physical Properties provided by CDA

  US Customary Metric
Melting Point - Liquidus 1920° F 1049° C
Melting Point - Solidus 1750° F 954° C
Density 0.320 lb/in3 at 68° F 8.91 gm/cm3 at 20° C
Specific Gravity 8.91 8.91
Electrical Resistivity 69.10 ohms-cmil/ft at 68° F 11.4 microhm-cm at 20° C
Electrical Conductivity 15% IACS at 68° F 0.08 MegaSiemens/cm at 20° C
Thermal Conductivity 400 Btu · ft/(hr · ft2 · °F) at 68° F 69.28 W/m at 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 Capacity 0.09 Btu/lb/°F at 68° F 377.1 J/kg at 293° C
Modulus of Elasticity in Tension 16000 ksi 110310 MPa
Modulus of Rigidity 6000 ksi 41300 MPa

Fabrication Properties

Fabrication Properties provided by CDA
Joining Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Poor
Gas Shielded Arc Welding Fair
Coated Metal Arc Welding Poor
Spot Weld Fair
Seam Weld Fair
Butt Weld Good
Capacity for Being Cold Worked Good
Capacity for Being Hot Formed Poor

Thermal Properties

Thermal Properties provided by CDA
Treatment Temp./Time - US Temp./Time - SI
Stress Temperature    
Solution Minimum    
Solution Maximum    
Solution Time    
Solution Medium    
Precipitation Value    
Precipitation Time    
Precipitation Medium    
Annealing Minimum 900 483
Annealing Maximum 1250 677
Annealing Time    
Hot Works Minimum    
Hot Works Maximum    

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