C52100

Lead-Free Replacement

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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 8% C
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

Architecture: bridge bearing plates
Builders Hardware: thermostat bellows
Consumer: power conductor for electro-surgical pencil, coinage, cymbals
Electrical: electronic connectors, electrical connectors, cold headed parts, electrical flexing contact blades, electrical flexing contact blades, wire brushes, switch parts, fuse clips
Fasteners: cotter pins, fasteners, heavy-duty, lock washers
Industrial: cold headed parts, thrust bearings, truss wire, pneumatic hammers, doctor blades, paper industry, bourdon tubing, well drill equipment, clutch disks, welding wire, diaphragms, beater bar, bellows, springs, helical extension, springs, helical torsion, clips, heavy-duty, gears, pinions, textile machinery, perforated sheets, chemical hardware, springs, heavy-duty, sleeve bushings
Marine: marine parts

Similar or Equivalent Specification

CDA ASTM Asarcon SAE AMS Federal Military Other
C52100 B139
B139M
           

Chemical Composition

Alloy 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.
 
0.05
7.00-
9.00
 
0.20
 
0.10
0.03-
0.35

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/cu in at 68° F)
C52100 20 0.318

Mechanical Properties

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

C52100

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
85 585     12 93
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
75 515     15 93
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
60 415     20 93

Physical Properties

Physical Properties provided by CDA

  US Customary Metric
Melting Point - Liquidus 1880° F 1027° C
Melting Point - Solidus 1620° F 882° C
Density 0.318 lb/in3 at 68° F 8.8 gm/cm3 at 20° C
Specific Gravity 8.80 8.80
Electrical Conductivity 13% IACS at 68° F 0.076 MegaSiemens/cm at 20° C
Thermal Conductivity 360 Btu · ft/(hr · ft2 · °F) at 68° F 62.3 W/m at 20° C
Coefficient of Thermal Expansion 10.1 ·10-6 per °F (68°-572° F) 17.4 ·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 6400 ksi 41370 MPa

Fabrication Properties

Fabrication Properties provided by CDA
Joining Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Fair
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Fair
Spot Weld Good
Seam Weld Fair
Butt Weld Excellent
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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