C51000

Lead-Free Replacement

ALLOY SEARCH MODULE

GET STARTED
SEARCH CLEAR

SPECIFICATION CROSS-REFERENCE CHART

✔ STANDARD-STOCKED PRODUCT

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 5% A
Tempers: H04 Hard, H08 Spring
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
Electrical: resistance wire, fuse clips, electromechanical spring components, electrical flexing contact blades, electrical connectors, electronic connectors, wire brushes, switch parts, electronic and precision instrument parts
Fasteners: fasteners, cotter pins, lock washers
Industrial: bourdon tubes, bellows, perforated sheets, chemical hardware, truss wire, springs, sleeve bushings, diaphragms, clutch disks, pressure responsive elements, beater bar, textile machinery, welding rods

Similar or Equivalent Specification

CDA ASTM Asarcon SAE AMS Federal Military Other
C51000 B139
B139M
  J461
J463
4625      

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.
 
0.05
4.20-
5.80
 
0.30
 
0.10
0.03-
0.35

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/cu in at 68° F)
C51000 20 0.320

Mechanical Properties

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

C51000

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
70 485     13 87
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
60 415     15 87
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
55 380     18 87

C51000

H08 Spring Temper

SIZE RANGE: 3/8" TO 1/2" ROUND
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
90 620     9 95

Physical Properties

Physical Properties provided by CDA
*Determined on an alloy containing 5% tin and .2% phosphorus. This value will vary with the composition.
  US Customary Metric
Melting Point - Liquidus 1920° F 1049° C
Melting Point - Solidus 1750° F 954° C
Density 0.32 lb/in3 at 68° F 8.86 gm/cm3 at 20° C
Specific Gravity 8.86 8.86
Electrical Conductivity* 15% IACS at 68° F 0.088 MegaSiemens/cm at 20° C
Thermal Conductivity 40 Btu · ft/(hr · ft2 · °F) at 68° F 69.2 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 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 Excellent
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    

FIND A PRODUCT

SEARCH BY
CDA NUMBER