C85700

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SPECIFICATION CROSS-REFERENCE CHART

This group of alloys is typically found in plumbing applications. The most widely used alloy in this family is C84400 Leaded red brass is known for reasonable cost with good machining and casting properties. The lead content ensures pressure tightness. Red brass is also used for low-cost bearing materials under low loads.

Info

Product Description:. Leaded Naval Brass
Solids: 1/2" to 13" OD
Tubes: 1 1/8" to 9" OD
Rectangles: Up to 15"
Standard Lengths: 144"

Typical Uses

Builders Hardware: door hardware for prisons, ornamental hardware, window hardware
Consumer: musical instruments
Industrial: mechanical components where aesthetics are important
Marine: ship trim, marine hardware, bushings and bearings
Plumbing: fittings, flanges

Similar or Equivalent Specification

CDA ASTM ASARCON SAE AMS Federal Military Other
C85700 B505       QQ-C-390, A1;
QQ-B-621, CLASS A
MIL-C-15345, ALLOY 3 LEADED YELLOW BRASS

Chemical Composition

Alloy Cu%1 Sn% Pb% Zn% Fe% Ni%2 Al% Si%
Chemical Composition according to ASTM B505/B505M-14
1In determining Cu min., Cu may be calculated as Cu + Ni.   2Ni value includes Co.
Note: Cu + Sum of Named Elements, 98.7% min. Single values represent maximums.
C85700 58.00-
64.00
0.50-
1.50
0.80-
1.50
32.00-
40.00
 
0.70
 
1.00
 
0.80
 
0.05

Mechanical Properties (according to ASTM B505/B505M-14)

Tensile Strength (min) Yield Strength (at .5% extension under load min) Elongation (in 2in. or 50mm min, %) Brinell Hardness (min) Remarks
Ksi MPa Ksi MPa      
40 276 14 97 15 N/A

Machinability

Alloy Rating Density
C85700 80 0.304

Physical Properties (provided by CDA)

  US Customary Metric
Melting Point - Liquidus 1725° F 941° C
Melting Point - Solidus 1675° F 913° C
Density 0.304 lb/in3 at 68° F 8.41 gm/cm3 at 20° C
Specific Gravity 8.41 8.41
Electrical Conductivity 22% IACS at 68° F 0.128 MegaSiemens/cm at 20° C
Thermal Conductivity 48.50 Btu · ft/(hr · ft2 · °F) at 68° F 83.9 W/m at 20° C
Coefficient of Thermal Expansion 12.0 · 10-6 per °F (68°-572° F) 20.7 · 10-6 per °C (20°-300° C)
Specific Heat Capacity 0.090 Btu/lb/°F at 68° F 377.1 J/kg at 293° C
Modulus of Elasticity in Tension 14000 ksi 87000 MPa
Magnetic Permeability 1.0 1.0

Fabrication Properties (provided by CDA)

Joining Technique Suitability
Soldering Good
Brazing Fair
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended

Thermal Properties (provided by CDA)

Treatment Temp./Time - US Temp./Time - SI
Stress Temperature 500 260
Solution Minimum    
Solution Maximum
Solution Time 0.0
Solution Medium None
Precipitation Value    
Precipitation Time    
Precipitation Medium None
Annealing Minimum    
Annealing Maximum    
Annealing Time  
Hot Works Minimum    
Hot Works Maximum    

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