C84400

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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 Semi-Red Brass
Solids: 1/2" to 13" OD
Tubes: 1" to 16" OD
Rectangles: Up to 20"
Standard Lengths: 144"

Typical Uses

Architecture: ornamental fixtures
Builders Hardware: dead bolt locks, cases for dead bolt locks, door hardware for prisons, hardware
Building: cooling equipment, heating equipment
Consumer: musical instruments
Electrical: electrical equipment
Industrial: valve bodies for the water industry, valves for water meters, valves, valve seat, low-pressure fittings, pump fixtures
Marine: marine hardware, boat parts, nuts for transducers
Plumbing: pipe fittings, fixtures

Similar or Equivalent Specification

CDA ASTM ASARCON SAE AMS Federal Military Other
C84400 B505 37     QQ-C-390, B2;
QQ-B-1005, COMP 11
MIL-B11553, COMP 11 VALVE METAL

Chemical Composition

Alloy Cu%1 Sn% Pb% Zn% Fe% Ni%2 Sb% P%3 S% 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.   3For continuous castings, P shall be 1.5%, max.
Note: Cu + Sum of Named Elements, 99.3% min. Single values represent maximums.
C84400 78.00-
82.00
2.30-
3.50
6.00-
8.00
7.00-
10.00
 
0.40
 
1.0
 
0.25
 
1.5
 
0.08
 
0.005
 
0.005

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      
30 207 15 103 103 N/A

Machinability

Alloy Rating Density
C84400 90 0.314

Physical Properties (provided by CDA)

  US Customary Metric
Melting Point - Liquidus 1840° F 1004° C
Melting Point - Solidus 1549° F 843° C
Density 0.314 lb/in3 at 68° F 8.69 gm/cm3 at 20° C
Specific Gravity 8.69 8.69
Electrical Conductivity 16.40% IACS at 68° F 0.095 MegaSiemens/cm at 20° C
Thermal Conductivity 41.80 Btu · ft/(hr · ft2 · °F) at 68° F 72.4 W/m at 20° C
Coefficient of Thermal Expansion 10.0 · 10-6 per °F (68°-572° F) 17.3 · 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 13000 ksi 89600 MPa
Magnetic Permeability 1.0 1.0

Fabrication Properties (provided by CDA)

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

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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