C84200

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SPECIFICATION CROSS-REFERENCE CHART

Cast

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

Builders Hardware: general hardware
Industrial: small pump castings, small gears, fittings for gas lines, low-pressure valves, bushings, fittings for oil lines
Plumbing: tees, plugs, elbows, couplings, pipe fittings, unions

Similar or Equivalent Specification

CDA ASTM ASARCON SAE AMS Federal Military Other
C84200 B505       QQ-C-390, B1;
QQ-B-1005, COMP 3
MIL-B-1153, COMP 3  

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.
C84200 78.00-
82.00
4.00-
6.00
2.00-
3.00
10.00-
16.00
 
0.40
 
0.80
 
0.25
 
1.5
 
0.08
 
0.005
 
0.005

Mechanical Properties (according to ASTM B505-08)

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      
32 221 16 110 13 N/A

Machinability

Alloy Rating Density
C84200 80 0.311

Physical Properties (provided by CDA)

  US Customary Metric
Melting Point - Liquidus 1820° F 993° C
Melting Point - Solidus 1540° F 838° C
Density 0.311 lb/in3 at 68° F 8.61 gm/cm3 at 20° C
Specific Gravity 8.61 8.61
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°-392° F) 17.3 · 10-6 per °C (20°-200° 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 96500 MPa

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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