C83800

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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"
Shape/Form: semi-finished, mill stock or near-net shapes, anode, bar stock, billet/bloom, squares, hex, plate, profile or structural shape, flats/rectangular bar

Typical Uses

Builders Hardware: hardware
Electrical: switches, electrical components
Industrial: bushings, railroad catenary fittings, pump fixtures, air/gas/water fittings, valves
Plumbing: plumbing fixtures

Similar or Equivalent Specification

CDA ASTM Asarcon SAE AMS Federal Military Other
C83800 B505
B505M
B145-4B
46   4855 QQ-C-390, B4;
QQ-B-1005, COMP 17
  Hydraulic Bronze

Chemical Composition

Cu%1 Pb% Sn% Zn% Fe% P%2 Ni%3 Al% S% Sb% Si%
Chemical Composition according to ASTM B505/B505M-18

1In determining Cu min., Cu may be calculated as Cu + Ni.  2For continuous castings, P shall be 1.5%, max. 3Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.3% min. Single values represent maximums.
82.00-
83.80
5.00-
7.00
3.30-
4.20
5.00-
8.00
 
0.30
 
0.03
 
1.00
 
0.005
 
0.08
 
0.25
 
0.005

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/cu in at 68° F)
C83800 90 0.312

Mechanical Properties

Mechanical Properties according to ASTM B505/B505M-18
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  
30 207 15 97 16 60 (500 kg)

Physical Properties

Physical Properties provided by CDA

  US Customary Metric
Melting Point - Liquidus 1840° F 1004° C
Melting Point - Solidus 1550° F 843° C
Density 0.312 lb/in3 at 68° F 8.64 gm/cm3 at 20° C
Specific Gravity 8.64 8.64
Electrical Conductivity 15% IACS at 68° F 0.087 MegaSiemens/cm at 20° C
Thermal Conductivity 41.8 Btu · ft/(hr · ft2 · °F) at 68° F 72.4 W/m at 20° C
Coefficient of Thermal Expansion 10 · 10-6 per °F (68°-392° F) 17.3 · 10-6 per °C (20°-200° C)
Specific Heat Capacity 0.09 Btu/lb/°F at 68° F 377.1 J/kg at 293° C
Modulus of Elasticity in Tension 13300 ksi 91700 MPa
Magnetic Permeability 1 1

Fabrication Properties

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

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    
Precipitation Value    
Precipitation Time    
Precipitation Medium    
Annealing Minimum    
Annealing Maximum    
Annealing Time    
Hot Works Minimum    
Hot Works Maximum    

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