C84800

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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: stops, washers, general hardware, hardware
Industrial: fittings, low-pressure valves, gas line fittings, air line fittings
Plumbing: cocks, faucets, plumbing fittings, plumbing fixtures

Similar or Equivalent Specification

CDA ASTM ASARCON SAE AMS Federal Military Other
C84800 B505           PLUMBING GOODS BRASS

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.
C84800 75.00-
77.00
2.00-
3.00
5.50-
7.00
13.00-
17.00
 
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 16 N/A

Machinability

Alloy Rating Density
C84800 90 0.310

Physical Properties (provided by CDA)

  US Customary Metric
Melting Point - Liquidus 1750° F 954° C
Melting Point - Solidus 1530° F 832° C
Density 0.31 lb/in3 at 68° F 8.58 gm/cm3 at 20° C
Specific Gravity 8.58 8.58
Electrical Conductivity 16.40% IACS at 68° F 0.095 MegaSiemens/cm at 20° C
Thermal Conductivity 41.60 Btu · ft/(hr · ft2 · °F) at 68° F 72.0 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 15000 ksi 103400 MPa
Magnetic Permeability 1.0 1.0

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