C87850

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Cast  •  GreenAlloys™

Info

Product Description: Silicon Brass
Solids: Consult mill for sizes
Tubes: Consult mill for sizes
Rectangles: Consult mill for sizes
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
Compliance: C87850 is compliant with key legislation including (1) Federal Safe Drinking Water Act 1974 - SDWA, (2) Federal Reduction of Lead in Drinking Water Act 2011 天天斗牛(3) California AB1953

Typical Uses

Industrial: valve bodies for water
Marine: marine products
Plumbing: faucets, plumbing fittings, water meter cases

Similar or Equivalent Specification

CDA ASTM SAE AMS Federal Military Other
C87850 B505
B505M
         

Chemical Composition

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

*Pb content is greater than 0.02%.  1Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.5% min. Single values represent maximums.
75.00-
78.00
0.02*-
0.09
 
0.30
 
Rem.
 
0.10
0.05-
0.20
 
0.20
 
0.10
 
0.10
2.70-
3.40

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/in3 at 68 ˚F)
C87850 70 0.3

Mechanical Properties

Mechanical Properties according to ASTM B505/B505M-18
Tensile Strength, min Yield Strength (at 0.5% Extension Under Load, min) Elongation, in 2 in. or 50 mm min Brinell Hardness (500 kg load)   Remarks
ksi MPa ksi MPa % minimum BHN  
65 448 25 172 8 103  

Physical Properties

Physical Properties provided by CDA

  US Customary Metric
Melting Point - Liquidus 1616 °F 880 °C
Melting Point - Solidus 1571 °F 855 °C
Density 0.3 lb/in3 at 68 °F 8.3 gm/cm3 at 20 °C
Electrical Conductivity 8% IACS at 68 °F 0.046 MegaSiemens/cm at 20 °C
Thermal Conductivity 21.8 Btu/sq ft/ft hr/°F at 68 °F 37.8 W/m at 20 °C
Coefficient of Thermal Expansion 68-212 10.3 · 10-6 per °F (68-212 °F) 17.8 · 10-6 per °C (20-100 °C)
Coefficient of Thermal Expansion 68-392 10.3 · 10-6 per °F (68-392 °F) 17.8 · 10-6 per °C (20-200 °C)
Coefficient of Thermal Expansion 68-572 10.4 · 10-6 per °F (68-572 °F) 18 · 10-6 per °C (20-300 °C)
Specific Heat Capacity 0.09 Btu/lb/°F at 68 °F 377.1 J/kg at 20 °C
Modulus of Elasticity in Tension 15200 ksi 104801 MPa

Fabrication Properties

Fabrication Properties provided by CDA
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Good
Spot Weld Good
Seam Weld Good
Butt Weld Good
Capacity for Being Cold Worked Poor
Capacity for Being Hot Formed Excellent
Machinability Rating 70

Thermal Properties

Thermal Properties provided by CDA

*Temperature is measured in Fahrenheit.   **For Stress Relief, Solution Treatment 天天斗牛Annealing - Time is measured in hours/inch of thickness. For Precipitation Heat Treatment - Time is measured in hours.
Treatment Min* Max* Value* Time**
Stress Relief     0  
Solution Treatment       0
Annealing 932 1112    

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