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C89520

EnviroBrass II

Stocked alloy specs

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Reference guide

Stocked size schedules

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Continuous cast • GreenAlloys™

C89520, also termed EnviroBrass II, supports the market demand for regulation-compliant lead-free material.

C89520 spec sheet Standard products

C89520

Product description: Bismuth tin bronze
Solids: 1/2" to 9" O.D.
Tubes: 1 1/8" to 9" O.D.*
Rectangles: Up to 15"
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: C89520 is compliant with key legislation including (1) Federal Safe Drinking Water Act - SDWA, (2) S. 3874 Federal Reduction of Lead in Drinking Water Act, (3) California AB1953, and (4) Vermont Act 193

 *Consult mill for wall thickness

Typical uses

Plumbing: plumbing castings

Similar or equivalent specification

CDA ASTM SAE AMS Federal Military Other
C89520 B584          

Chemical composition

Cu% Pb% Sn% Zn% Fe% Ni%1 Al% Bi%2 S% Sb% Se%
Chemical composition provided by CDA

1Ni value includes Co.    2Bi:Se >= 2:1
Note: Cu + sum of named elements, 99.5% min. Single values represent maximums.
85.00-
87.00		  
0.09		 5.00-
6.00		 4.00-
6.00		  
0.20		  
1.00		  
0.005		 1.60-
2.20		  
0.08		  
0.25		 0.80-
1.10

Machinability

Copper alloy UNS No. Machinability rating Density (lb/in3 at 68 °F)
C89520 85 0.318

Mechanical properties

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  
25 172 18 124 6 54

Physical properties

Physical properties provided by CDA
  US Customary Metric
Melting point - liquidus 1842 °F 1006 °C
Melting point - solidus 353 °F 178 °C

Fabrication properties

Fabrication properties provided by CDA
Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene welding Not recommended
Gas shielded arc welding Not recommended
Coated metal arc welding Not recommended
Machinability rating 85

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