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C89835

Lead-free replacement for C932, C836, C844

Stocked alloy specs

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Reference guide

Stocked size schedules

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✔ Standard-stocked product

Continuous cast • GreenAlloys™

C89835 is a C932, C836, and C844 lead-free replacement alloy and is offered as a Standard-stocked product. Concast produces and maintains an inventory of this alloy numbering over 100 items and in sizes up to 5.0" O.D. C89835 supports the market demand for regulation-compliant lead-free material. MORE»

C89835 spec sheet C89835 size schedule C89835 brochure Weight calculator Standard products

C89835

Product description: Bismuth tin bronze
Solids: 1/2" to 8" O.D.
Tubes: 1 1/8" to 14" O.D.*
Rectangles: Up to 15"
Standard lengths: 105"
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: C89835 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,(4) Vermont Act 193, and is NSF/ANSI/CAN 61-2022 compliant

 *Consult mill for wall thickness

Typical uses

Plumbing: faucets, pump components, pipe fittings, plumbing goods, water pump impellers
Industrial: housings, small gears

Chemical composition

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

1Ni value includes Co.
Note: Cu + sum of named elements, 99.0% min. Single values represent maximums.
85.00-
89.00		  
0.09		 6.00-
7.50		 2.00-
4.00		  
0.20		  
0.10		  
1.00		  
0.005		 1.70-
2.70		  
0.08		  
0.35		  
0.005

Machinability

Copper alloy UNS No. Machinability rating Density (lb/in3 at 68 °F)
C89835 70 0.321

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 % typical BHN  
30 207 14 97 6 65  

Physical properties

Physical properties provided by CDA
  US Customary Metric
Melting point - liquidus 1855 °F 1012 °C
Melting point - solidus 1445 °F 785 °C
Density 0.321 lb/in3 at 68 °F 8.89 gm/cm3 at 20 °C
Specific gravity 8.89 8.89
Electrical conductivity 14.5 % IACS at 68 °F 0.084 MegaSiemens/cm at 20 °C
Thermal conductivity 38.0 Btu/sq ft/ft hr/°F at 68 °F 65.8 W/m at 20 °C
Coefficient of thermal expansion 68-392 10 · 10-6 per °F (68-392 °F) 17.3 · 10-6 per °C (20-200 °C)
Specific heat capacity 0.093 Btu/lb/°F at 68 °F 389.6 J/kg 20 °C
Modulus of elasticity in tension 16900 ksi 116522 MPa

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 70

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