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C89833

Lead-free Replacement for C836

Stocked alloy specs

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Reference guide

Stocked size schedules

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Continuous cast • GreenAlloys™

C89833, a C836 lead-free replacement alloy manufactured by Concast, supports the market demand for regulation-compliant lead-free material.

C89833 spec sheet Standard products

C89833

Product description: Bismuth tin bronze
Solids: 1/2" to 10" 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: C89833 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

Industrial: corrosion-resistant/pressure-tight castings, impellers, pumps

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, 99.3% min. Single values represent maximums.
86.00-
91.00		  
0.09		 4.00-
6.00		 2.00-
6.00		  
0.30		  
0.05		  
1.00		  
0.005		 1.70-
2.70		  
0.08		  
0.25		  
0.005

Machinability

Copper alloy UNS No. Machinability rating Density (lb/in3 at 68 °F)
C89833 81 0.317

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 60

Physical properties

Physical properties provided by CDA
  US Customary Metric
Melting point - liquidus 1877 °F 1025 °C
Melting point - solidus 1454 °F 790 °C
Density 0.317 lb/in3 at 68 °F 8.78 gm/cm3 at 20 °C
Specific gravity 8.78 8.78
Electrical conductivity 17.8% IACS at 68 °F 0.103 MegaSiemens/cm at 20 °C
Thermal conductivity 41 Btu/sq ft/ft hr/°F at 68 °F 71 W/m at 20 °C
Coefficient of thermal expansion 68-392 13 · 10-6 per °F (68-392 °F) 22.5 · 10-6 per °C (20-200 °C)
Specific heat capacity 0.085 Btu/lb/°F at 68 °F 356.1 J/kg at 20 °C
Modulus of elasticity in tension 15500 ksi 106869 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 Poor
Machinability rating 81

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C14500 C23000 C24000 C26000 C31400 C31600 C46400 C51000 C52100 C53400 C54400 C62400 C63000 C63020 C64200 C64210 C65100 C67300 C67400 C67410 C67600 C69300 C69400 C69430 C72900 (AMS 4596) C72900 (AMS 4597)
C72900 (AMS 4598) C83600 C83800 C84200 C84400 C84800 C85700 C86200 C86300 C86400 C86500 C86700 C87850 C89320 C89325 C89520 C89831 C89833 C89835 C89844 C90300 C90500 C90700
C90800 C91000 C91100 C91300 C91600 C91700 C92200 C92300 C92500 C92700 C92800 C92900 C93200 C93400 C93500 C93600 C93700 C93800 C93900 C94000 C94100 C94300 C94700
C94700HT C94800 C95200 C95300 C95300HT C95400 C95400HT C95410 C95410HT C95500 C95500HT C95510 C95520HT C95600 C95800 C95900 C96400 C96900HT C97300 C97600 C97800 C99500 CONCAST380
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